24 GHz InGaP-GaAs HBT push-push VCO with broadband tuning range
Paper in proceedings, 2009

A push-push topology MMIC microstrip VCO with output taken from tank common-node has been designed and implemented in an InGaP/GaAs HBT process. It provides an output at second harmonic at 24 GHz and differential output for PLL at 12 GHz. The oscillator shows an excellent phase noise performances of -93 dBc/Hz at the fundamental frequency and -89 dBc/Hz at the second harmonic output at 100 kHz offset from the carrier. Different doping profile varactors are investigated and VCO tuning range larger than 35% is obtained.

Author

Rumen Kozhuharov

GigaHertz Centre

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Dan Kuylenstierna

GigaHertz Centre

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Herbert Zirath

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

GigaHertz Centre

Proceedings of the 4th European Microwave Integrated Circuits Conference

242-245

Subject Categories

Control Engineering

ISBN

978-287487012-5

More information

Created

10/8/2017