Title: Radio frequency transformer

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Claims: What is claimed is:

1. A radio-frequency transformer system, including:

a source of push-pull radio-frequency signals having first and second output terminals at respective ones of which radio-frequency signals of substantially equal amplitude but opposite phase appear;

a transformer primary having first and second hollow tubular portions, said second portion being nested within but electrically insulated from said first portion; and,

a secondary winding including multiple turns of an electrical conductor passing through the inner opening of said second portion of said primary;

said first and second portions of said primary each having a first and a second end, said first end of said first portion being coupled to said first output terminal, said first end of said second portion being coupled to said second output terminal;

said first end of said first portion being juxtaposed to said second end of said second portion and said first end of said second portion being juxtaposed to said second end of said first portion.

2. Apparatus according to claim 1 which includes, in addition, resonating means for resonating said secondary winding at a predetermined radio frequency.

3. Apparatus according to claim 2 in which said resonating means includes a variable condenser.

4. Apparatus according to claim 1 which includes, in addition, a third hollow tube of conductive material interposed between said second portion of said primary and said secondary winding, said third hollow tube being connected to ground potential substantially at its midpoint.

5. Apparatus according to claim 4 which includes, in addition, capacitive means for resonating said secondary winding.

6. Apparatus according to claim 5 which includes, in addition, ferrite beads surrounding said first portion of said primary.

7. Apparatus according to claim 1 in which said first and second portions of said primary have their ends substantially co-terminant.

Other info:

Inventors: Davis, Ross Alan (Honolulu, HI, US)

Application Number: 578642
Filing Date: 1975-05-19
Publication_date: 1976-06-01
Assignee:
Primary Class(es): 333/32 336/84R, 336/174, 336/195, 336/229, 343/712
Other Classes:
US Patent Ref:

1160960	Nov, 1915	Thordarson	336/195.
2376101	May, 1945	Tyzzer	174/36.
3005965	Oct, 1961	Wertanen	336/195.
3197723	Jul, 1965	Dortort	336/195.
3614694	Oct, 1971	Koontz	336/195.
3717808	Feb, 1973	Horna	336/195.
3717876	Feb, 1973	Volkers et al.	343/712.

Other Refs: 308,406

Mar, 1929	UK

Primary Examiner: Gensler, Paul L.
Assistant Examiner:
Attorney: