2001
DOI: 10.1109/22.899956
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Power-amplifier modules covering 70-113 GHz using MMICs

Abstract: A set of-band power amplifier (PA) modules using monolithic microwave integrated circuits (MMICs) have been developed for the local oscillators of the far-infrared and sub-millimeter telescope (FIRST). The MMIC PA chips include three driver and three PAs, designed using microstrip lines, and another two smaller driver amplifiers using coplanar waveguides, covering the entire-band. The highest frequency PA, which covers 100-113 GHz, has a peak power of greater than 250 mW (25 dBm) at 105 GHz, which is the best … Show more

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Cited by 59 publications
(4 citation statements)
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“…This amplification is achieved with custom designed balanced power amplifiers (PAs). Every PA consist of three WR-11 gain modules, each of which houses a medium power monolithic microwave integrated circuit (MMIC) [32] originally developed for HIFI [33], the high resolution instrument on Herschel [34].…”
Section: B 63-105 Ghz Waveguide Power Amplifiersmentioning
confidence: 99%
See 1 more Smart Citation
“…This amplification is achieved with custom designed balanced power amplifiers (PAs). Every PA consist of three WR-11 gain modules, each of which houses a medium power monolithic microwave integrated circuit (MMIC) [32] originally developed for HIFI [33], the high resolution instrument on Herschel [34].…”
Section: B 63-105 Ghz Waveguide Power Amplifiersmentioning
confidence: 99%
“…For the HIFI gain modules, WR-10 and WR-8 waveguide were employed with TE mode frequency limits of approximately 70 and 88 GHz. Inspection of on-wafer S-parameter measurements reveals [32] that the CPW-MMIC driver chips are capable of an extended frequency range, albeit with slightly reduced performance. To accommodate the CSO Fig.…”
Section: B 63-105 Ghz Waveguide Power Amplifiersmentioning
confidence: 99%
“…Constrained by the output power capability of monolithic microwave circuit (MMIC) [1][2][3][4][5][6][7][8][9][10][11][12][13], several methods of power combiner technique, such as magic T, radial-line etc., have been developed for SSPA operating in the W-band [14][15][16][17][18][19][20]. Galliumnitride high-electron-mobility-transistor (GaN HEMT) MMICs used as the PA's last stage of is mainly addressed in the recent literatures [21][22][23].…”
Section: Introductionmentioning
confidence: 99%
“…Development of the pseudomorphic high electron mobility transistor (pHEMT) has revolutionized monolithic microwave integrated circuits (MMICs) which can operate at very high frequencies even beyond 100 GHz [1][2][3]. Many applications such as transmitters, receivers, etc require power amplifiers and SPDT switches [4].…”
Section: Introductionmentioning
confidence: 99%