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In RF wireless communication systems, oscillator plays the role of providing signals, therefore high stability and low phase noise oscillator is very important. This paper use the negative resistance theory of FET, let the circuit is in an unstable state. And the use of dielectric resonator (DR) as a signal source, design of the dielectric resonator oscillator (DRO) operating frequency is 10.5GHz...
Shortened far-field gain measurement method had been proposed for one of gain measurement methods that does not require replacement of antennas and measurement of distance between antennas. In this study, the shortened far-field gain measurement method was investigated by the simulation of a patch antenna in 2.5 GHz band. Because this antenna is narrow bandwidth and measured distance is relatively...
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