ASL21X
Medium Gain, Low Noise GPS Amplifier
Features
·
20.5 dB Gain at 1575 MHz
·
0.65 dB NF at 1575 MHz
·
Power ON/OFF Function.
·
Supply Voltage = 1.8 V
Description
ASL21X is an LNA for GPS and XM in mobile
equipment which requires lower current and lower
noise. Power saving function is built in. Low noise
performance is kept over the wide range of power
enable voltage and DC power supply voltage.
Typical Performance
Parameters
Testing Frequency
Gain
S11
S22
Input IP3
Noise Figure
Output P1dB
Supply Current
Supply Voltage
Control Current
Control Voltage V
CTL
Units
MHz
dB
dB
dB
dBm
dB
dBm
mA
V
mA
V
1575
16.5
-6
-12
-20
1)
1.1
-10
2.0
1.8
300
1.8
1575
20.5
-12
-12
-20
1)
0.65
-6
6.0
1.8
300
1.8
1575
21.5
-15
-12
-12
1)
0.6
-2
13.0
3.0
300
3.0
Typical
2450
20.5
-15
-10
-8
1)
0.8
0
13.0
3.0
300
3.0
2450
20.0
-15
-10
-13
1)
0.8
-1
13.0
3.0
-
-
2450
13.5
-15
-15
5.5
2)
0.9
6
12.0
3.0
300
3.0
2338
21.0
-11
-14
-3
1)
0.6
3
23.0
5.0
-
-
Package Style: SOT-363
Application Circuit
·GPS
( 1.8V / 6mA )
·GPS
( 1.8V / 2mA )
·GPS
( 3V / 5mA,
without Power ON/OFF Function)
·GPS
( 3V / 13mA )
·1164
~ 1278 MHz ( 3V /13mA )
·1550
~ 1620 MHz ( 3V /13mA )
·2400
~ 2500 MHz( 3V / 13mA )
·2400
~ 2500 MHz( 3V / 13mA,
without Power ON/OFF Function)
·2400
~ 2500 MHz( 3V / 12mA,
Gain 13.5dB)
·XM
( 5V / 23mA,
1) IIP3 is measured with two tones at an output power of -40 dBm/tone separated by 1 MHz
2) IIP3 is measured with two tones at an output power of -20 dBm/tone separated by 1 MHz
Product Specifications
Parameters
Frequency
Gain
S11
S22
Noise Figure
Supply Current
Supply Voltage
Control Current
Control Voltage V
CTL
1)
Power On
1)
Units
MHz
dB
dB
dB
dB
mA
V
mA
V
Min
Typ
1575
20.5
-12
-12
0.7
Max
without Power ON/OFF Function)
·XM
( 5V / 23mA, Low Gain,
without Power ON/OFF Function)
4
6
1.8
300
1.8
8
V
CTL
Voltage = 0.5 V < V
CTL
< 5
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
+6 V
+150°C
22 dBm
Pin Configuration
Pin No.
1
2,5
3
4
6
Function
RFIN
GND
Enable
RFOUT / Bias
NC (Not
connected)
1/14
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
July 2012
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
