Opto control for triac (CB20552E)

Found a documentation for PC from 1992, this circuit is indicated for the English power grid of 240 V.

Converter for TVRO subcarrier (CB9187E)
Found in Radio Electronics from the 90s, this circuit is intended for analog TV applications of the...
Linear Temperature to Frequency Converter (CB12435E)
This circuit from a 1980 publication, converts the temperature sensed by Q1 into a frequency in a...
Codecs and Audio Circuits
June 2017 - A wide variety of Rohm Semiconductor audio and codecs for audio is available from...