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.

XTAL Oscillator up to 14 MHz (CB25535E)
This oscillator with the 4049 can generate signals up to about 14 MHz according to the article in the...
Simple Medium Wave Radio (CB12812E)
This simple receiver, which requires a good antenna and grounding, was found in an Argentine...
LM3900 Inverter Amplifier (CB4028E)
This setting is valid for other transconductance operational amplifiers. The circuit is from...