Does anyone know a source of High Voltage Low Current Op Amps (300-400V,1mA) other than APEX ?
RJR
Does anyone know a source of High Voltage Low Current Op Amps (300-400V,1mA) other than APEX ?
RJR
I posted a simple, but rather slow, HV opamp design here a while back. It uses high-voltage optocouplers as the output devices.
John
I posted my 2500-volt low-noise (0.1ppm) HV amplifier design last year - it took 350uA.
Are you sure? Google groups with "2500 hv amplifier author:hill" returns only this one post (the one I'm replying to).
robert
I can't tell you the words, but it occupied several threads. We made 160 of the amplifiers; they're in use at CERN now.
Ah, then it was that thingy with the stacked MOSFETs that had to do the precise ramps. Yes, I remember.
robert
Good memory, but no, that was my 10kV, 1us precision ramp generator.
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