GaAs Monolithic Microwave IC
CHR2294
RoHS COMPLIANT
25-35GHz Single Side Band Mixer Self biased
GaAs Monolithic Microwave IC
Description
The CHR22...
Description
CHR2294
RoHS COMPLIANT
25-35GHz Single Side Band Mixer Self biased
GaAs Monolithic Microwave IC
Description
The CHR2294 is a multifunction chip (MFC) which integrates a self biased LO buffer amplifier and a sub-harmonically balanced diodes mixer for 2LO suppression and image rejection. It is usable for both up-conversion and down-conversion. It is designed for a wide range of applications, typically commercial communication systems for broadband local access. The backside of the chip is both RF and DC grounded. This helps to simplify the assembly process.
The circuit is manufactured with a pHEMT process, 0.25µm gate length, via holes through the substrate, air bridges and electron beam gate lithography. It is available in chip form.
Main Features
Broadband performances: 25-35GHz 11dB conversion Loss 15dBc image rejection +9dBm LO input power +2.5dBm input power (1dB gain comp.) Low DC power consumption, 55mA@4V Chip size: 2.06 x 1.25 x 0.10mm
Up-conversion Supradyne mode IF=1.2GHz
30
25
20
15
10
5
0
CL sup (dB)
Imag Supp (dBc)
-5
P LO@RF (dBm)
P 2xLO @RF (dBm)
-10
-15
-20
-25
-30
-35
-40
-45
-50 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 RF frequency (GHz)
Main Characteristics
Tamb. = 25°C
Parameter
Min Typ Max
FRF RF frequency range
25 35
FLO LO frequency range
11 19
FIF IF frequency range
DC 3.5
Lc Conversion Loss
15 11
ESD Protection: Electrostatic discharge sensitive device. Observe handling precautions!
Unit
GHz GHz GHz dB
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