Operational Full Wave Rectifier (CB19496E)

This precision full-wave rectifier used in instrumentation was found in a technical documentation from the 1980s. Diodes are general-purpose types.

| Clique na imagem para ampliar |

Voltage Stabilizer 741 (CB15402E)
This circuit can supply voltages from 0 to 12 V with currents up to about 5 A, with the adjustment made...
Piezoelectric alarm (CB8970E)
This circuit is from the 80s. The integrated circuit used is uncommon as is the transducer....
Transformerless Power Supply (NI003E)
This power supply is indicated to power small loads up to 30 mA. The original output voltage is 6...