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AST20S Datasheet(PDF) 28 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) 28 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
Unit
Frequency (MHz)
50
500
810
Power Gain
Gp
dB
18.7
17.8
17.7
Noise Figure
NF
dB
1.0
1.3
1.2
Input Return Loss
RLin
dB
-20
-9
-12
Output Return Loss
RLout
dB
-11
-14
-18
1 dB Gain Compression
Output Power
Po(1dB)
dBm
11
13
13
3
rd Intercept Point
Output Power
1)
OIP3
dBm
24.5
26
26
Circuit Current
Icc
mA
28
28
28
Schematic
S-parameters & K-factor
APPLICATION CIRCUIT
50 ~ 810 MHz
+4.5 V
Board Layout (FR4, 24x16 mm
2, 0.8T)
Bottom
Top
RF OUT
AST20S
RF IN
R4=750
W
C6=1 uF
VDD
R2=5.1 k
W
L2=560 nH
R1=51
W
C4=100 pF R3=510 W
L3=560 nH
C1=0.1 uF
C2=0.1 uF
C5=0.1 uF
L1=5.6 nH
C3=3 pF
R5=240
W
L4=68 nH
0
200
400
600
800
1000
-40
-30
-20
-10
0
10
20
30
S12
S22
S11
S21
Frequency [MHz]
0
500
1000
1500
2000
2500
3000
3500
0
1
2
3
4
5
Frequency (MHz)
S11
S22
freq (50.00MHz to 810.0MHz)



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