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Hittite Microwave Corporation - GaAs MMIC SUB-HARMONICALLY PUMPED DOWNCONVERTER/ 20 - 32 GHz

Numéro de référence HMC265
Description GaAs MMIC SUB-HARMONICALLY PUMPED DOWNCONVERTER/ 20 - 32 GHz
Fabricant Hittite Microwave Corporation 
Logo Hittite Microwave Corporation 





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HMC265 fiche technique
v01.0701
MICROWAVE CORPORATION
HMC265
GaAs MMIC SUB-HARMONICALLY
PUMPED DOWNCONVERTER, 20 - 32 GHz
Typical Applications
The HMC265 is ideal for:
• Microwave Point to Point Radios
• LMDS
• SATCOM
Functional Diagram
5
Features
Integrated LO Amplifier: -4 dBm Input
Sub-Harmonically Pumped (x2) LO
Integrated IF Amplifier: 3 dB Gain
Small Size: 1.32mm x 1.32mm
General Description
The HMC265 chip is a sub-harmonically pumped
(x2) MMIC downconverter with integrated LO & IF
amplifiers. The chip utilizes a GaAs PHEMT tech-
nology that results in a small overall chip area of
1.74 mm2. The 2LO to RF isolation is excellent
eliminating the need for additional filtering. The
LO amplifier is a single bias (+3V to +4V) two
stage design with only -4 dBm nominal drive
requirement. All data is with the chip in a 50
ohm test fixture connected via 0.025 mm (1 mil)
diameter wire bonds of minimal length <0.31 mm
(<12 mils). This downconverter IC is an excellent,
smaller, and more reliable replacement to hybrid
diode based downconverter MMIC assemblies.
5 - 58
Electrical Specifications, TA = +25° C, LO Drive = -4 dBm
Parameter
IF = 1 GHz
Vdd = +4V
Min. Typ. Max.
Min.
Frequency Range, RF
20 - 32
Frequency Range, LO
10 - 16
Frequency Range, IF
0.7 - 3.0
Conversion Gain (RF to IF)
-2 3
7 -2
Noise Figure (SSB)
13
2LO to RF Isolation
17 20 ~ 40
28
2LO to IF Isolation
40 50 ~ 60
45
IP3 (Input)
2 10
9
1 dB Compression (Input)
-5 2
-2
Supply Current (Idd)
50
IF = 1 GHz
Vdd = +4V
Typ.
27 - 30
13.5 - 15
0.7 - 3.0
2
13
35
55
13
2
50
Max.
5
Units
GHz
GHz
GHz
dB
dB
dB
dB
dBm
dBm
mA
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com

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