This 1.5W tube amplifier was found in an American documentation from 1947. It is a direct rectification circuit without the need for a power transformer.
Frequency in this oscillator is given by C1 and C2. The circuit produces square pulses that can...
This circuit for 1 kHz sinusoidal signals uses a common operational amplifier circuit and is...
This digital buffer was found in the November 1993 issue of Electronics Now. The power supply...