Mono preamp based on CMOS IC type CD4069. Note: The microphone must be magnetic low impedance (50 ohms and 600 ohms). If your microphone electret type with two legs or three legs, you need to add resistance to power, as shown on page eletret microphone supply.
Description for Mono preamp based on CMOS IC
|1||Title:||Mono preamp based on CMOS IC|
|2||Upload by:||Amplifier Circuit|
|3||Upload date:||November 18, 2011|