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AST20S Datasheet(PDF) 12 Page - Advanced Semiconductor Business Inc.

Part # AST20S
Description  High Gain, Low Noise Amplifier
PDF  33 Pages
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Manufacturer  ASB [Advanced Semiconductor Business Inc.]
Direct Link  http://www.asb.co.kr
Logo ASB - Advanced Semiconductor Business Inc.

AST20S Datasheet(HTML) 12 Page - Advanced Semiconductor Business Inc.

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ASB Inc.
· sales@asb.co.kr · Tel: +82-42-528-7223
August 2012
AST20S
High Gain, Low Noise Amplifier
1) OIP3 is measured with two tones at an output power of +4 dBm/tone separated by 1MHz.
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Power Gain
Gp
F = 2.14 GHz
12.5
dB
Noise Figure
NF
F = 2.14 GHz
0.8
dB
Input Return Loss
RLin
F = 2.14 GHz
-13
dB
Output Return Loss
RLout
F = 2.14 GHz
-13
dB
1 dB Gain Compression
Output Power
Po(1dB)
F = 2.14 GHz
18.5
dBm
3
rd Intercept Point
Output Power
1)
OIP3
F = 2.14 GHz
33.5
dBm
Circuit Current
Icc
F = 2.14 GHz
Non-RF
48
mA
Schematic
S-parameters & K-factor
APPLICATION CIRCUIT
2140 MHz
+5 V
Board Layout (FR4, 23x13 mm
2, 0.8T)
Note: 1) the length of the strip line P1 is given as below at
the PCB with Er = 4.5 and T = 0.8 mm.
*P1 Length: 2.5 mm, Width: 0.3 mm
2) Gain and S11 are in trade-off and varied with the length of P1
Bottom
Top
C1=100 pF
C3=10 pF
RF OUT
AST20S
C2=10 nF
RF IN
L2=10 nH
*P1
R1=750
W
C5=1 uF
*P1
VDD
R2=5.1 k
W
L1=8.2 nH
R3=39
W
1800
1900
2000
2100
2200
2300
2400
0
5
10
15
20
Frequency (MHz)
1800
1900
2000
2100
2200
2300
2400
-20
-15
-10
-5
0
Frequency (MHz)
1800
1900
2000
2100
2200
2300
2400
-20
-15
-10
-5
0
Frequency (MHz)
0
500
1000
1500
2000
2500
3000
3500
0
1
2
3
4
5
Frequency (MHz)



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