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AST54S_17 Datasheet, PDF (24/26 Pages) Advanced Semiconductor Business Inc. – High Gain, Low Noise Amplifier
APPLICATION CIRCUIT
FM
88 ~ 108 MHz
+5 V
Schematic
AST54S
High Gain, Low Noise Amplifier
Parameter
Symbol Unit
Frequency (MHz)
88
108
Power Gain
Noise Figure
Gp
dB
22.3
22.3
NF
dB
0.65
0.7
Input Return Loss
RLin
dB
-10
-10
Output Return Loss
RLout
dB
-18
-18
1 dB Gain Compression
Output Power
Po(1dB)
dBm 12
12
3rd Intercept Point
Output Power1)
OIP3
dBm 23
23
Circuit Current
Id
mA 24
24
1) OIP3 is measured with two tones at an output power of +0 dBm/tone separated by 1MHz.
Board Layout (FR4, 28x16 mm2, 0.8T)
Top
Bottom
S-parameters
30
25
20
15
10
5
0
0
25
50
75
100 125 150 175 200
Frequency (MHz)
0
-5
-10
-15
-20
-25
-30
0
25
50
75
100 125 150 175 200
Frequency (MHz)
0
-10
-20
-30
-40
-50
-60
0
25
50
75
100 125 150 175 200
Frequency (MHz)
24/26
ASB Inc.  sales@asb.co.kr  Tel: +82-42-528-7225
April 2017