Found in a 70s RCA manual, this circuit uses a transistor of the time for an UHF L band oscillator. Details of the resonant circuit, which is critical, were not given.
The voltage regulator circuit described is highly accurate and uses discrete components...
WWV is the standard frequency station of the United States government. This station broadcasts a...
Based on a 555, this 80's American documentation circuit detects the voltage of a battery and can then...