This circuit comes from a 1966 NASA documentation. The circuit makes use of discrete components and is suitable for generate 455 kHz IF signals.
Found in Motorola documentation from the 1980s, this circuit employs an integrated device from...
The output current of this converter from positive to negative -5 V is 1 A. The circuit is from...
This circuit was found in 1980s Electronic Engineering. Transistors can be modern equivalents. The...