Ko4bb test equipment. Manuals, Timing, Ham Radio, Test Equipment.
● Ko4bb test equipment I have created an English translation of the JDY-30/JDY-31 Bluetooth modules with This is very useful if you want to drive a spectrum analyzer, a counter or other low power test equipment from the output of your transmitter. Syba SD-ADA45006 - with housing, 2. Bruce's: Zero Crossing Detectors. A double balanced mixer employing Schottky diodes with an IF response extending to dc is the usual choice for low noise systems. One of the least difficult to receive is a beacon around 2263. The download comes in 2 pieces. It is provided in the hope that it will be useful but without any warranty of any kind. 602 MHz, which has a power of about 250mW driving a circularly polarized antenna. The intensity pot at my 7603 was jumpy, and After hunting around for suitable material to replace corroded, tired or missing leaf springs for the switches in some of my HP test equipment, I happened upon a source I already possessed. A while ago I bought a couple of 4352A VCO Analyzers, mainly out of curiosity and because they were cheap. GPS Receivers Pictures. The oscillator comprises Q1 and Q2. Here is the content of the course: Lesson 1 - Application of Transistors: Amplifiers; Lesson 2 - Circuit Simulation; Lesson 3 - Improving the Amplifier through Feedback Test Equipment -- Last edited September 27, 2014 [ WikiOrg ] [ Legal Notice ] [ Formatting Help ] [ Style Guide ] [ Wiki Home Page ] [ KO4BB Home Page ] test equipment manuals. 2 MB download) which includes a non-functional version of the program's exe and Soldering is considered a bad thing to do and most companies don't even mention the word in their app notes, the problem is that the leads on the diodes are consisting of gold, regular solder has the habit of having a affinity for gold so in other words it will dissolve the gold from your leads, every one who ever tried to repair a hairline crack on a hybrid microwave Pulse Extender. It is desirable to calibrate the combined spectrum analyser plus mixer preamp response to noise. 0M From: “Dan Meeks” To: TekScopes@yahoogroups. You can see the thin film resistors on the right hand side are blown up. The first file is the base install (a ~3. Thanks Noise figure measurement. I had since then time to play around with those and wanted to share my findings amplifier. If the oscillator's stability is worse than that of an average crystal oscillator (free running VCO for instance), you can probably simply measure the frequency with the frequency counter and log it to a file. com website for a long time did not offer https access. The following is a collection of Phase Noise and other measurements made with a Timepod and some auxiliary components. download IMPORTANT NOTE: if you want to send someone a link to this manual, copy the link from your browser's URL window, do not copy the link below. Dynamic Range Compression in Modern Recordings. The absence of a suffix letter and the - xxxxx makes it a part # which means it was an attenuator that was used in a piece of Agilent test equipment so it can only be ordered via parts desk, those attenuators almost always have a ribbon cable assembly that either Spectrum Analysers For frequency offsets in the range [20Hz, 20kHz] a PC sound card can be used as the spectrum analyser. com, also get app notes AN42, AN82, and AN86 - and by the way, most big parts houses have quit carrying these references - but they can be ordered direct from Linear Technology. Rockwell Jupiter 5V, bottom view. R2 is Test Equipment I have started a hobby of collecting vintage test equipment. The circuit is extracted from the pulse extender that is part of the ThunderBolt Monitor kit described on this site. A previous post asking for advice on how to fix this switch got no response, so I assume that most of you have easy and cheap access to spare switches and have never needed to fix a There are many different models of PL-259 connectors, the most common type of connector used on ham equipment up to VHF/UHF. The download comes in 3 pieces, the base install which includes either a non-functional or an older version of the program's exe and all the dlls and controls, the latest version of the executable and a configuration file that contains customizations for various instruments. Feel free to add information KO4BB. When I started talking about Ragnar Sundblad ragge@kth. Test Equipment I have started a hobby of collecting vintage test equipment. For future problem-solvers, here is the story: TDS754C arrived with dim screen and also the screen was too large in both dimensions. Team, I was wondering if anyone knows what the latest firmware / software revisions are for the three digit TDS series. In order to demonstrate how transistors work and see the effects of components values, the common practice used to be to head for the lab with a box full of components, a soldering iron or a prototype board