Delayed switch (CB21259E)

Found in documentation from the 1990s, this circuit drives an SCR with a delay that depends on C1 and can be set to R1. The load depends on the SCR.

| Clique na imagem para ampliar |

Sample and Hold LM3900 (CB14218E)
The circuit shown is suggested by National Semiconductor's Linear Applications Handbook. The base...
Telephone amplifier (CB8630E)
This circuit uses a pickup coil to take the signal from a telephone line without contacts. The circuit...
Opto and Strobe Interface (CB16037E)
In this circuit, the transistors are NPN for general use and the phototransistors can be replaced by...