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Expired
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GB2871/28A
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Individual
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Individual
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Publication of GB284585ApublicationCriticalpatent/GB284585A/en
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/06—Receivers
H04B1/16—Circuits
H04B1/26—Circuits for superheterodyne receivers
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Transducers For Ultrasonic Waves
(AREA)
Abstract
284,585. Ardenne, M. von. June 28, 1927, [Convention date]. Thermionic heterodyne receivers, amplifiers, and detectors.-In a resistance-coupled amplifier for the reception of long waves, an oscillatory circuit k, l coupled to a high-frequency or intermediate frequency amplifier I is connected directly to the grid of the first valve F of a lowfrequency amplifier II and in parallel with the plate resistance m<1> of the valve a condenser p is connected, which is large enough to short-circuit high-frequency oscillations, but small enough to prevent considerable loss of the higher audiofrequencies.
GB2871/28A1927-01-281928-01-30Improvements in thermionic valve circuits for wireless reception
ExpiredGB284585A
(en)