Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Patent
1992-09-28
1995-02-28
Heyman, John S.
Wave transmission lines and networks
Coupling networks
Delay lines including long line elements
333 81R, 333 81A, 327237, 327240, 327308, H03H 720
Patent
active
053941225
ABSTRACT:
A digital-to analogue converter for producing an RF output signal proportional to a digital input word of N bits from an RF reference input, N being an integer greater or equal to 2. The converter comprises a plurality of power splitters, power combiners and a plurality of mixers or RF switches connected in a predetermined configuration.
REFERENCES:
patent: 4266201 (1981-05-01), Belfatto
patent: 4333063 (1982-07-01), Ryu et al.
patent: 4494084 (1985-01-01), Hughes
patent: 4581595 (1986-04-01), Silagi
patent: 4870374 (1989-09-01), Harris
patent: 5019793 (1991-05-01), McNab
Conway Patrick H.
Yu David U. L.
Duly Research Incorporated
Heyman John S.
Keschner Irving
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