voltage control gain amplifier

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.

DOCX

TIA

Sincerely

Vladimir Naumenkov

www.agat.by



2
[edited by: naumenkov123 at 10:22 AM (GMT -4) on 27 Aug 2020]