Continuity tester (CB9325E)

Found in an Electronic Design from the 90s, this sophisticated continuity tester uses operational amplifiers from that time.

| Clique na imagem para ampliar |

1 to 100 mA Shunt Regulator (CB15573E)
The shunt type regulators are connected in parallel with the load, deflecting the current to...
Precision Power Supply (CB21573E)
Using the LM317 (or LM350), this circuit is based on precision regulatory components such as those...
Solar Frequency Standard (CB21951E)
This solar cell powered circuit generates a standard 100 kHz signal. The circuit is from a 1960...