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HP 8592A No signal only for high frequency

Question asked by imett on Oct 17, 2009
Latest reply on Oct 25, 2009 by imett
Hi to everyone,
i've a problem with my hold hp8592a, i can see the signal , i mean the comb generator, only in the lowest band  up to 2.9GHz, in the other bands i can see only the noise floor ( with its stepped shape throw each band), i think it is a mixer tha doesn't work up some frequency.I've olso thinked it is a preselector oscillator (YIG, i'm correct?).
Please any help will be much appreciated, by now it is enouh only know the connection flow for the rf device, GTO,attenuator,  mixers ..

Thanks again  

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