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Title: On-wafer vector network analyzer measurements in the 220-325 Ghz frequency band.
Authors: Fung, King Man Andy
Dawson, D.
Samoska, L.
Lee, K.
Oleson, C.
Boll, G.
Keywords: MMIC amplifier
vector network analyzer (VNA)
coplanar transmission lines
coplanar waveguides
Issue Date: 11-Jun-2006
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2006.
Citation: IEEE MTT-S International Microwave Symposium, San Francisco, California, June 11-16, 2006.
Abstract: We report on a full two-port on-wafer vector network analyzer test set for the 220-325 GHz (WR3) frequency band. The test set utilizes Oleson Microwave Labs frequency extenders with the Agilent 8510C network analyzer. Two port on-wafer measurements are made with GGB Industries coplanar waveguide (CPW) probes. With this test set we have measured the WR3 band S-parameters of amplifiers on-wafer, and the characteristics of the CPW wafer probes. Results for a three stage InP HEMT amplifier show 10 dB gain at 235 GHz [1], and that of a single stage amplifier, 2.9 dB gain at 231 GHz. The approximate upper limit of loss per CPW probe range from 3.0 to 4.8 dB across the WR3 frequency band.
Appears in Collections:JPL TRS 1992+

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