A dual-varactor analog phase shifter operating at 6 to 18 GHz

A dual-varactor analog phase shifter operating at 6 to 18 GHz

An MMIC analog reflection phase shifter which achieves 120 degrees of phase shift from 6 to 18 GHz is described. The phase shifter uses a dual-varactor reflection circuit which allows varactors with a 3:1 capacitance ratio to achieve the performance that normally requires 10:1 diodes. The varactor d...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1988-12, Vol.36 (12), p.1938-1941
Hauptverfasser: Krafcsik, D.M., Imhoff, S.A., Dawson, D.E., Conti, A.L.
Format: Artikel
Sprache:eng
Schlagworte:
Capacitance
Coupling circuits
Diodes
Phase shifters
Radio frequency
Reflection
Resonance
RLC circuits
Tuned circuits
Varactors
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Zusammenfassung:An MMIC analog reflection phase shifter which achieves 120 degrees of phase shift from 6 to 18 GHz is described. The phase shifter uses a dual-varactor reflection circuit which allows varactors with a 3:1 capacitance ratio to achieve the performance that normally requires 10:1 diodes. The varactor diode is a surface-oriented structure with a hyperabrupt doping profile selectively ion implanted to a depth of 0.70 mu m.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.17437