This inverter circuit with transistors provides a voltage of 300 V from a 12 V supply. The current, with the original transistors, is only 55 mA. Transistors must be mounted on heatsinks.
This 0.5W amplifier was found in a publication of the 1980s. The output transistors can be the...
This 90's Electronic Design circuit converts the period of a signal into a frequency. The...
Suggested by Linear Technology in documentation from the 90s, this monolithic 5-pole circuit has...