High current buffer (CB7280E)

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

Wireless FM Microphone FM (CB4047E)
This 1980s circuit uses components of the era that can be replaced by modern equivalents. For the FET we can...
Microchip Releases Demonstration Platform Based on Industry’s Lowest Power BLE Sensor Node for IoT Applications
Delivering Over 4X More Battery Life and Faster Time to Market, Platform Comes Complete with...
FET electroscope (CB21042E)
This is a traditional version of electroscope with FET. We found it at Popular Electronics. The...