AVANTEK YIG PDF

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 Your email address will not be published.

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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 Your email address will not be published. To look inside, carefully removed the top weld seam on a lathe, and the you can pry the case open.

These do require a good amount of power, magnetic coils, etc, but provide stable and rather low noise output, and good modulation capability. Current consumption on the 15 V rail is normal. A range of 6 dB matches the units on the spec sheet, but a 7 dBm minimum power is below that of any of the comparable modules. There are also tons of Avantek modules, in their standard round format, but a lot of them are custom part numbers with no specifications known.

Notify me of follow-up comments by email. Power levels seemed to vary between 7 and 13 dBm across a wide range, however the analyzer calibration may be off somewhat. It matches the first pinout in this old spec sheet. 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.

Hope to trace the defect to some specific part. The coil — rather, the coils. With mA flowing, a signal finally popped up at around 7. 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.

Avantek S YIG oscillator: not oscillating at all At the upper end of With the specs determined, I now have enough information to continue work on my project using this oscillator.

Core element is a small YIG sphere, placed in a magnetic field. Leave a Reply Cancel reply Your email address will not be published. Before verifying the suspected power level, I used an inline attenuator to avoid any chance of damaging the machine.

Also probed other parts of the circuit, with a thin wire, under the microscope. The lower edge of the specified range 7. Learn more about aantek here. However, for the current unit under investigation from a GHz frontendtype S, 8. For a project I am currently working on, which I will detail here too eventually, I needed an oscillator capable of covering 8 to 12 GHz.

Varying the coil current — no effect. Save my name, email, and website in this browser for the next time I comment. Then, join our amazing community.

Voltage at the resistors is about 4. Related Posts

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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.

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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. Power levels seemed to vary between 7 and 13 dBm across a wide range, however the analyzer calibration may be off somewhat. Notify me of new posts by email.

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AVANTEK YIG PDF

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. Well, with all the basics checked, what to do with such hermetically aavntek unit, other than using it to satisfy my curiosity about its internals.

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