A long time ago I replaced the duals with AD712s & the quads with LT1058s.
I have a small stash of AD797an which I could implement with adapter boards to replace the duals....but not for the quads.
? Is it worthwhile updating to more current ICs eg: OPA627s/AD797BR or AR....these been available as plug in modules off the net.
Thks....eng hoe
I have a small stash of AD797an which I could implement with adapter boards to replace the duals....but not for the quads.
? Is it worthwhile updating to more current ICs eg: OPA627s/AD797BR or AR....these been available as plug in modules off the net.
Thks....eng hoe
You need jfet input opamps only or the bias current iof bipolar opamp inputs upset how the bandpass filters work.
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