Memory Recorder (CB6786E)

This Harris circuit from the 90's is intended for recording old EPROM memories. The circuit uses components of the time.

4047 Astable (CB23737E)
In the circuit in the figure, we have the production of rectangular signals with frequencies of up...
20 V x 100 mA regulator using FET (CB8671E)
Found in an EEE this circuit uses FETs of the time and a bipolar one. Current equivalent...
Balanced modulator (CB7927E)
We found this circuit in a 1968 Hughes publication. The components are from the era and can be...