Balanced Modulator MC1556G (CB14559E)

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

Ramp Generator (CB8929E)
Found in a 1970 EEE, this circuit uses general-purpose transistors of the time. Transistors support...
LMX2594 PLatinum RF Synthesizer - Texas Instruments
The Texas Instruments PLLatinum ™ synthesizer can be obtained from Mouser Elecgtronics to generate...
Electronic Alarm Clock (CB18726E)
The purpose of this circuit is to trigger an oscillator with the light of dawn. The tone of the...