Re: Spectrum Analyser TR4172
1906- prefix in HP-speak is either a multiple diode chip or else a matched set of individual ones.
Most of the HP diodes live on under different part numbers and in different packages on the Avago website . HP broke up into HP computers and Agilent instruments. Agilent then flogged off the old HP associates semiconductor arm and it became Avago
You can also get good mixer diodes by pulling apart old mini circuits mixers.
Some plastics and glues give off acids like HCl as they decompose, that ought to corrode most things.
DAvid
__________________
Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done
|