and some test equipment such as a signal generator, one or more power supplies and an oscilloscope. TDS2xx Screen Dump - Release Notes Download. However the 3048A always says the spur is 6 dB lower than it Microphone Mute for TS-440 in Digital Modes. Current Directory: /06 Misc Test Equipment/Wayne Kerr; Click on a File to download or a Directory to open File Type File Size ===> Back One Level === Wayne-Kerr 6425 OP: PDF : 69M Wayne-Kerr 6425 SM: PDF : 71M Wayne-Kerr B905: Directory Wayne Kerr 4210 Automatic LCR Meter EPROM: ZIP : 12K Wayne Kerr 4210 Automatic LCR Meter GPIB Operator Manual Audio Information on Audio Quality Dynamic Range Compression in modern recordings Why 24bit/192kHz music playback makes no sense, external link from xiph. How to put to good use the GPIB connector on Test Equipment. Mixers for Phase Noise Measurement. com and log with login and password both set to "manualuploads". Low Phase Noise Crystal Oscillators Driscoll style crystal oscillator version 1. This applies +5 to the ch 1 select, ch2 select, and /xy select, and a ground to the /chop select. Here is the schematic of the simple interface I use between my Hitachi laptop and my FT-1000 Mk5 Field and FT-817 transceivers. Outside of those numbers there is a gammut of attenuators that have part numbers such as 33321-60049. Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics; Wiki; Info; Help keep this site free: QSO Recorder: Release Notes Download. Bruce's: Testing Zero Crossing Detectors Testing ZCD performance. The filter is built with a 1 5/8" inside diameter pipe cap. cd, an interesting site with manuals and pictures of much Tek and HP equipment. The work around is to use a jumper to the +5 on the interface A15 board (test point) to pin 3, 4, or 5 on the p307 cable to force it to 5 volts, then it will work. test equipment manuals. Make sure to get the necessary permits for your area, if applicable and if you have any doubt, talk to a professional civil engineer even if not required by local regulations. This course covers more specifically electronic circuit design. It is very simple and takes power from the FT-817 itself, so you want to make sure it is unplugged when you Test Equipment; Electronics; Wiki; Info; Help keep this site free: Frequency Multipliers Frequency Doublers NIST JFET Frequency Doubler J1 And J2 are a matched pair of J310's (can also use U310's or a U431 matched pair). This is also to address Jason's post about replacing his 9350CL Now right off the bat, those of you that know me are aware that I design electronics for a living, and I have used, repaired, and worked on (or a combination of all three) just about any piece of electronics test equipment that you can name and that I have no The experiments and the following discussion with Vishay took nearly one year, until now I am able to present a final result. A simple way to test a power supply is to attach a load to it. I sent it to Agilent for repair and they returned it to me with the following: “Display video is scrambled and unstable”. All in all I consider the 4352A a instrument worth having in a well equipped lab especially if your work involves PLL Synthesizers or VCOs. You must format the drive in the 16500B before the Hard Disk Test will pass. Test Equipment; Electronics; Wiki; Info; Help keep this site free: Phase Noise and other Measurements with a Timepod. This site has been operating since the late 1990's. The circuit shown below works over the 0. There must be at least 3" of concrete around the rebar cage to make sure it The experiments and the following discussion with Vishay took nearly one year, until now I am able to present a final result. Novatel Superstar 2, bottom view Since I host a number of free manuals in pdf on my web site, here my take on the subject: 1) we need quality outfits such as Artek Media, Qservice, AA4DF and a few others. Precision adapters should always be bought new since its very hard to judge a used adapter, visual inspection and gauging goes a long way but to fully test a adapter you need a VNA with time domain and that's something only a few have. It summarizes very well what to do to update a batch of QSOs in Logger32. This course is intended as a follow on to an excellent introductory to electricity course at ElectronicsTheory. The 7L18, 492 and 494P are quite respectable instruments, even compared to modern gear, in terms of sensitivity, spurs, stability and relatively fool-proof operation. The LTZ1000 is used in HP3458A multimeters and a lot of voltage calibrators from Datron, Fluke, etc. I thought it may be useful or just interesting for those who own Trimble Thunderbolt Monitor devices to check how their device works. Assumptions: The right side means the side on your right when you're looking at the instrument's CRT, similarly for the left side. Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics; Wiki; Info; Help keep this site free: FT-817 CAT Interface. In all cases the output of a low phase noise 10MHz OCXO was amplified by a low noise pushpull transformer download IMPORTANT NOTE: if you want to send someone a link to this manual, copy the link from your browser's URL window, do not copy the link below. Experiments with the common 2. Selecting the mixer. For frequency offsets below 20Hz a dc coupled analyser is useful. As Hi! Some time ago, I asked about the correct way of cleaning the intensity pot of my 7603. Most of the smaller ones I have (non-latching, SMA connectors) have a 200 ohm coil, and they turn on around 14 I have an 8592B that I am trying to get going. It takes a narrow (typically 10uS) 5V TTL level positive going pulse and generates a wider (nominally 1mS when powered from 9-12V), RS-232 level pulse of the same polarity on the output. Thanks Test Equipment; Electronics; Wiki; Info; Help keep this site free: TDS2xx Screen Dump Utility Go To Download Page Now! This program is designed to download screen shots or waveform capture data from a scope in the Tektronix TDS series via RS-232 or GPIB interface (using a Prologix adapter). Listed under the Radio Equipment/Radio Manuals category that is about Manuals of amateur radio transceivers and equipment. Measuring free running oscillators. Because correction constants are used, basically this process traces back to the Standards Lab's original MU + 90 day drift of the 'golden' 3458A + 15 minute drift of the multi-calibrator + noise, thermals, etc. 1. (The MU Category three are precision adapters, usually adapters with high repeatability and low reflection coefficient, everything you use around a VNA or to calibrate equipment should be in this A while ago I bought a couple of 4352A VCO Analyzers, mainly out of curiosity and because they were cheap. It looks like all vendors have switched to other, newer members of the Notes: GPSDO: GPS Disciplined Oscillator, a precision oscillator that is compared to GPS timing signals and periodically adjusted to compensate for long term drift. The intensity pot at my 7603 was jumpy, and Jan 8, 2013 · OpenGPIB promises to launch drivers for Tek, some HP equipment, mostly geared to extracting data from the devices and putting waveforms into GTKWave, a very nice, free waveform viewer for Linux. If you are not familiar with Wikis, you can play in Hi! Some time ago, I asked about the correct way of cleaning the intensity pot of my 7603. Test Equipment; Electronics; Wiki; Info; Help keep this site free: How to operate 24V relays from 12V. A 2. Basically any alloy that has significant quantities of Chromium, Platinum, Rhodium, or Aluminum will be difficult to solder. Tektronix TDS2xx Screen DumpSoftware Utility; Here you can find a fairly large Test Equipment and Ham Radio Manuals repository, covering (mostly) obsolete test equipment such as HP/Agilent/Keysight, Tektronix, Fluke and many test equipment and ham radio related manuals. 4 GHz Antenna to receive the Selene Japanese spacecraft; Morse Iambic Keyer using a Silabs microcontroller, with source code; Pipe Cap Filters for the microwaves KO4BB's Halloween Trimble Thunderbolt Simulator. Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics; Wiki; Info; Help keep this site free: Ham Radio Clock. (The MU of the STE9000 procedure is too high for the supplied test data to be of much value for those purposes. com now supports https! OK, I finally took the time to fix this. This project was inspired by a recent QST article for a similar interface in an old mouse. I have been messing around with RF+Microwave stuff for over 27years now, I been on both sides of the fence - hobbyist and professional, right now I'm both :) Usually if you go by the book there are three ways to properly mount beam lead devices: I have an 8592B that I am trying to get going. Phase Noise System Calibration Phase Noise Theory: System Calibration Spectrum Analyser Calibration. This is particularly critical Electronics 102 - Fundamentals of Circuit Design. A stereo card even allows cross correlation techniques to be employed to reduce the system noise floor. The editor has convenient buttons for the most common formatting, but the Syntax page has the It makes extensive use of a free SPICE type circuit simulation software, so you do not need access to an electronics lab with expensive test equipment to learn about circuit design. I was just given a Sampling plugin for the 5XX series scopes along with several others, that is also missing the nuvister and some of the transistors as well, and that is another issue I could use some assitance with? Assumptions: The right side means the side on your right when you're looking at the instrument's CRT, similarly for the left side. The silver plated types are so much easier to solder that it KO4BB. Hello Everyone, Mike Monett requested that I post the information I found on his “Tek 2465/2467/B NVRAM battery” problem. 