This is very basic amplifier circuit,so I use IC digital Cmos 4011 quad NAND gate.
It is to give equal to 10x linear amplifier.
The resistor R1 = 1M ohm , R2 = 10M ohm.
This circuit can not output speaker because it is very low power amplifier.
Digital integrated circuit design
Not gate ic
Led display with nand gate digital control
Standard Touch Switch by Gate of IC 4011
Gate Alarm by IC 4011
Inverter Gate by IC 4011 Quad Nand Gate
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