Solar radio (CB22277E)

This simple 60's receiver is powered by solar cells of the time. The transistor is made of germanium and the headphones must be high impedance.

Remote control tester circuits (CB7821E)
In the figure we have a transmitter and a simple remote-control receiver for tests found in a 90s...
Transimpedance Amplifier (CB17548E)
This circuit makes use of a Texas Instruments LinMOS operating system and requires the use of a...
Control Car Alarm and Electric Locks Through Remote Control Interface (CB18104E)
The circuit we have just described has been mounted in the car of the author of the project for...