Title :
A MIC X7 DHBT frequency multiplier with low spurious harmonics
Author_Institution :
Hughes Space & Commun., Los Angeles, CA, USA
Abstract :
We report on the design and measurement of a MIC X7 DHBT active frequency multiplier. The DHBT devices were fitted to a Gummel-Poon SPICE model which was then used with a harmonic balance analysis to simulate the active frequency multiplier. An edge-coupled filter was implemented for selective amplification of the desired harmonic, and results in 30 dB rejection of spurious harmonics. The X7 active multiplier design demonstrates output powers in the range of 0-4 dBm for moderate input signals (4-8 dBm).<>
Keywords :
bipolar transistor circuits; frequency multipliers; harmonics; heterojunction bipolar transistors; hybrid integrated circuits; microwave frequency convertors; microwave integrated circuits; 7 GHz; DHBT frequency multiplier; MIC; SHF; active multiplier design; edge-coupled filter; harmonic balance analysis; low spurious harmonics; Capacitance; Electrical resistance measurement; Frequency conversion; Frequency measurement; Heterojunction bipolar transistors; Microwave integrated circuits; Power harmonic filters; SPICE; Scattering parameters; Schottky diodes;
Conference_Titel :
Microwave Symposium Digest, 1995., IEEE MTT-S International
Conference_Location :
Orlando, FL, USA
Print_ISBN :
0-7803-2581-8
DOI :
10.1109/MWSYM.1995.406215
