Hittite HMC141, HMC142 Datasheet
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MIXERS
DIE
HMC141
MICROWAVE CORPORATION
GaAs MMIC DOUBLE-BALANCED MIXER 6 - 18 GHz
FEBRUARY 2001
Features
INPUT IP3: +21dBm
LO / RF ISOLATION : 25 TO 40 dB
DC TO 6 GHz IF BANDWIDTH
SMALL SIZE: 1.48mm x 1.48mm
HMC141
HMC142
General Description
The HMC141 chip is a miniature doublebalanced mixer which can be used as an
upconverter or downconverter. The chip
utilizes a standard 1µm GaAs MESFET process. The HMC142 is identical to the
HMC141 except that the layout is a mirror
image designed to ease integration into image-reject mixer modules. Broadband operation and excellent isolations are provided
by on-chip baluns, which require no external components and no DC bias. The design is similar to the HMC143/144 mixers
but without IF combiner, providing a broad
DC to 6 GHz IF bandwidth. These devices
are much smaller and more reliable replacements to hybrid diode mixers for VSAT and
point-to-point radios.
Guaranteed Performance, LO Drive = +20 dBm, -55 to +85 deg C
HMC142
Parameter Min. Typ. Max. Units
Frequency Range, RF & LO 6 - 18 GHz
Frequency Range , IF DC - 6 GHz
Conversion Loss 10 12 dB
Noise Figure (SSB) 10 12 dB
LO to RF Isolation 20 25 dB
LO to IF Isolation 20 25 dB
IP3 (Input) at 10, 13, and 16 GHz RF Freq. 16 21 dBm
IP2 (Input) at 10, 13, and 16 GHz RF Freq. 40 47 dBm
1dB Gain Compression (Input) 5 10 dB m
Local Oscillator Drive Level 13 15 23 dBm
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
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HMC141
y2k
MICROWAVE CORPORATION
HMC141 / HMC142 DOUBLE-BALANCED MIXER 6 - 18 GHz
Conversion Loss
0
-5
-10
-15
-20
-25
CONVERSION LOSS (dB)
-30
0 5 10 15 20 25
FREQUENCY (GHz)
HMC142
Isolation
0
-10
-20
LO/IF
-30
-40
ISOLATION (dB)
-50
-60
0 5 10 15 20 25 30
RF/IF
LO/RF
FREQUENCY (GHz)
FEBRUARY 2001
4
Conversion Loss vs. LO Drive Level
@ Several RF Frequencies
0
6 GHz
-10
10 GHz
-20
14 GHz
-30
18 GHz
-40
CONVERSION LOSS (dB)
-50
6 8 10 12 14 16 18 20 22
LO POWER (dBm)
Upconverter Performance
0
-10
CONVERSION GAIN
-20
-30
(dB)
-40
-50
-60
024 6810
Input at IF Port (1-8GHz); Output at LO Port (9GHz)
Local Oscillator at RF Port (10-17GHz)
INPUT/OUTPUT ISOLATION
IF FREQUENCY (GHz)
MIXERS
DIE
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
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