0 to 30 V 1 A protected power supply (CB25233E)

This power supply was found in the September 1989 issue of Radio Electronics magazine. The 2N3055 must be equipped with a heat sink.

| Clique na imagem para ampliar |

14-Stage Divide-by 16,384 Counter with Oscillator - 4060 (CB184E)
This counter performs the same function as the 4020, but includes an internal oscillator. The...
Inverted Sequential 4017 (CB12491E)
This is the traditional sequence of 10 reverse LED sequences, that is, the LED goes out in...
40-meter transmitter (CB9380E)
This transmitter for the 40 meter or 7 MHz band was found in a magazine 73 for radio amateurs of...