UHF Amplifier (CB8411E)

This circuit is from a 90s Popular Electronics. The integrated circuit is from that time. The placement of components on a board is critical.

741 Audio Amplifier with Single Source (CB25289E)
This circuit of a few tens of milliwatts of power requires a single source. We found it in a Radio...
High Power LED Modulator (CB847E)
This circuit is suggested by Texas Instruments in his Optoelectronics Sourcebook. The transistors...
12V Flasher (CB5201E)
This circuit used in signaling for boats, cars or barriers was found in a 1980s documentation. It still...