This 1967 Motorola circuit is intended for operation with signals up to 250 MHz delivering a 50 MHz signal at the output. The transistor is the MM1941, uncommon today.
Found in a Westinghouse Silicon Power Handbook from the 60s, this circuit makes use of period...
We found this circuit in a 1964 Electronic Design. The components are from that time, but the...
This 2.5 A power supply was found in a 90's QST magazine. The power transistor must be mounted on a...