Radiostandart 1926
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Regenerative radio "RadioStandard" was produced since 1926 by the trust of low current plants. It is a four-lamp regenerative receiver with a simple circuit. The feedback coil acts on the grid circuit of the first lamp (HF amplifier). The radio receiver is designed to receive radio stations operating in the wavelength range from 300 to 2000 meters (1000 ... 150 kHz). For lovers of short waves in the receiver is provided for switching to receive waves from 300 meters and below to 50 meters. In order to avoid the capacitive influence of the hands and body of the listener on the receiver's tuning to it, removable extension handles made of getinaks for the handles of the variable capacitor and the coupling coil are attached to it. The receiver is superior in its sensitivity and selectivity to the well-known "Radiolina". Quality improvement is achieved by introducing a tuning choke in the anode of the UHF lamp. The receiver is mounted in a wooden box with a lid, has a small weight (8 kg), allowing it to be used in radio shifters to serve the population of the countryside. The receiver is powered by DC voltages of 4 and 80 volts.
Documentation:
Information from collection of Valery Khartchenko