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Temperature Stabilization of Up-converter

Temperature Stabilization of Up-converter

Temperature Stabilization of Up-converter

(OP)
Dear Everybody,

does anyone know how to stablize a 7 GHz up-converter output signal?

The up-conversion works in two steps. 180MHz is first IF and 570 MHz is the second IF. Now we noticed a level imbalance of around +- 1.5 dB on a temperature range of +-30K.

Design is in MMIC.

The goal is +-0.2 dB in the mention temp. range.

Ideas are welcome.



 

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