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DC amp for sig gen?

S

Steve Mason

Jan 1, 1970
0
I need to use the 2V output of my audio arb gen to drive a 100 ohm
coil from a 24VDC 1A supply.

Could the reader please describe their "favorite" DC-20KHz power stage
that would suit this purpose? Something with good fidelity, suitable
for an inductive load.

And, yes, down to nearly DC so I cannot use an standard audio amp.

I was thinking op amp (CA3130?) and emitter follower, but I am a bit
behind the times on part selection.

Maybe there is a more up-to-date approach? Something really reliable
for a wide range of uses.

Can anyone fill me in on current best practice for this? I live in a
country area and need to order all my components in.

Best wishes,

Steve
 
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