Product detector (CB9684E)

Found in Motorola documentation from the 1980s, this circuit employs an integrated device from that time, which is unusual today.

| Clique na imagem para ampliar |

20 V adjustable power supply (CB8167E)
Found in a 90s Silicon Chip documentation, this circuit provides a current of 3 A and the voltages...
15W Amplifier (CB18434E)
We found this circuit in a Japanese publication in 1967. The circuit consists of a 15 W audio...
Resistance Bridge (CB3911E)
This is a bridge for the measurement of low value resistances and high values too. The circuit...