Dear Sir, please answer
What can I use as voltage control gain amplifier? Input signal 20 mV - 1 V RMS. 1800 Hz frequency. I have power supply +5V / -5V
I used SSM2018 eariler. Please, see the circuit below.
[edited by: naumenkov123 at 10:22 AM (GMT -4) on 27 Aug 2020]