Florian, C. ; Pirazzini, M. ; Cignani, R. ; Vannini, G. ; Favre, G. ; Filicori, F.
(2004)
Push-push X band GaInP/GaAs VCO with a fully monolithic microstrip resonator.
In: IEEE MTT-S International Microwave Symposium Digest, 2004, 6-11 giugno 2004, Fort Worth, Texas.
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Official URL: http://ieeexplore.ieee.org/iel5/9277/29524/01339004.pdf?tp=&arnumber=1339004&isnumber=29524
Abstract
In this paper the design of a VCO using GaInP/GaAs HBT technology is presented. The VCO is designed to be a part of a PDH point to point radio system. To achieve low phase noise performances GaInP/GaAs HBT technology and push-push topology have been chosen. The MMIC includes predistorters to emphasize the second harmonic, f/sub 0//2 prescalers for PLL locking and buffer amplifiers. A fully monolithic microstrip resonator is coupled with integrated varactors to achieve the specified tuning bandwidth. Phase noise, bandwidth and power measurements will also be presented
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