Found in a Linear Technology documentation from the 1990s, this circuit has the voltage adjusted by resistors R1 and R2 according to the formula given in the diagram.
Found in 1968 Mullard documentation, this circuit uses period components. The transistors are...
In the figure we have a modified multiplier circuit that can operate with the sextuplicator with...
This circuit converts signals from the 350 to 500 kHz band to the 4.36 to 4.5 MHz band, enabling...