GB428772A - Improvements in or relating to frequency discriminating circuit arrangements suitable for use in radio receivers - Google Patents

Improvements in or relating to frequency discriminating circuit arrangements suitable for use in radio receivers

Info

Publication number
GB428772A
GB428772A GB28992/33A GB2899233A GB428772A GB 428772 A GB428772 A GB 428772A GB 28992/33 A GB28992/33 A GB 28992/33A GB 2899233 A GB2899233 A GB 2899233A GB 428772 A GB428772 A GB 428772A
Authority
GB
United Kingdom
Prior art keywords
grid
relating
capacity
circuit arrangements
discriminating circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB28992/33A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB428772A publication Critical patent/GB428772A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H03G5/20—Automatic control in untuned amplifiers having discharge tubes

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

428,772. Tone controlling circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London. (Assignees of Yolles, J. ; 2361, 64th Street, Brooklyn, New York, U.S.A.) Oct. 19, 1933, No. 28992. Convention date, Oct. 19, 1932. [Class 40 (iv)] [See also Group XL] A capacity for use as a tone-control and variable in accordance with an applied voltage comprises a valve T having a condenser connected between plate and grid and an impedance Z in the anode circuit. The effective capacity Ci is a function of the capacity Co between plate and grid, the mutual conductance and the load impedance and can thus be adjusted by varying the grid voltage.
GB28992/33A 1932-10-19 1933-10-19 Improvements in or relating to frequency discriminating circuit arrangements suitable for use in radio receivers Expired GB428772A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US428772XA 1932-10-19 1932-10-19

Publications (1)

Publication Number Publication Date
GB428772A true GB428772A (en) 1935-05-20

Family

ID=21924221

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28992/33A Expired GB428772A (en) 1932-10-19 1933-10-19 Improvements in or relating to frequency discriminating circuit arrangements suitable for use in radio receivers

Country Status (1)

Country Link
GB (1) GB428772A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140235A (en) * 1983-05-19 1984-11-21 Ates Componenti Elettron Circuits for reducing noise in electromagnetic wave receivers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140235A (en) * 1983-05-19 1984-11-21 Ates Componenti Elettron Circuits for reducing noise in electromagnetic wave receivers

Similar Documents

Publication Publication Date Title
GB603437A (en) Improvements in or relating to frequency discriminator circuits
GB428772A (en) Improvements in or relating to frequency discriminating circuit arrangements suitable for use in radio receivers
GB665074A (en) Improvements in and relating to balanced modulators
GB437804A (en) Improvements in or relating to thermionic valves for use in radio signalling systems
GB490819A (en) Improvements in or relating to electrical filter arrangements
GB418525A (en) Improvements in calling devices in connection with wireless signalling or carrier frequency line signalling systems
GB458450A (en) Improvements in or relating to electron discharge device amplifiers
GB416047A (en) Improvements in or relating to radio receivers
GB557083A (en) Improvements in and relating to means for reducing noise in radio receivers
GB413544A (en) Improvements in or relating to thermionic valve circuit arrangements
GB471128A (en) Improvements in or relating to modulated carrier wave transmitters
SU3751A1 (en) Radio receiver with amplifying lamps
GB431599A (en) Improvements in short-wave valve oscillators
GB382881A (en) Improvements in or relating to super-regenerative receivers
GB450136A (en) Improvements in variable thermionic impedances
GB388755A (en) Improvements in or relating to short wave radio and other high frequency receivers
GB423961A (en) Improved single tube modulated oscillator
GB394186A (en) Improvements in or relating to electrical modulation systems
GB553884A (en) Improvements in variable thermionic impedances
GB369112A (en) Improvements in or relating to modulating systems for electric oscillations
GB522477A (en) Fixed plate variable capacity condenser
GB540371A (en) Improvements in modulated carrier wave transmitters
GB402120A (en) Improvements in or relating to radio receivers
GB465613A (en) Improvements in or relating to thermionic valve circuit arrangements
GB526418A (en) Improvements in or relating to modulator arrangements