Subharmonically Pumped Millimeter-Wave Upconverters Based on Heterostructure Barrier Varactors

Subharmonically Pumped Millimeter-Wave Upconverters Based on Heterostructure Barrier Varactors

A heterostructure barrier varactor subharmonic upconverter is investigated for the first time. Odd sidebands are suppressed due to the symmetric capacitance-voltage (C-V) characteristic of the varactor and high output power is possible through epitaxial stacking of barriers. The upconverter is pumpe...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 2006-10, Vol.54 (10), p.3648-3653
Hauptverfasser: Xu, H., Duan, Y., Hesler, J.L., Crowe, T.W., Weikle, R.W.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Barriers
Capacitance-voltage characteristics
Circuit properties
Converters
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
Frequency
heterostructure barrier varactor (HBV)
Heterostructures
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Millimeter wave communication
Millimeter wave measurements
Millimeter wave technology
millimeter-wave modulation
Modulators
Noise levels
Oscillators
Power generation
Schottky diodes
Signal convertors
Stacking
Submillimeter wave technology
Upconverters
Varactors
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Beschreibung
Zusammenfassung:A heterostructure barrier varactor subharmonic upconverter is investigated for the first time. Odd sidebands are suppressed due to the symmetric capacitance-voltage (C-V) characteristic of the varactor and high output power is possible through epitaxial stacking of barriers. The upconverter is pumped using a millimeter-wave local oscillator, and can be used as a transmission-type double-sideband suppressed carrier modulator. The initial measured conversion loss is 8-16 dB at 100 and 200 GHz. The results are significantly improved by using external impedance tuners, which is verified through both simulations and measurements
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2006.882890