Re: Spectrum analyser dual mixer
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I had a defective 5082-7285 repaired by Singer.
Rebonding another diode.
It seems there are multiple diodes in that mixer (for 8555A)
You could ask Luis Cupido ct1dmk if he can repair yours.
He can do bonding of the internal chips.
Jos PA0AMX
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Jos Raven PA0AMX