Control bistable (CB21261E)

This simple control circuit was found in American documentation from the 1990s.

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Switched regulator (CB9153E)
This 1.2 to 32 V x 3 A regulator was found in an 80's EDN. The power components must be equipped...
Three Waveform CMOS (CB13743E)
This circuit was found in an English technical documentation from 1976. The supply can be done...
Microphone Preamplifier II (CB935E)
This excellent 3-transistor audio preamplifier is suitable for use with high-impedance...