GB823421A - High frequency transformer - Google Patents

High frequency transformer

Info

Publication number
GB823421A
GB823421A GB3258856A GB3258856A GB823421A GB 823421 A GB823421 A GB 823421A GB 3258856 A GB3258856 A GB 3258856A GB 3258856 A GB3258856 A GB 3258856A GB 823421 A GB823421 A GB 823421A
Authority
GB
United Kingdom
Prior art keywords
winding
frequency transformer
earthed
high frequency
screen
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
GB3258856A
Inventor
William Frank Glover
Vladimir Kaplanski
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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
Priority to BE561903D priority Critical patent/BE561903A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3258856A priority patent/GB823421A/en
Publication of GB823421A publication Critical patent/GB823421A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

823,421. Transformers. STANDARD TELEPHONES & CABLES Ltd. Oct. 25, 1956, No. 32588/56. Class 38 (2). A high-frequency transformer comprises a ferrite core 5, a spirally wound inner winding 6 of conductive tape and a helically wound outer winding 8 of wire, the winding 6 being fed through terminals 34 and being provided with a half-turn extension 3-7 which forms an electrostatic screen, the terminal 3 being earthed. Points 7 and 9 have equal but opposite potentials with respect to earth so that the capacity couplings between the portion 3-7 of the winding 6 and the winding 8 and the portion 3-9 and the winding 8 cancel each other out and the transformer therefore behaves as though an earthed screen were interposed between the windings. Specification 658,348 is referred to.
GB3258856A 1956-10-25 1956-10-25 High frequency transformer Expired GB823421A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE561903D BE561903A (en) 1956-10-25
GB3258856A GB823421A (en) 1956-10-25 1956-10-25 High frequency transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3258856A GB823421A (en) 1956-10-25 1956-10-25 High frequency transformer

Publications (1)

Publication Number Publication Date
GB823421A true GB823421A (en) 1959-11-11

Family

ID=10340970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3258856A Expired GB823421A (en) 1956-10-25 1956-10-25 High frequency transformer

Country Status (2)

Country Link
BE (1) BE561903A (en)
GB (1) GB823421A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2463935A (en) * 2008-10-01 2010-04-07 3Di Power Ltd An inductive assembly with a ribbon winding and an electrostatic screen and methods of its manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2463935A (en) * 2008-10-01 2010-04-07 3Di Power Ltd An inductive assembly with a ribbon winding and an electrostatic screen and methods of its manufacture
GB2463935B (en) * 2008-10-01 2013-06-19 3Di Power Ltd Inductor for high frequency applications
US8665048B2 (en) 2008-10-01 2014-03-04 3Di Power Limited Inductor for high frequency applications

Also Published As

Publication number Publication date
BE561903A (en)

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