This bench circuit generates signals with frequencies determined by the settings and selected capacitors. The circuit was found in a Radio Electronics from January 1959.
This circuit is from the National Semiconductor Audio Handbook. The amplifier operates with 6 V...
This is an amplifier that uses a pickup coil placed next to the telephone set and the listening is done in...
The modified Hartley oscillator seen in the figure can generate signals ranging from 3 MHz to 10...