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A regenerative receiver, by contrast, could often provide adequate reception with the use of only one tube. In the 1930s the regenerative receiver was replaced by the superheterodyne circuit in commercial receivers due to the superheterodyne's superior performance and the falling cost of tubes.
Classical regenerative receiver using a single triode vacuum tube. The orientation of the "tickler" coil was carefully adjusted by the operator in order to vary the amount of positive feedback. The regenerative receiver also had its heyday at the time where adding an active element (vacuum tube) was considered costly. In order to increase the ...
anything relating to internal circuitry of radio equipment; characteristics of electronic circuits used in audio processing, impedance matching, transmitters, oscillators, or receivers used in radio frequency transmission and; principles, math, or theories used to engineer receiver- and transmitter-related devices and circuits.
In Fig. 8, L, C, B1 and B2 are as in Fig. 3. L2 and L3 have inductive coupling and implement the regenerative connection from grid to anode. C1 is the gridleak capacitor. C2 is a radio frequency bypass capacitor parallel to the speaker. Regenerative control is by changing the heater current via the rheostat next to B1.
English: Block diagram of a regenerative radio receiver, a type of radio receiver widely used before World War 2. It consists of a tuned circuit that serves as a bandpass filter to select the desired radio signal out of all the signals picked up by the antenna, and a combined amplifier-detector to increase the power of the signal and extract the audio modulation (sound) signal from from the ...
TR-1, circuit board and casing. Exhibit of Deutsches Museum, Munich 22.5 Volt battery used in the Regency TR-1 (AA battery for comparison shown on left) The TR-1 is a superheterodyne receiver [2] [11] with four n-p-n germanium transistors and one diode. It contains a single transistor converter stage, followed by two intermediate-frequency ...
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