AVANTEK YIG PDF

Top Tags acer ahk antenna arduino basics capacitor car electroluminescent f-script fluke ford gti hack hardware iOS lumia mac microwave monitor moon mosfet mount mystery obd-ii oscillator osx phone plague repair satellite script serial software space utility vw windows yig. There is a spurious signal, about MHz above the center frequency. SimonsDialogs — A wild collection of random thoughts, observations and learnings. Notify me of follow-up comments by email.

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Top Tags acer ahk antenna arduino basics capacitor car electroluminescent f-script fluke ford gti hack hardware iOS lumia mac microwave monitor moon mosfet mount mystery obd-ii oscillator osx phone plague repair satellite script serial software space utility vw windows yig. There is a spurious signal, about MHz above the center frequency. SimonsDialogs — A wild collection of random thoughts, observations and learnings.

Notify me of follow-up comments by email. To determine the likely power output, I hooked the oscillator into a dummy load, then measured the current draw on the 15V input — it was almost exactly mA, which means it is probably a 30 mW To get started, first the basics need to be figured out. A19 board, YTO unlock, bad precision trimmer s. Your email address will not be published. The analyzer allowed me to see the frequency move around as I changed the current on the tuning port.

All is sealed and soaked with epoxy resin. So the S is most likely a 3 stage 3 sphere filter. Recordering accurate values is a bit troublesome, would need to phase-lock the microwave source and receiver.

Hope to trace the defect to some specific part. Measurement result of insertion loss vs. Next, I measured the coil resistances. Looking at some spectrum analyzer schematics — the heater needs about 28 V. At abantek upper end of The control will be easy enough, just a programmable current source and some parameters, but first, finding a suitable YIG is quite a challenge — either only single pieces are available surplus, or they are new, and prohibitively expensive.

However, for the current unit under investigation from a GHz frontendtype S, 8. Sorry, your blog cannot share posts by email. The thick wire is the main tuning coil, which accepts 0. And, in fact, it works well and heats up quickly, drawing about 80 mA at 28 V, less with strong coil current applied more during heating-up.

Remembering some earlier work, I had a look at the S — these were made by Avantek, and are available, scavenged from old spectrum analyzers, for about USD each, avante still have one spare around here. Well, with all the basics checked, what to do with such hermetically sealed unit, other than using it to satisfy my curiosity about its internals. With the specs determined, I now have enough information to continue work on my project using this oscillator.

Then, join our amazing community. Power levels seemed to vary between 7 and 13 dBm across a wide range, however the analyzer calibration may be off somewhat. Learn more about dogecoin here. Notify me of new posts by email. See Also.

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Minris Also probed other parts of the circuit, with a thin wire, under the microscope. The thick wire is the main tuning coil, which accepts 0. Notify me of follow-up comments by email. As expected from this helpful documenta fair amount of avantekk current was required before oscillation started.

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Aracage Leave a Reply Cancel reply Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Then, join our amazing community. Well, seems that fixing this is beyond what I can do here with the tools at hand. Notify me of new posts by email.

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Satisfied that the module would behave somewhat as expected, I hooked it up to a spectrum analyzer. This is possibly throught the side opening, which is usually welded shut, but can be drilled up rather easily. Knocking it with a small! Your email address will not be published.

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