2 meter band amplifier (CB8409E)

This circuit is from a 90s 73 Amateur Radio Today. The circuit uses a MOSFET to provide 10 W of output from a 2 W input.

| Clique na imagem para ampliar |

Counter Up to 25 using the 4017 (CB10889E)
This circuit is from a Radio Electronics from May 1994. In it we have the way to connect three 4017...
Memory Recorder (CB6786E)
This Harris circuit from the 90's is intended for recording old EPROM memories. The circuit uses...
Logic Probe (CB8906E)
Found in a 90s Popular Electronics, it serves both TTL and CMOS logic. The injector can provide 10...