ASL21X Datasheet, PDF (9/14 Pages) Advanced Semiconductor Business Inc. – Medium Gain, Low Noise GPS Amplifier

APPLICATION CIRCUIT
2400 ~ 2500 MHz
+3V / 13 mA
Schematic
L1=3.9 nH
RF IN
VCTL
ASL21X
Hi: ON
Low: OFF (Power Save)
C1=0.3 pF
RF OUT
L2=4.3 nH
ASL21X
Medium Gain, Low Noise GPS Amplifier
Frequency (MHz)
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Noise Figure (dB)
Input IP3 (dBm) ¹⁾
Output P1dB(dBm)
Supply Current (mA)
Supply Voltage (V)
Control Current (mA)
Control Voltage VCTL (V)
2400 ~ 2500
20.5
-15
-10
0.8
-8
0
13
3.0
300
3.0
1) _{IIP3 is measured with two tones at an input power of -40 dBm/tone}
separated by 1MHz
Board Layout (FR4, 20x20 mm², 0.8T)
C2=0.1 uF
Vsupply
S-parameters & K-factor
0
25
-5
20
-10
15
-15
10
-20
5
-25
0
1800
2000
2200
2400
2600
2800
3000
Frequency (MHz)
0
-30
1800
2000
2200
2400
2600
2800
3000
Frequency (MHz)
5
9/14
-5
4
-10
3
-15
2
-20
1
-25
-30
1800
2000
2200
2400
2600
2800
3000
Frequency (MHz)
0
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
Frequency (MHz)
ASB Inc. · [e-mail] · Tel: [phone]
July 2012