This 13.6 V power supply with 8 A output was suggested by Texas Instruments in the documentation of the 90s. Power transistors must be equipped with good heat sinks.
This circuit was found in a QST from the 1990s. The circuit expands the scale of a 10V instrument to...
This 8 ohm output amplifier was found in a 1968 Motorola publication. The circuit uses transistors...
This general-purpose preamp configuration was found in the 1960 Mullard transistor reference...