Delay circuit 555 (CB20892E)

This circuit provides a delay that depends on the components on the RC network. The formula for calculating the delay is given next to the diagram.

Full-wave field strength meter (CB4115E)
This circuit has more sensitivity than the previous one (CB4114E) for using a full-wave detector...
20 W per Channel Amplifier TPA3100D2 (CB15556E)
The Texas Instruments TPA3100D2 integrated circuit (www.ti.com) consists of an efficient class D...
Optical isolator (CB8272E)
This sensor circuit from a 1967 Ferranti documentation uses components from the era. The circuit...