1MHz to 100MHz frequency range and is intended to produce a TTL/CMOS compatible output when the input amplitude is known and well controlled. I had a few free days and decided to tackle the task. That prompted me to re-install Audacity and look at some of my favorite music and see how it compares. Needs 44 to 40 pin adapter (various eBay sellers). Q1 operates in class A and its collector is coupled to the emitter of common base stage Q2 whose collector tank circuit drives the base of Q1. Once it boots, use the touch screen to change from “Configuration” to “Hard Disk”. If they have started to leak, one option is to remove the batterys, and clean the holder in hot water with some dish detergant and an old toothbrush (use gloves). The experiments and the following discussion with Vishay took nearly one year, until now I am able to present a final result. Novatel_Superstar2, top view. Enter Search Term: (will search 36722 files) To exclude a word from the results, prefix with '--' Example: 'rca --bearcat' will return files matching 'rca' but not 'bearcat' KO4BB Wiki Trace: • low (or a combination of all three) just about any piece of electronics test equipment that you can name and that I have no connection to any test equipment manufacturer or representitive and that the opinions that I give are my own and are based on actual experience with the various products. KO4BB's amateur radio pages: free software, building, experimentation, microprocessors, tower, test equipment, timing, GPS, GPSDO [KO4BB Home As eBay has become a significant marketplace for used test equipment, it has become possible for many of us to acquire at very low cost (compared to the price new) test equipment that we could have only dreamed of owning Test Equipment; Electronics; Wiki; Info; Help keep this site free: Linear Phase Comparators. The app has been RCWL-0516 Microwave Doppler module. wav) Since I host a number of free manuals in pdf on my web site, here my take on the subject: 1) we need quality outfits such as Artek Media, Qservice, AA4DF and a few others. An inexpensive narrow band filter design for the microwave frequencies is the pipe cap filter. TS-440 CAT Interface. The ko4bb. If you do not need the kind of precision and accuracy provided by a GPSDO, the next best thing I can recommend is to find an HP 3586 Selective Voltmeter . This project is a simple pulse extender. When one has 2 sources whose frequencies are equal to better than 1Hz an analog linear phase comparator can be used to determine the frequency difference with a phase comparator system noise level of around 2E-11/Tau to 4E-11/Tau, where Tau is the measurement time. 5'. A seminal paper on optimal zero crossing detector design was published by Oliver Collins in 1996 ("The Design of Low Jitter Hard Limiters" IEEE transactions on Communications, Vol 44 No 5, May 1996 pp 601-608)* Collins shows how to account for the effect of clamping diodes on the output noise of a limiter/filter stage. After hunting around for suitable material to replace corroded, tired or missing leaf springs for the switches in some of my HP test equipment, I happened upon a source I already possessed. com Subject: RE: [TekScopes] Re: TDS754C for $1000 on Ebay Fixed! Thanks to Hakan for pointing me in the right direction. Search LTZ1000, LM399, and LH0070 at www. php(544) : eval()'d code on line 6 Notice: Undefined variable: f in /var When you first power on the 16500B with a blank (or PC-formatted) drive, the Hard Disk Test will fail, even if the drive is good. Copper solders nicely, iron solders nicely, nickel pretty well. I confirm the spur level on the spectrum analyzer. ADIFLookup Help and Tips Use ADIFLookup with Logger32. This laptop, like most new computers and also these USB-serial adapters, does not provide much current on the outputs, so it Now the Cable Under Test is a 50 feet long cable of 75 ohm characteristic impedance with no termination at the far end (R2 = ∞, or open) and R1 = 0: Voltage at CH2 with 50 feet of 75 ohm cable, R1 = 0 and R2 = open Pipe Caps Filters for Microwave Rigs. I have been experimenting with these inexpensive modules: I had used a previous version that was made quite a bit smaller by jamming the parts on both sides of a 4 layer PWB: test equipment manuals. When using a mixer as a phase detector it is operated with 90 degree phase difference between the RF and LO signals as this maximises the sensitivity to PM noise and minimises the Basically any alloy that has significant quantities of Chromium, Platinum, Rhodium, or Aluminum will be difficult to solder. Surplus microwave relays are relatively widely available on eBay and other surplus stores but they usually have a 24 or 28V coil. Often it also took other components with it. It will become part of my receiver (). The Prologix adapter provides very significantly faster transfer speed, I am a ham radio operator, and like other hams, I have a number of radios and other equipment that operates from 12V, so I have a number of 12V power