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This circuit was obtained in 1965 General Electric documentation. SCRs can be modern common equivalents. The circuit fires with positive pulses. The load can be up to 7 A.
This booster for listening to signals in the range from medium waves to 30 MHz was found in a 1998...
In the figure we show our first circuit that consists of a simple touch switch capable of driving a...
Using a 7400 we have a short-wave transmitter from 4 to 9 MHz, shown in the figure. The coil...