Long maintenance circuit (CB8866E)

A 0 V signal initiates sampling on this circuit suggested by documentation from the 1970s. The integrated circuits used are uncommon today.

| Clique na imagem para ampliar |

Low Noise Amplifier LM381 (CB25271E)
This circuit was obtained from the December 1990 issue of Radio Electronics magazine. The circuit...
Unity Gain Adder LM741 (CB25927E)
This circuit was found in the May 1989 issue of Radio Electronics magazine. The circuit requires a...
Very Low Frequency Generator (CB4925E)
By the components used this circuit of old English documentation can still be easily assembled. The...