GB620222A - Improvements in and relating to phase shifting circuits - Google Patents

Improvements in and relating to phase shifting circuits

Info

Publication number
GB620222A
GB620222A GB811/47A GB81147A GB620222A GB 620222 A GB620222 A GB 620222A GB 811/47 A GB811/47 A GB 811/47A GB 81147 A GB81147 A GB 81147A GB 620222 A GB620222 A GB 620222A
Authority
GB
United Kingdom
Prior art keywords
anode
phase
resistance
jan
impedance
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
GB811/47A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB620222A publication Critical patent/GB620222A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/16—Networks for phase shifting
    • H03H11/20—Two-port phase shifters providing an adjustable phase shift

Abstract

620,222. Phase changing. BRITISH THOMSON-HOUSTON CO., Ltd. Jan. 9, 1947, No. 811. Convention date, Jan. 9, 1946. [Class 38 (ii)] In a phase-shifting circuit, a condenser 12 and a variable resistance 11 are connected in series between the anode 13 and cathode 10 of a triode and two substantially equal impedances 14, 9 are connected in series between the anode and cathode, their junction being connected to a point of fixed potential such as earth and to one input and one output terminals 2, 4, the other input and output terminals 1, 3 being connected to the grid 6 and to the junction of the condenser 12 and resistance 11 respectively. A source of D.C. 15 having a low A.C. impedance is connected in the anode circuit, and a grid leak resistor 8 is connected either to earth or to a tapping on impedance 9, Fig. 2 (not shown). Upon varying resistance 11 from zero to its maximum, the output voltage at terminals 3, 4 varies in phase over nearly 180 degrees while remaining substantially constant in value.
GB811/47A 1946-01-09 1947-01-09 Improvements in and relating to phase shifting circuits Expired GB620222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US620222XA 1946-01-09 1946-01-09

Publications (1)

Publication Number Publication Date
GB620222A true GB620222A (en) 1949-03-22

Family

ID=22039708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB811/47A Expired GB620222A (en) 1946-01-09 1947-01-09 Improvements in and relating to phase shifting circuits

Country Status (1)

Country Link
GB (1) GB620222A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762012A (en) * 1952-10-30 1956-09-04 Bendix Aviat Corp Phase rotator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762012A (en) * 1952-10-30 1956-09-04 Bendix Aviat Corp Phase rotator

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