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AST20S Datasheet(PDF) 21 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.

AST20S Datasheet(HTML) 21 Page - 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 -10 dBm/tone separated by 1MHz.
Schematic
S-parameters & K-factor
APPLICATION CIRCUIT
GSM, CDMA
850 ~ 950 MHz
+5 V, 11 mA
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: 3.6 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)
868
915
Power Gain
Gp
dB
15.5
15.0
Noise Figure
NF
dB
0.7
0.6
Input Return Loss
RLin
dB
-9
-9
Output Return Loss
RLout
dB
-8
-8
1
dB
Gain
Compression
Output Power
Po(1dB)
dBm
4
4
3rd Intercept Point
Output Power1)
OIP3
dBm
17.5
18.5
Circuit Current
Id
mA
11
Top
600
700
800
900
1000
1100
1200
0
5
10
15
20
25
Frequency (MHz)
-40
oc
25
oc
85
oc
600
700
800
900
1000
1100
1200
-25
-20
-15
-10
-5
0
5
S22
S11
Frequency (MHz)
-40
oc
25
oc
85
oc
-60
-40
-20
0
20
40
60
80
100
0
5
10
15
20
25
Temperature (
o
C)
Frequency = 900 MHz
0
500
1000
1500
2000
2500
3000
3500
0
1
2
3
4
5
Frequency (MHz)



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