Title :
2.4 GHz direct-digital binary phase shift keying modulator using MEMS switch
Author :
Jackson, B.R. ; Saavedra, C.E.
Author_Institution :
Dept. of Electr. & Comput. Eng., Queen´´s Univ., Kingston, Ont., Canada
Abstract :
A novel MEMS-based binary phase shift keying direct-digital modulator operating at a carrier frequency of 2.4 GHz is presented. The circuit is composed of a rat-race coupler and a single-pole double-throw MEMS switch controlled by a digital baseband signal. The coupler divides the input waveform into two signals that are 180° out of phase and the MEMS switch is used to select between these two signals. This circuit has been experimentally verified and results are reported.
Keywords :
UHF couplers; microswitches; microwave switches; modulators; phase shift keying; 2.4 GHz; binary phase shift keying direct digital modulator; carrier frequency; digital baseband signal; rat race coupler; single pole double throw MEMS switch;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20046509
