High Power Alarm (CB20475E)

We found this circuit in a Popular Electronics from the 90's. The circuit uses three SCRs to trigger the loads.

LMX2594 PLatinum RF Synthesizer - Texas Instruments
The Texas Instruments PLLatinum ™ synthesizer can be obtained from Mouser Elecgtronics to generate...
Anti Theft (CB4869E)
We found this anti-theft circuit in a 90's English publication. The circuit uses common components...
Wien Bridge Generator (CB39010E)
This sophisticated sinusoidal audio signal generator uses a Wien bridge configuration with an...