ASX420_17 Datasheet, PDF (9/14 Pages) Advanced Semiconductor Business Inc. – 250 ~ 3500 MHz MMIC Amplifier

ASX420
250 ~ 3500 MHz MMIC Amplifier
APPLICATION CIRCUIT
WCDMA
1920 ~ 2170 MHz
+5 V
Frequency (MHz) 1920 ~ 1980 2110 ~ 2170
Magnitude S21 (dB) 21.5
20.5
Magnitude S11 (dB) -15
-14
Magnitude S22 (dB) -15
-14
Output P1dB (dBm) 29.5
30.0
Output IP3 (dBm)¹⁾ 46
46
Noise Figure (dB) 7.0
7.0
Device Voltage (V) +5
+5
Current (mA)
370
370
1) OIP3 is measured with two tones at an output power of +15 dBm/tone
separated by 1 MHz.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
R1=3 
C9=1 F
C8=100 pF
RF IN
C5=1.5 pF
C4=2 pF
L2=22 nH
2 mm ASX420
C1=56 pF
C7=1 F
C6=100 pF
L1=22 nH
(Coil Inductor)
C2=56 pF _{RF OUT}
C3=1.8 pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters & K-factor
30
25
20
15
10
5
0
1700
1800
1900 2000 2100 2200
Frequency (MHz)
2300
2400
0
0
-5
-10
-15
-20
-25
1700
1800
1900 2000 2100 2200
Frequency (MHz)
2300
2400
5
-5
4
-10
3
-15
-20
-25
1700
1800
1900 2000 2100 2200
Frequency (MHz)
2300
2400
2
1
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
9/14
ASB Inc.  [e-mail]  Tel: [phone]
February 2017