Broadband Balanced Mixer MC1556G (CB14563E)

We found this circuit in Motorola's Linear Databook in 1990. The integrated circuit used is no longer common today.

Universal Motor Control (CB24059E)
This triac circuit was taken from an article in the July 1970 Radio Electronics magazine. Note the...
Gain Relay Excitation Circuit (741) (CB11882E)
Signals ranging from a few millivolts to a few volts can be used to excite a relay with this...
Low Power C to DC Converter (CB20668E)
This circuit was found in American documentation from the 90's. The transformer determines the...