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AST20S Datasheet(PDF) 22 Page - Advanced Semiconductor Business Inc.

Part # AST20S
Description  High Gain, Low Noise Amplifier
PDF  41 Pages
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Manufacturer  ASB [Advanced Semiconductor Business Inc.]
Direct Link  http://www.asb.co.kr
Logo ASB - Advanced Semiconductor Business Inc.

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ASB Inc.
 sales@asb.co.kr  Tel: +82-42-528-7225
February 2017
AST20S
High Gain, Low Noise Amplifier
1) OIP3 is measured with two tones at an output power of +0 dBm/tone separated by 1MHz.
0
500
1000
1500
2000
2500
3000
3500
0
1
2
3
4
5
Frequency (MHz)
1000
1100
1200
1300
1400
1500
-20
-15
-10
-5
0
Frequency (MHz)
1000
1100
1200
1300
1400
1500
0
5
10
15
20
25
Frequency (MHz)
1000
1100
1200
1300
1400
1500
-25
-20
-15
-10
-5
0
Frequency (MHz)
Schematic
S-parameters & K-factor
APPLICATION CIRCUIT
Board Layout (FR4, 23x13 mm2, 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: 1.8 mm, Width: 0.3 mm
2) Gain and S11 are in trade-off and varied with the length of P1
Bottom
Parameter
Symbol
Unit
Frequency (MHz)
1160~1300
Power Gain
Gp
dB
16
Noise Figure
NF
dB
0.55
Input Return Loss
RLin
dB
-9.5
Output Return Loss
RLout
dB
-10
1
dB
Gain
Compression
Output Power
Po(1dB)
dBm
10
3rd Intercept Point
Output Power1)
OIP3
dBm
20
Circuit Current
Id
mA
18
Top
GPS,GLONASS,Galileo,Compass
1164 ~ 1300 MHz
+3.3 V, 18 mA



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