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MICROWAVE CORPORATION
HMC157C8
V01.0700
GaAs MMIC SMT FREQUENCY DOUBLER 1 - 2 GHz INPUT
FEBRUARY 2001
Features
CONVERSION LOSS: 17 dB Fo, 3Fo, 4Fo ISOLATION: > 35 dB INPUT DRIVE LEVEL: 10 to 20 dBm
General Description
The HMC157C8 is a miniature frequency doubler in a non-hermetic ceramic surface mount package. Suppression of undesired fundamental and higher order harmonics is 32 to 60 dB with respect to input signal level and 15 to 43 dB with respect to the desired output signal level. The doubler uses the same diode/balun technology used in Hittite MMIC mixers, features small size and requires no DC bias.
3
MULTIPLIERS SMT
Guaranteed Performance, 50 Ohm
system -55 to +85 deg C
Typical Performance vs. Drive Level 10 Input Frequency Range Output Frequency Range Conversion Loss 1.5 - 2.0 3.0 - 4.0 <20 15 1.0 - 2.0 2.0 - 4.0 <17 20 1.0 - 2.0 2.0 - 4.0 <18 dBm GHz GHz dB
Performance for Input Signals in the 1.0 - 2.0 GHz Band (+15dBm Drive) Min. Fo Isolation (with respect to input level) 3Fo Isolation (with respect to input level) 4Fo Isolation (with respect to input level) 42 40 30 Typ. 50 50 35 Max. dB dB dB
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
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HMC157C8
MICROWAVE CORPORATION
GaAs MMIC SMT FREQUENCY DOUBLER 1 - 2 GHz INPUT
V01.0700 FEBRUARY 2001
Conversion Loss vs. Drive Level
0
Isolation @ +15 dBm Drive Level *
0 -10
CONVERSION GAIN (dB)
-10
-20 ISOLATION (dB) -30 -40 -50 -60 -70 -80 -90 -100
2 2.5 3 3.5 4 4.5 5
Fo 3Fo 4Fo
-20
3
MULTIPLIERS SMT
4 5 6 7
-30
Input=+10dBm Input=+15dBm Input=+20dBm
-40
-50 OUTPUT FREQUENCY (GHz)
1
2
3
4
5
6
7
8
9
10
FREQUENCY (GHz)
* With respect to input level
Input Return Loss vs. Drive level
0
Output Return Loss vs. Drive Level
0 -2 OUTPUT RETURN LOSS (dB)
INPUT RETURN LOSS (dB)
-5 -10 -15 -20 -25 -30 1 2 3 4 5 6 7 INPUT FREQUENCY (GHz)
Input=+10dBm Input=+15dBm Input=+20dBm
-4 -6 -8 -10 -12 -14 -16 -18 -20 1 2 3 FREQUENCY (GHz)
Input=+10dBm Input=+15dBm Input=+20dBm
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
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HMC157C8
MICROWAVE CORPORATION
GaAs MMIC SMT FREQUENCY DOUBLER 1 - 2 GHz INPUT
FEBRUARY 2001 V01.0700
Schematic
RF IN
(PIN 2)
Absolute Maximum Ratings
Input Drive +27 dBm -65 to +150 deg C -55 to +125 deg C
RF OUT
(PIN 7)
Storage Temperature Operating Temperature
3
MULTIPLIERS
Outline Drawing
0.197/0.203 (5.00/5.16) PIN 8 CHAMFERED 0.004 (0.10) COPLANARITY MAX. 0.095 (2.41) MAX. 0 DEG. TO 7 DEG.
SMT
RF OUT
0.282/0.298 (7.16/7.57)
0.157/0.163 (3.99/4.14) 0.020/0.040 (0.51/1.02)
PIN 1
RF IN
0.007/0.009 TYP (0.18/0.23)
0.177/0.183 (0.18/0.23)
1.
2.
0.137/0.143 (3.48/3.63)
3. 4.
RF GND PLANE COPLANAR WITH LEADS
0.050 TYP (1.27) 0.020 +/- 0.003 TYP (0.51 +/- 0.08)
5.
MATERIAL: A) PACKAGE BODY & COVER : WHITE ALUMINA (92%) B) LEADS & PACKAGE BOTTOM: COPPER PLATING : ELECTROLYTIC GOLD 100 - 200 MICROINCHES OVER ELECTROLYTIC NICKEL 100 TO 200 MICROINCHES. DIMENSIONS ARE IN INCHES (MILLIMETERS). UNLESS OTHERWISE SPECIFIED TOL. ARE 0.005(0.13). ALL UNLABELED LEADS ARE GROUND. THESE LEADS ARE CONNECTED INTERNALLY TO THE PACKAGED BOTTOM GROUND. THE PACKAGE BOTTOM RF GROUND MUST BE SOLDERED TO THE PCB RF GROUND. PACKAGE LENGTH AND WIDTH DIMENSIONS SHOWN DO NOT INCLUDE LID SEAL PROTRUSION. ALLOWABLE PROTRUSION SHALL BE 0.005 (0.127MM) PER SIDE.
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
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HMC157C8
MICROWAVE CORPORATION
GaAs MMIC SMT FREQUENCY DOUBLER 1 - 2 GHz INPUT
V01.0700 FEBRUARY 2001
NOTES:
3
MULTIPLIERS
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
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SMT

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