This circuit from a 90s Popular Electronics, decodes the old analog TV signal. It works with a pilot frequency of 15 734 kHz from the scanning system.
This circuit was found in an old manual and can be applied to any operational amplifier. The power...
This circuit uses a JFET at the input to increase the impedance. The circuit has a gain voltage...
An excellent low frequency sine signal is produced by this oscillator. The frequency is determined by the...