AC Switch with Triac (CB25855E)

The load controlled by this circuit depends on the triac used. The circuit is from Electronics Now magazine from June 1995.

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...