Hittite HMC318MS8G Datasheet
MICROWAVE CORPORATION
LOW NOISE AMPLIFIER with AGC 5.0 - 6.0 GHz
HMC318MS8G
FEBRUARY 2001
Features
LNA with 18 dB Gain Control
1
+3V Operation
Low Noise Figure: 2.5 dB
No External Components
Ultra Small 8 Lead MSOP:
14.8 mm² x 1mm High
AMPLIFIERS
SMT
Guaranteed Performance, Vdd = +3V, -40 to +85 deg C
V00.0900
General Description
The HMC318MS8G is a surface mount low cost
C-band variable gain low noise amplifier
(VGLNA) that serves the full UNII and HiperLAN
bands. The HMC318MS8G operates using a
single positive supply that can be set between
+3V or +5V. When a control voltage of 0V to
+3V is applied, the gain of the amplifier will
decrease while maintaining excellent return loss
performance. A maximum gain of 9 dB is
achieved when VCTL is set to 0V and a minimum gain of -9 dB is achieved when Vctl is set
to +3V.
*retemaraP
egnaRycneuqerF 0.6-0.5zHG
C°52@niaG6921Bd
erutarepmeTrevonoitairaVniaG 30.040.0/BdC°
egnaRlortnoCniaG118132Bd
erugiFesioN 5.20.4Bd
ssoLnruteRtupnI621Bd
ssoLnruteRtuptuO731Bd
)Bd1P(noisserpmoCBd1rofrewoPtuptuO1-2 mBd
)3PIO(tpecretnIredrOdrihTtuptuO0131mBd
)ddV(egatloVylppuSdednemmoceR57.20.352.3cdV
)ddI(tnerruCylppuS 601Am
* Specifications refer to the maximum gain state (Vctl = 0V) unless otherwise noted.
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
1 - 138
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MICROWAVE CORPORATION
LOW NOISE AMPLIFIER with AGC 5.0 - 6.0 GHz
HMC318MS8G
V00.0900
Gain & Return Loss, Vctl = 0V
15
10
5
0
-5
RESPONSE (dB)
-10
-15
-20
4.5 5 5.5 6 6.5
FREQUENCY (GHz)
15
10
5
0
GAIN (dB)
-5
-10
-15
4.5 5 5.5 6 6.5
+25C
+85C
-40C
FREQUENCY (GHz)
Input Return Loss vs.
Temperature, Vctl = 0V
0
-5
S11
S21
S22
+25C
+85C
-40C
FEBRUARY 2001
Gain over Control Range
15
10
5
0
GAIN (dB)
-5
-10
-15
4.5 5 5.5 6 6.5
FREQUENCY (GHz)
0V
1.0V
1.4V
1.8V
3.0V
Noise Figure vs.
Temperature, Vctl = 0VGain vs. Temperature, Vctl = 0V
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
FREQUENCY (GHz)
Output Return Loss
vs. Temperature, Vctl = 0V
0
-5
+25 C
+85 C
-40 C
+25C
+85C
-40C
1
AMPLIFIERS
SMT
-10
-15
INPUT R ETUR N L OSS (dB )
-20
4.5 5 5.5 6 6.5
FREQUENCY (GHz)
-10
-15
OUTPUT RETURN LOSS (dB)
-20
4.5 5 5.5 6 6.5
FREQUENCY (GHz)
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
1 - 139
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