Audio Amplifier (CB25708E)

This two-transistor amplifier has good gain but delivers a fraction of a watt of power. The circuit is from a May 1994 Electronics Now magazine.

Voltage Controlled Oscillator (CB4168E)
This VCO with a common operational amplifier was found in an old American documentation. The...
Audio Mixer with LM741 (CB25928E)
This circuit is from a Radio Electronics magazine from May 1989. The power supply must be...
STEVAL MKI139V5 MEMS Microphones
August 2017 - Mouser Electronics is making STMicroelectronics' Analog and Digital MEMs available in a...