supplies around. It has been a good experience. JDY-30/JDY-31 Bluetooth Modules. But if you wish to actually use the supplied test data (that's supplied along with the calibration), then the STE9000 cal is insufficient and you instead want the Standards Lab cal. Electronics 102 - Lesson 2 Back to Electronics 102 Circuit Simulation. To format the drive, boot the System Disk 1 floppy. Thanks Dual Radio CAT Interface. Hadaru HPM103H-6. Here is the schematic of the simple interface I use between my Hitachi laptop and my Kenwood TS-440SAT. These pages relate some of what I have learned in the process. There are not many microwave enthusiasts in North West Florida, or if there are many (more than me alone?), I have not found them. I was born in France and moved to the US in my 30's out of cusiosity mainly. While it started with manuals I had scanned myself, most manuals available today have been submitted by users and visitors The experiments and the following discussion with Vishay took nearly one year, until now I am able to present a final result. I read an article in Rolling Stones Magazine about how much audio compression is going on in modern commercial music recordings. This app is designed to work with the Thunderbolt Monitor kit but will also work through the Lady Heather monitor software. Hi! Some time ago, I asked about the correct way of cleaning the intensity pot of my 7603. I am mostly looking for the 754 / 784 series but since the three digit series is not being built any more, it might be a good idea to collect this info and put in the files area for future reference. Those little EAS or AM antitheft labels you find inside DVDs, consumer electronics, or other high-value items you pick up at Target or Walmart. The LM299 and LM399 were used in HP From: “Dan Meeks” To: TekScopes@yahoogroups. GPS signals have good long term stability (> several hours) but short term stability is affected by propagation conditions, atmospheric conditions, receiving antenna effects, multipath and other short term impairements. Each time zone can be switched between 12h and 24h format. se from [time-nuts] Feb 15, 2019, 5:01 PM Hi all, Since I have seen people asking for something like this before: I made an interface for connecting a more commonly available display to a 53131A, useful if the VFD (display) is worn out. It was wrapping slightly around the edges of the tube. The most common fault with dead backlights on TDS200 was/is not the tube but a shorted cap in the high voltage supply to the tube. 5“ form factor - requires modification to 16500B chassis. My Philosophy About Test Equipment Manuals Since I host a number of free manuals in pdf on my web site, here my take on the subject: 1) we need quality outfits such as Artek Media, Qservice, AA4DF and a few others. Remove hard drive/side fan bracket from 16500B (first, need to remove top and bottom covers, side cover and rear fan). While HP 3586. Since I host a number of free manuals in pdf on my web site, here my take on the subject: 1) we need quality outfits such as Artek Media, Qservice, AA4DF and a few others. I had since then time to play around with those and wanted to share my findings with the group. Enter Search Term: (will search 36722 files) To exclude a word from the results, prefix with '--' Example: 'rca --bearcat' will return files matching 'rca' but not 'bearcat' The Tower Project. In October 2014, more of the test equipment manuals (Heath, Marconi, Tektronix, Triplett, and CT Systems/Wavetek) were transferred to KO4BB's web site to be hosted there. This World Clock displays time in two user selectable time zones. This software was developed to test the ThunderBolt Monitor Kit. I have started a hobby of collecting vintage test equipment. DISCLAIMER: This is a description of how I built my tower. I now have a personal, thorough understanding of Vishays Precision adapters should always be bought new since its very hard to judge a used adapter, visual inspection and gauging goes a long way but to fully test a adapter you need a VNA with time domain and that's something only a few have. It makes extensive use of a free SPICE type circuit simulation software, so you do not need access to an electronics lab with expensive test equipment to Team, I was wondering if anyone knows what the latest firmware / software revisions are for the three digit TDS series. The following was a posting on the Logger32 (hamlogger) group on Yahoo. It did not really affect operation for longtime users but for people new to the site, it caused a warning to show up in Google Chrome when This Wiki is a user-editable set of pages intended to provide information about Ham Radio, Precision Timing, Test Equipment and related topics. Most 2246 variations and the 2247A (and probably the 2245's) use a single 3 volt Lithium battery to power the RAM, but some 2246 1Y's use two Current Directory: /06 Misc Test Equipment/Fetron; Click on a File to download or a Directory to open File Type File Size ===> Back One Level : ===: Fetron Solid State Vacuum Tube Replacement: PDF : 7. Trimble ACE-III, top view. Note: click on the thumbnail pictures for high resolution images. 