Modulated Oscillator (CB26007E)

We found this circuit that can reach 50 MHz in the February 1997 Electronics Now magazine. The integrated circuits used are not very common today.

| Clique na imagem para ampliar |

Transistor and Diode Test (CB16879E)
This simple circuit allows testing of general-purpose diodes and rectifiers and also general...
Battery Indicator (CB24309E)
This circuit not only indicates when the battery is on but also when it is low. The circuit is...
Additional power supply regulator (CB20288E)
This circuit shows how to add a 1st regulator to a source that already has a step for this...