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ASX420_17 Datasheet, PDF (12/14 Pages) Advanced Semiconductor Business Inc. – 250 ~ 3500 MHz MMIC Amplifier
ASX420
250 ~ 3500 MHz MMIC Amplifier
APPLICATION CIRCUIT
WiMAX
2500 ~ 2700 MHz
+5 V
Frequency (MHz)
2500
2600
2700
Magnitude S21 (dB)
17.0
16.5
16.0
Magnitude S11 (dB)
-18
-18
-15
Magnitude S22 (dB)
-18
-15
-13
Output P1dB (dBm)
30
Output IP31) (dBm)
46
Noise Figure (dB)
7.1
Device Voltage (V)
+5
Current (mA)
370
1) OIP3 is measured with two tones at an output power of +15 dBm/tone sepa-
rated by 1 MHz.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
R1=3 
C9=1 F
C8=100pF
RF IN
L2=22 nH C5=2 pF
ASX420
C1=56 pF
C2=0.5 pF
C7=1 F
C6=100pF
L1=22 nH
(Coil Inductor)
C3=56 pF RF OUT
C4=1.5 pF
Board Layout (FR4, 40x40 mm2, 0.8T)
S-parameters & K-factor
25
20
15
10
5
0
2000
0
2200
2400
2600
2800
Frequency (MHz)
3000
3200
0
-5
-10
-15
-20
-25
-30
2000
5
2200
2400
2600
2800
Frequency (MHz)
3000
3200
-5
4
-10
3
-15
2
-20
1
12/14
-25
2000
2200
2400
2600
2800
Frequency (MHz)
3000
3200
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  sales@asb.co.kr  Tel: +82-42-528-7225
February 2017