This variable frequency oscillator for radio transmission covers the range from 1.6 MHz to 20 MHz, depending only on the coil used. The circuit is very stable and can be used in amateur equipment.
Found in 1965 General Electric documentation this circuit applies to a LASCR used as an optical...
This circuit, which can be used as a shield, was found in Radio Electronics from the 90s. The...
This preamplifier is intended for the use with magnetic pick-ups. Power supply must have voltages...