Hittite HMC204MS8G Datasheet
MICROWAVE CORPORATION
GaAs MMIC SMT FREQUENCY DOUBLER 4 - 8 GHz INPUT
HMC204MS8G
FEBRUARY 2001
Features
CONVERSION LOSS: 16 to to 20 dB
Fo, 3Fo, 4Fo ISOLATION: > 38 to 50 dB
PASSIVE: NO BIAS REQ'D
ULTRA SMALL PACKAGE: MSOP8
3
MULTIPLIERS
SMT
V00.0900
General Description
The HMC204MS8G is a passive miniature frequency doubler in an 8 lead MSOP surface
mount package. Suppression of undesired fundamental and higher order harmonics is 40 to 60
dB with respect to input signal level and 24 to 42
dB with respect to the output level. The doubler
utilizes the same GaAs Schottky diode/balun
technology found in Hittite MMIC mixers. Its
features includes a small size, requires no DC
bias, and has no measurable additive phase
noise onto the multiplied signal. Applications
include commercial microwave radios and VSAT,
as well as military ECM and communication
systems.
Guaranteed Perf ormance, 50 Ohm system -55 to +85 deg C
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12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
3 - 46
MICROWAVE CORPORATION
GaAs MMIC SMT FREQUENCY DOUBLER 4 - 8 GHz INPUT
HMC204MS8G
V00.0900
Conversion Loss vs.
Temperature @ +15 dBm Drive Level
0
-5
-10
-15
-20
-25
-30
CONVERSION LOSS (dB)
-35
-40
3456789
INPUT FREQUENCY (GHz)
+25 C
+85 C
-40 C
Input Return Loss
vs. Drive level
0
+14dBm
+12dBm
-5
-10
+10dBm
+8dBm
Isolation @ +15 dBm
Drive Level *
0
-20
-40
-60
ISOL A T IO N (dB)
-80
-100
0 5 10 15 20 25 30 35
FREQUENC Y (GHz)
* With respect to input level
Output Return Loss for
Several Input Frequencies
0
-4
-8
-12
FEBRUARY 2001
Fo
3Fo
4Fo
3
MULTIPLIERS
SMT
-15
INPUT RETURN LOSS (dB)
-20
45678
FREQUENCY (GHz)
-16
OUTPUT RETURN LOSS (dB)
-20
8 9 10 11 12 13 14 15 16
4GHz
6GHz
8GHz
FREQUENCY (GHz)
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
3 - 47
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