4060 XTAL Oscillator (CB22401E)

We found this oscillator in an old documentation. The crystal frequency can be different to get other output frequencies.

555 Linear Ramp Generator (CB6357E)
This circuit appears elsewhere in this section and on this site. The circuit generates a linear...
Receiver monitor (CB8632E)
This circuit was found in a 90s Hands-On Electronics. When a signal appears at the headphone...
Light Activated OR Gate 2 (CB5320E)
This circuit, which may have more inputs, consists of an optical OR gate using common...