HMC318MS8G / 318MS8GE
v02.0607
GaAs MMIC LOW NOISE AMPLIFIER
with AGC, 5 - 6 GHz
8
Typical Applications
Features
The HMC318MS8G / HMC318MS8GE is ideal for:
LNA with 18 dB Gain Control
+3V Operation
• UNII
Low Noise Figure: 2.5 dB
No External Components
• HiperLAN
Ultra Small 8 Lead MSOP:
14.8mm2 x 1mm High
Functional Diagram
General Description
The HMC318MS8G & HMC318MS8GE are surface
mount low cost C-band variable gain low noise ampli-
fiers (VGLNA) that serve the full UNII and HiperLAN
bands. The HMC318MS8G & HMC318MS8GE oper-
ate 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.
Electrical Specifications, TA = +25° C, Vdd = +3V
Parameter*
Frequency Range
Min.
6
Typ.
5 - 6
9
Max.
Units
GHz
dB
Gain
12
0.04
23
Gain Variation over Temperature
Gain Control Range
0.03
18
dB/°C
dB
11
Noise Figure
2.5
12
4.0
dB
Input Return Loss
6
7
dB
Output Return Loss
13
dB
Output Power for 1 dB Compression (P1dB)
Output Third Order Intercept (OIP3)
Supply Current (Idd)
-1
10
2
dBm
dBm
mA
13
6
10
* Specifications refer to the maximum gain state (Vctl = 0V) unless otherwise noted.
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8 - 14
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