Title :
Design of modulator module using wide-band frequency tripler for K-band applications
Author :
Moon, Seong-Mo ; Lee, Moon-Que
Author_Institution :
Sch. of Electr. & Comput. Eng., Univ. of Seoul, Seoul
Abstract :
This paper proposes how to generate various K-band modulation signals using an X9 frequency multiplier and an E4438C vector signal generator. The proposed modulation set-up consists of a vector signal generator, two frequency triplers and two amplifiers. The designed multiplier has showed an output power higher than -10 dBm. Suppressions of the 7th, 8th, and 10th order harmonics are measured more than 50 dBc around the desired 9th signal in the frequency range of 19.8 GHz ~ 24 GHz. The measured phase noise has showed -113 dBc/Hz and -130 dBc/Hz at offset frequencies of 100 kHz and 1 MHz, respectively. The designed modulation set-up is tested by modulating a binary phase shift-keying with a data rate over 30 Mbps. The designed modulation set-up is tested in conjunction with a demodulation chip, showing a successful modulation and demodulation operation.
Keywords :
demodulation; frequency multipliers; phase shift keying; signal generators; E4438C vector signal generator; K-band modulation signals; X9 frequency multiplier; amplifiers; binary phase shift-keying; frequency 19.8 GHz to 24 GHz; harmonics suppressions; modulator module; phase noise; wide-band frequency tripler; Broadband amplifiers; Demodulation; Frequency measurement; K-band; Phase modulation; Power amplifiers; Power generation; Signal generators; Testing; Wideband; (monolithic microwave integrated circuits); APD (Anti-parallel diode); BPSK; K-band; MMIC; N-QAM; QPSK; demodulator; frequency tripler; modulator;
Conference_Titel :
Radio and Wireless Symposium, 2009. RWS '09. IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2698-0
Electronic_ISBN :
978-1-4244-2699-7
DOI :
10.1109/RWS.2009.4957358
