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A W-band x 12 multiplier MMIC with excellent spurious suppression

 
: Weber, R.; Lewark, U.J.; Leuther, A.; Kallfass, I.

:

IEEE microwave and wireless components letters 21 (2011), No.4, pp.212-214
ISSN: 1051-8207
ISSN: 1531-1309
English
Journal Article
Fraunhofer IAF ()
mHEMTS; millimeter-wave frequency multiplier; MMIC; W-Band

Abstract
This letter presents a single chip 12 frequency multiplierMMICfor the W-band that is realized in a 100 nm metamorphic HEMT technology. To obtain the 12 multiplication factor a multiplier chain of a doubler, a tripler and a doubler has been cascaded. The circuit has a 3 dB bandwidth of 15 GHz from 85 to 100 GHz. At 94 GHz, the multiplier achieves a saturated output power of more than 1 dBm and a conversion gain of 0 dB. The suppression of unwanted harmonics is better than 30 dBc at 94 GHz and better than 24 dBc within the entire bandwidth.

: http://publica.fraunhofer.de/documents/N-159275.html