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DESCRIPTION AND APPLICATIONS
The Filtronic Solid State LMA420 is a low noise PHEMT amplifier that operates from 21 to 24GHz.
This 3-stage reactively matched amplifier provides 22dB nominal gain with 3dB typical noise figure
and saturated power output of +5dBm The LMA420 is designed for commercial mm-W (millimeter-
wave) PCN/PCS applications. Ground is provided to the circuitry through vias to the backside
metallization.
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ELECTRICAL SPECIFICATIONS @ T
Ambient
= 25擄C
擄
(V
DD
= +3.0V, Z
IN
= Z
OUT
= 50鈩?
Parameter
Frequency Band
Small Signal Gain
Small Signal Gain Flatness
Noise Figure
Input Return Loss
Output Return Loss
Reverse Isolation
Symbol
F
S
21
鈭哠
21
NF
S
11
S
22
S
12
I
DS
= 20 mA
Test Conditions
Min
21
18
22
鹵0.8
3
-12
-12
-40
鹵1.0
4
-9
-9
Typ
Max
24
Units
GHz
dB
dB
dB
dB
dB
dB
Phone:
(408) 988-1845
Fax:
(408) 970-9950
http://
www.filss.com
Revised:
12/05/00
Email:
sales@filss.com
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