Found in an Electronic Design of 1964, this circuit is intended to the signal amplification in the 88 to 108 MHz band. The transistor can be a modern equivalent.
Only one LED is turned on when S1 and S2 are pressed. The LED that will be on is just the...
This circuit is based on one of the first germanium transistors. The power comes from a solar cell...
This circuit was found in an American 80's circuit board. The components used are current except the...