AST163_17 Datasheet, PDF (8/9 Pages) Advanced Semiconductor Business Inc. – High Gain, Low Noise Amplifier

APPLICATION CIRCUIT
WCDMA
1950 MHz
+5 V / 25 mA
Schematic
AST163
High Gain, Low Noise Amplifier
Parameter
Symbol Unit
Frequency [MHz]
1950
Power Gain
Noise Figure
Gp
dB
16
NF
dB
0.65
Input Return Loss
RLin
dB
-10
Output Return Loss
RLout
dB
-14
1 dB Gain
Output Power
Compression
Po(1dB)
dBm
16
3^rd Intercept Point
Output Power¹⁾
OIP3
dBm 29
Circuit Current
Id
mA
25
1) OIP3 is measured with two tones at an output power of +0 dBm/tone separated by 1MHz.
Board Layout (FR4, 23x13 mm², 0.8T)
Top
Bottom
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: 1.2 mm, Width: 0.3 mm
2) Gain and S11 are in trade-off and varied with the length of P1
S-parameters & K-factor
20
0
15
-5
10
-10
5
-15
8/9
0
1700
0
1800
1900
2000
2100
Frequency (MHz)
2200
2300
-20
1700
5
1800
1900
2000
2100
Frequency (MHz)
2200
2300
4
-5
3
-10
2
-15
1
-20
1700
1800
1900
2000
2100
Frequency (MHz)
2200
2300
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017