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PDF AST163 Data sheet ( Hoja de datos )
| Número de pieza | AST163 | |
| Descripción | Low Noise Amplifier | |
| Fabricantes | Advanced Semiconductor Business | |
| Logotipo |  |
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AST163
High Gain, Low Noise Amplifier
Features
·13.5 dB Gain at 1575 MHz
·1.1 dB NF at 1575 MHz
·One-stage LNA
Description
AST163 is a one-stage LNA for GPS, DMB, and
satellite receiver low noise blocks. It has a low noise,
high gain, and high linearity over a wide range of
frequency up to 6 GHz. It is also suitable for use in
the low noise amplifier block of the mobile wireless
systems of T-DMB, CDMA, GSM, PCS, WCDMA,
WiBro, WiMAX, and WLAN so on. The amplifier is
available in an SOT-363 package and passes the
stringent DC, RF, and reliability tests.
Typical Performance
Parameters
Testing Frequency
Gain
S11
S22
Output IP31)
Noise Figure
Output P1dB
Current
Device Voltage
Units
MHz
dB
dB
dB
dBm
dB
dBm
mA
V
1575
13.5
-10
-10
16
1.1
10
3.7
3
Typical
1575
1575
14 15.5
-12 -10
-14 -11
18 24
0.95 0.9
10 10
6.0 9.5
3 2.8
1) OIP3 is measured with two tones at an output power of -5dBm/tone separated by 1MHz.
1575
14.2
-10
-10
21.2
1.3
10
9.5
2.8
Product Specifications*
Parameters
Frequency
Gain
S11
S22
Output IP3
Noise Figure
Output P1dB
Current
Device Voltage
Units
MHz
dB
dB
dB
dBm
dB
dBm
mA
V
Min
13
15
9
Typ
1575
13.5
-10
-10
16
1.1
10
3.7
3
*100% in-house DC & RF testing is done on packaged products before taping
Max
1.3
Absolute Maximum Ratings
Parameters
Operating Case Temperature
Storage Temperature
Device Voltage
Operating Junction Temperature
Input RF Power (CW, 50ohm matched)*
Rating
-40 to +85°C
-40 to +150°C
+5 V
+150°C
22 dBm
* Please find the max. input power data from http://www.asb.co.kr/pdf/Maximum_Input_Power_Analysis.pdf
Package Style: SOT-363
Application Circuit
· GPS
· GPS (2.8 V)
· GPS (2.8 V /
Without strip lines)
· 1710 ~ 1880 MHz
· 1950 MHz
Pin Configuration
Pin No.
1
2
3
4
5
6
Function
RF IN
GND
GND
RF OUT / Bias
GND
GND
July 2010
Free Datasheet http://www.datasheet4u.com/
1 page  
APPLICATION CIRCUIT
GPS
1575 MHz
+2.8 V
AST163
High Gain, Low Noise Amplifier
Frequency (MHz)
1575
Magnitude S21 (dB)
15.5
Magnitude S11 (dB)
-10
Magnitude S22 (dB)
-11
Output P1dB (dBm)
Output IP31) (dBm)
10
24
Noise Figure (dB)
0.9
Supply Voltage (V)
2.8
Current (mA)
9.5
1) OIP3 is measured with two tones at an output power of -5 dBm/tone
separated by 1MHz.
Schematic
VDD
C3=10 nF
R1=910 W
RF IN
C1=100 pF
L1=6.2 nH
R2=6.2 kW
*P1
AST163
*P1 R3=30 W
C4=1 uF
L2=6.8 nH
C2=1.2 pF RF OUT
Board Layout (FR4, 15.3x12 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: 3.4 mm, Width: 0.3 mm
2) Gain and S11 are in trade-off and varied with the length of P1
S-parameters & Noise Figure
25
0
20
-5
15
-10
10
-15
5
0
1400
1450
1500
1550 1600 1650
Frequency (MHz)
1700
1750
1800
0
-20
1400
1450
1500
1550 1600 1650
Frequency (MHz)
1700
1750
1800
5
-5 4
-10 3
-15 2
-20 1
-25
1400
1450
1500
1550 1600 1650
Frequency (MHz)
1700
1750
1800
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
July 2010
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AST163.PDF ] | |
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