100 Hz Second Order High Pass Filter (CB25815E)

This filter with the 741 op amp was found in the February 1995 Electronics Now magazine. The power supply must be dual.

Automatic headlight shutdown (CB7260E)
This circuit for automotive use was found in American documentation from the 90s. The circuit uses...
10 W 12 x 115 VA inverter 10W (CB7297E)
This circuit was found in Delco documentation from 1966. The components are from that time....
Gated CMOS 555 (CIR087E)
The CMOS TLC555 can be gated from external CMOS circuits using the configuration shown here. The...