With a 475 V supply, this amplifier published in Radio Electronics magazine in January 1958 offered good power. The amplifier used 4 tubes.
This circuit synthesizes a sinusoidal signal from logic pulses that can be obtained from an...
This oscillator can be found in other articles on the site. This is from a 4 MHz documentation, remembering...
This circuit has its battery charged by a solar system. The circuit uses components that admit...