Low Current Detector (CB6667E)

This circuit is from a 1967 documentation. It makes use of varicap and diode tunnel in addition to currently uncommon FET. It serves as a reference.

| Clique na imagem para ampliar |

Phase Shift Oscillator (CB24013E)
This 1 kHz oscillator was found in the February 1970 issue of Radio Electronics magazine. It uses...
Switching Regulator 5 V x 1.5 A 723 (CB14526E)
The 723 integrated circuit is manufactured by several semiconductor companies with different...
Preamplifier and Tone Generator (CB20004E)
This is a combined circuit of tone generator and preamplifier. We found it in a 1975...