Hittite HMC320MS8G Datasheet
MICROWAVE CORPORATION
LOW NOISE AMPLIFIER 5.0 - 6.0 GHz
HMC320MS8G
FEBRUARY 2001
Features
Selectable Functionality:
LNA, Driver, or LO Buffer Amp
1
Adjustable Input IP3
Up To +10 dBm
+3V Operation
Ultra Small 8 Lead MSOP:
AMPLIFIERS
14.8 mm² x 1mm High
SMT
V00.0900
General Description
The HMC320MS8G is a low cost C-band fixed
gain Low Noise Amplifier (LNA) that serves the
full UNII and HiperLAN bands. The
HMC320MS8G operates using a single positive
supply that can be set between +3V and +5V.
With +3V bias, the LNA provides a noise figure
of 2.5 dB, 12 dB gain and better than 10 dB return
loss across the UNII band. The HMC320MS8G
also features adaptive biasing that allows the
user to select the optimal P1dB performance for
their system using an external set resistor on the
“RES” pin. P1dB performance can be set between a range of +1 dBm to +13 dBm. The low
cost LNA uses an 8-leaded MSOP ground base
surface mount plastic package, which occupies
less than 14.8mm
2
.
Guaranteed Performance,
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ssentalFniaG5.0±0.1±5.1±Bd
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)3PII(tnioPtpecretnIredrOdrihTtupnI3-1 48 601mBd
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* RBIAS resistor value sets current. See adaptive biasing application note.
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
Vdd = +3V, -40 to +85 deg C
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1 - 144
MICROWAVE CORPORATION
LOW NOISE AMPLIFIER 5.0 - 6.0 GHz
HMC320MS8G
V00.0900
Broadband Gain & Return Loss
Medium Power Bias
15
10
5
0
-5
-10
-15
RESPONSE (dB)
-20
-25
-30
33.544.555.566.577.58
FREQUENCY (GHz)
Gain vs. Temperature
Medium Power Bias
16
14
12
10
8
GAIN (dB)
6
4
2
0
44.555.566.57
FREQUENCY (GHz)
+25 C
+85 C
-40 C
Noise Figure vs. Temperature
Medium Power Bias
5
4.5
4
3.5
3
2.5
2
1.5
NOISEFIGURE(dB)
1
0.5
0
4.5 5 5.5 6 6.5
+25 C
+85 C
-40 C
FREQUENCY (GHz)
S11
S21
S22
FEBRUARY 2001
Gain @ Three Bias Conditions
16
14
12
10
8
GAIN (dB)
6
4
2
0
4 4.5 5 5.5 6 6.5 7
FREQU E NCY (GHz)
Low Power Bias
Medium Power Bias
High Power Bias
Input Return Loss
@ Three Bias Conditions
0
-5
-10
-15
-20
INPUT R ETUR N LOS S (dB)
-25
-30
4 4.5 5 5.5 6 6.5 7
Low Power Bias
Medium PowerBias
High PowerBias
FREQU E NCY (GHz)
Output Return Loss
@Three Bias Conditions
0
-5
-10
-15
-20
OUTPUT RETURN LOSS (dB)
-25
-30
4 4.5 5 5.5 6 6.5 7
Low Power Bias
Medium Power Bias
High Power Bias
FREQU E NCY (GHz)
1
AMPLIFIERS
SMT
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
1 - 145
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