3-tube receiver 2 (T1603E)

Using known tubes, this receiver was found in a Radio Electronics from 1949. The circuit does not include the power supply.

Debuncer 4049 (CB24877E)
Another of the many anti-bounce circuits that we have in this section of our website. This one...
Transistor Radio TR 182 (CB18374E)
We found the circuit of this Japanese transistorized commercial receiver in a documentation from...
Pool Alarm (CB15424E)
Here is an interesting project for those who own a pool and are afraid that someone will fall into...