High current buffer (CB7280E)

Suggested by Popular Electronics, it is a digital amplifier, for pulses with frequencies up to a few megahertz.

Power grid Transmitter (CB25181E)
This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends...
5 V Power Supply (CB24222E)
We found this TTL power supply circuit in the December 1972 issue of Radio Electronics magazine. The...
High quality tone control (CB20805E)
This circuit was found in an American documentation from the 1980s. The sensitivity ranges from...