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AST20S Datasheet(PDF) 20 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) 20 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 -10 dBm/tone separated by 1MHz.
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Power Gain
Gp
F =433 MHz
20.5
dB
Noise Figure
NF
F =433 MHz
0.9
dB
Input Return Loss
RLin
F =433 MHz
-8
dB
Output Return Loss
RLout
F =433 MHz
-10
dB
1 dB Gain Compression
Output Power
Po(1dB)
F =433 MHz
2.5
dBm
3
rd Intercept Point
Output Power
1)
OIP3
F =433 MHz
18
dBm
Circuit Current
Icc
F =433 MHz
Non-RF
11
mA
Schematic
S-parameters & K-factor
APPLICATION CIRCUIT
433 MHz
+5 V / 11 mA
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: 3.6 mm, Width: 0.3 mm
2) Gain and S11 are in trade-off and varied with the length of P1
Bottom
Top
C1=5 pF
C3=100 pF
RF OUT
AST20S
C2=10 nF
RF IN
*P1
R1=750
W
C6=1 uF
*P1
VDD
R2=7.5 k
W
L1=22 nH
C4=1 nF
R3=180
W
C5=10 nF
C7=1 pF
R4=160
W
L2=47 nH
100
200
300
400
500
600
700
0
5
10
15
20
25
Frequency (MHz)
100
200
300
400
500
600
700
-20
-15
-10
-5
0
Frequency (MHz)
100
200
300
400
500
600
700
-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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