5 to 300 seconds timer (CB21402E)

This timer can control loads up to 240 W. We found it in a 1967 RCA documentation. The main components admit modern equivalents.

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Wien Bridge Oscillator (CB4922E)
This circuit uses an operational that is not currently common. We found it in an old American...
3 to 20 MHz XTAL Oscillator (CB13870E)
We found this oscillator in a publication for radio amateurs from the 70s. The circuit generates...
Infrared Remote Control Receiver (CB18724E)
This receiver can be used with the CB18723E transmitter or other modulated infrared transmitters in this...