Alternate VCO (CB25756E)

This VCO with the CMS 4046 was found in the August 1994 Electronics Now magazine. The frequency is basically given by C1 and can be changed.

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...