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HMC259 Datasheet

  • HMC259

  • GaAs MMIC SUB-HARMONICALLY PUMPED MIXER 28 - 40 GHz

  • 6頁

  • HITTITE

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MICROWAVE CORPORATION
HMC259
General Description
The HMC259 chip is a broadband sub-harmoni-
cally pumped (x2) balanced MMIC passive mixer
which can be used as an upconverter or
downconverter. The chip utilizes a GaAs MESFET
process resulting in a small overall chip area of
1.9mm
2
. This chip has a very wide IF bandwidth
of DC-13 GHz. The 2LO to RF isolation is
excellent eliminating the need for additional fil-
tering . This mixer chip is designed to be used in
38GHz point to point radios, Local Multi-Point
Distribution Systems (LMDS), and SATCOM ap-
plications. 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 device is a much smaller and more
reliable replacement to hybrid diode mixer de-
signs.
GaAs MMIC SUB-HARMONICALLY PUMPED MIXER 28 - 40 GHz
F
EBRUARY
2001
Features
SUB-HARMONICALLY PUMPED (x2) LO
HIGH 2LO/RF ISOLATION: > 35dB
SMALL SIZE: 1.24mm x 1.55mm
IDEAL FOR 38 GHz RADIOS, E1 & T1
4
M
IXERS
DIE
Guaranteed Performance*,
Parameter
Min.
Frequency Range, RF
Frequency Range LO
Frequency Range, IF
Conversion Loss
Noise Figure (SSB)
2 LO to RF Isolation
2 LO to IF Isolation
RF to IF Isolation
LO to IF Isolation
IP3 (Input)
1 dB Compression (Input)
Local Oscillator Drive Level
* Configured as a downconverter
12 Elizabeth Drive, Chelmsford, MA 01824
LO Drive=+15dBm, - 55 to + 85 deg C
IF = 1 GHz
IF = 1 GHz
Units
Max.
GHz
GHz
GHz
15
15
dB
dB
dB
dB
dB
dB
dBm
dBm
+18
dBm
Typ.
28 - 40
14 - 20
DC - 12
14
14
Max.
Min.
Typ.
36 - 40
18 - 20
DC - 4
17
17
40
63
25
12
2
-7
+18
+13
12
12
50
68
32
17
6
-1
+15
28
58
25
10
2
-7
+13
35
65
30
15
5
-4
+15
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
4 - 112

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