Interval for wiper (CB22113E)

This windshield wiper interval was found in an old documentation. The SCR can be the C106 and the transistor a BC548.

Optical Audio Link Receiver (CB13886E)
27 MHz Transmitter (CB14008E) This circuit was found in a Japanese publication from the 1970s. The...
Modulation Monitor (CB20764E)
This circuit reproduces in a small loudspeaker the sound of the signal that modulates a...
Integrated Astible uA710 (CB19421E)
The integrated circuit used in this multivibrator is no longer common today. With the components...