Christmas Lamps (T442E)

This circuit was found in a Popular Electronics from September 1957. It is a blinker alternating with neon lights. Capacitors are high voltage.

Bass-Booster Preamplifier with 741 (CB926E)
This circuit in its original version was found in an 1975 English publication. It is a...
Shift register (CB5302E)
This circuit with PUT was found in a 1980s documentation. The component used is uncommon and the...
LMX2594 PLatinum RF Synthesizer - Texas Instruments
The Texas Instruments PLLatinum ™ synthesizer can be obtained from Mouser Elecgtronics to generate...