2. com. Click on "Manuals" then use the search But if you want to track or trend your 3458A by parameter - or to use its calibration test data as correction constants in your processes - then you must have the Standards Lab cal. On the power supply board, check Q2, Q3 and C24 close to the AC input. The LM299 and LM399 were used in HP Transformer Coupled Clock Shaper. I have been messing around with RF+Microwave stuff for over 27years now, I been on both sides of the fence - hobbyist and professional, right now I'm both :) Usually if you go by the book there are three ways to properly mount beam lead devices: Outside of those numbers there is a gammut of attenuators that have part numbers such as 33321-60049. Getting on 10 GHz. Recently there has been some discussion of 2246's and the back up batteries for them were mentioned, so I thought I would chime in with some 224X battery information for the archives just in case it would be of any use to anyone. Toggle navigation. My 8552B had been damaged in transit and the SCAN MODE switch arm lever broken off and missing. The intensity pot at my 7603 was jumpy, and About Me. This Wiki is a user-editable set of pages intended to provide information about Ham Radio, Precision Timing, Test Equipment and related topics. The Japanese Lunar Orbiter SELENE transmits several signals. . KO4BB. STE9000 monitors internal temperatures of both the UUT and 'golden' 3458A - the test aborts if either device deviates more than Use your preferred ftp client or Windows Explorer or Internet Explorer under Windows, go to ftp. The exact replacement lamp is a type 683, available today from all the large supply houses. The intensity pot at my 7603 was jumpy, and After we remove the attenuator from the instrument the first step is to obtain the pinout and build us a little test bench consisting of a power meter and a signal generator, the good old 8481D or 8484A will do nicely, if you don't have a signal generator, use the 50MHz calibrator output of the 435 or 436 or similar model. After we remove the attenuator from the instrument the first step is to obtain the pinout and build us a little test bench consisting of a power meter and a signal generator, the good old 8481D or 8484A will do nicely, if you don't have a signal generator, use the 50MHz calibrator output of the 435 or 436 or similar model. My diatribe on various low cost (<1K$ US) DSO's. How to put to good use the GPIB connector on the back of test equipment; Tektronix 494P spectrum analyzer repair; Signal Generators HP 8656A, HP 8657B and HP 3586A compared test equipment manuals. The battery consist of 3 AA NI-CD cells, that after some years start leaking. The time delay jitter between the 2 ZCD outputs is then measured. linear. Stand up the scope on its rear rubber feet (the rear cover is now loose). Enter Search Term: (will search 36722 files) To exclude a word from the results, prefix with '--' Example: 'rca --bearcat' will return files matching 'rca' but not 'bearcat' The equipment I am looking for has to be useful and relatively convenient (within the limits of what I am willing to spend for convenience). Enter Search Term: (will search 36722 files) To exclude a word from the results, prefix with '--' Example: 'rca --bearcat' will return files matching 'rca' but not 'bearcat' TDS2xx Screen Dump - Release Notes Download. ) KO4BB. Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics; Wiki; Info; Help keep this site free: Electronics Arduino. On eBay, “Qservice” is selling the Dallas non volatile SRAM IC DS1225Y, and they even offer optional programming of the SRAM with standard calibration data. Rockwell Jupiter 5V. The files will also show up in the "Recent Uploads" directory but not in the Upload log. Magellan_ASHTEC, front view. They provide valuable service by having access to paper manuals very few people have and the quality of their scans is generally much better than what I and other amateurs in the business can do, and their prices are also download Notice: Undefined variable: f in /var/www/html/getsimple/admin/inc/theme_functions. Feel free to add information and/or create new pages. 5' x 3. We need quality outfits such as Artek Media, Qservice and a few others. If caugth before the leaking starts, the batterys can be replaced and excanged for 3 regular NI-CD or NI-MH batterys. Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics; Wiki; Info; Help keep this site free: 10GHz Transverters at KO4BB. Test Equipment; Electronics; Wiki; Info; Help keep this site free: ko4bb. I now have a personal, thorough understanding of Vishays A while ago I bought a couple of 4352A VCO Analyzers, mainly out of curiosity and because they were cheap. Trimble ACE-III, bottom view Bruce's: Zero Crossing Detectors. ko4bb. It was working fine when the display became scrambled. Here is a picture of the 20dB step attenuator element that was blown up in this instrument. When evaluating ZCD performance a trapezoidal waveform generator with low output jitter can be used to drive a a pair of ZCD's in parallel. I now have a personal, thorough understanding of Vishays Greetings to the group, I need to know from all who know what Sampling is all about and make the answer simple enough for a 10-14 year old to understand. If you are not familiar with Wikis, you can play in the Sandbox. Novatel Superstar 2, bottom view. 1M Fetron datasheets Teladyne 1973: PDF : 7. Tower Construction Pictures. This page describes a filter I built for 2. 8" TFT LCD for the Arduino. Feb 18, 2019 · KO4BB Wiki Home Page. Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics; Wiki; Info; Help keep this site free: Thunderbolt Monitor Android app. Remove the 4 screws (Torx T20) in the rear rubber feet. Hole for tower base, ready for the rebar cage, The hole is 3. The main considerations are the finish and the insulator. Please note that the resistor values are not ideal (that's what I had on hand) but when driving a proper 50 ohm load, the attenuation is a very flat 40dB all the way through VHF and still only 1dB off at 500 MHz. The HP 3586 is actually a very precise and accurate HF receiver, working from 200 Hz to 32 MHz that was made by Hewlett Packard in the early 1980's. The LM299 and LM399 were used in HP Hi! Some time ago, I asked about the correct way of cleaning the intensity pot of my 7603. org; High quality digital CD ripper (Audio CD to . I have been an engineer since before I knew what it meant, always taking things apart to see what made them tick, not always successful putting them back together, but alwayts learning a lot in the process. I got a few helpful answers and some hints about the archive. Magellan Ashtech rear view. Further details about the measurements and the setup will be given later. My Philosophy About Commercial Scanning Services for Test Equipment Manuals. , -Chuck Harris If you are talking about the rotary encoder used for operator input on the front panel of many HP instruments of this era, the lamp is actually a grain-of-wheat coiled filament lamp rated at 5 volts. But if you want to track or trend your 3458A by parameter - or to use its calibration test data as correction constants in your processes - then you must have the Standards Lab cal. Manuals, Timing, Ham Radio, Test Equipment. Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics; Wiki; Info; Help keep this site free: More Info about KO4BB. Here's a project that is getting started on GPIB on Linux: Search LTZ1000, LM399, and LH0070 at www. Here is the schematic of the simple CAT interface I use with my FT-817. “Problem is caused by A16 processor and is A while ago I bought a couple of 4352A VCO Analyzers, mainly out of curiosity and because they were cheap. The absence of a suffix letter and the - xxxxx makes it a part # which means it was an attenuator that was used in a piece of Agilent test equipment so it can only be ordered via parts desk, those attenuators almost always have a ribbon cable assembly that either The experiments and the following discussion with Vishay took nearly one year, until now I am able to present a final result. To test the 3048A accuracy I inject a spur at a known level using a directional coupler (similar to the single-sided spur calibration method). Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics; Wiki; Info; Help keep this site free: JDY-30/JDY-31 Bluetooth Modules Availability. The TS-440S, like probably a number of other radios, does not mute the microphone while you are using the rear audio connector for digital modes. , -Chuck Harris Precision adapters should always be bought new since its very hard to judge a used adapter, visual inspection and gauging goes a long way but to fully test a adapter you need a VNA with time domain and that's something only a few have. 263 GHz to receive the Japanese Lunar Orbiter SELENE (). Home; Manuals; Timing; Ham Radio; Test Equipment; Electronics Test Equipment; Electronics; Wiki; Info; Help keep this site free: Ham Radio Hardware Projects: The Tower Project: notes on tower design and pictures taken during construction. Put another way, if you just want to depend on your 3458A performing within its published specifications, then the STE9000 cal is probably sufficient. It is easy to assume power supplies work, but they do not always work as well as you think, or even as well as you need. As of December 2023, the JDY-30/JDY-31 seem to be hard to procure in quantities. So, unless you unplug the microphone each time you want to use the digital modes, shack noises will get on your signal while you transmit. I have uploaded brief samples of some of the songs for illustration. aedjuhtzbgzzxcpvkvprmwehiuevlqjdwasxhgkjkbhngpu