This is an amplifier from the 70s. The integrated circuit used is uncommon today and the power supplied is not the greatest. The circuit is from Motorola.
This circuit was found in a 1963 publication. Its purpose is to convert sinusoidal signals from...
This signaler, depending on the transistor, can have a range of a few hundred meters. The 600 Hz...
This circuit triples the frequency of a low-intensity signal and is suitable for VHF and UHF...