Explorer for all ranges (T1098E)

This circuit was found in a Radio Craft from October 1946. Power supply not shown, and tubes are 1.5V filament types.

Silicon diode tester (CB23829E)
We found this test circuit in Radio Electronics magazine from July 1962. The circuit uses...
LT3518 2.3 A Boost Converter (CB12551E)
In the figure we have another application for the LT3518 integrated circuit from Linear Technology...
1 kW SCR Flip Flop Flasher (CB6767E)
This circuit was obtained from a 1966 General Electric manual. The circuit applies only to...