Tuner with MOSFET (CB6914E)

This circuit serves as a reference for the components used and the time. The circuit is from 1967 RCA documentation. MOSFETs from that time are used.

| Clique na imagem para ampliar |

Hand Dryer (CB18786E)
With this circuit it is possible to use a common hair dryer as a hand dryer. The circuit is timed...
Safe Test (CB23569E)
This fuse test circuit was found in Radio Electronics magazine from August 1958. The circuit was...
Voltage-controlled multivibrator (CB19826E)
This variable has its frequency controlled by voltages V1 and V2. The circuit is based on...