Neon Lamp Drive with Silicon Switch (CB14706E)

This circuit is from the 1977 GE semiconductor manual. The components used are uncommon today.

Adjustable Square Wave Generator (CB13638E)
We found this circuit in a publication for radio amateurs in 1974. The bipolar transistors can be...
Crystal oscillator (CB9637E)
Found in a 1980s American documentation, this circuit has a current consumption of only 1 mA. The...
0 to 30 V power supply with 1A (CB21853E)
This adjustable power supply was found in Ferranti's transistor manual from 1974. Power...