This two-year-80s circuit consists of a solution for a small portable recorder powered by cells, as it was used at the time. The circuit can serve as a reference for the recovery of old equipment.
This frequency band below 15 kHz converter was found in a Popular Electronics from the 90's. The...
The circuit presented is a 10 MHz oscillator with crystal, which already has several splitters for...
We found this circuit in the November 1992 issue of Radio Electronics magazine. The circuit has...