A Ka-band GaInP/GaAs HBT double balanced upconvert mixer

A Ka-band GaInP/GaAs HBT double balanced upconvert mixer has been designed and fabricated. This circuit is to be used in a multifunction T/R module for local multipoint distribution systems (LMDS) which include both analog and digital transmission. A conversion gain of 1 dB, and an output power of -...

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Bibliographic Details
Main Authors: Freundorfer, A.P., Falt, C.
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Circuit synthesis
Frequency
Gallium arsenide
Heterojunction bipolar transistors
Impedance matching
Laboratories
MIM capacitors
Mixers
Transconductance
Online Access:Request full text
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Description
Summary:A Ka-band GaInP/GaAs HBT double balanced upconvert mixer has been designed and fabricated. This circuit is to be used in a multifunction T/R module for local multipoint distribution systems (LMDS) which include both analog and digital transmission. A conversion gain of 1 dB, and an output power of -10 dBm from 27 to 30 GHz for an LO input power of 10 dBm at 26 GHz were measured. The LO isolation to the output was measured to be 20 dB. These results are the best reported at Ka-band for a mixer using transistors from a digital HBT library.
ISSN:0840-7789
2576-7046
DOI:10.1109/CCECE.1996.548059