ASX420_17 Datasheet, PDF (11/14 Pages) Advanced Semiconductor Business Inc. – 250 ~ 3500 MHz MMIC Amplifier

ASX420
250 ~ 3500 MHz MMIC Amplifier
APPLICATION CIRCUIT
WiBro, WLAN
2300 ~ 2500 MHz
+5 V
Frequency (MHz)
2300
2400
2500
Magnitude S21 (dB)
18.0
17.5
17.0
Magnitude S11 (dB)
-18
-18
-18
Magnitude S22 (dB)
-15
-15
-15
Output P1dB (dBm)
28.5
29.0
29.0
Output IP3¹⁾ (dBm)
45
46
47
Noise Figure (dB)
7.3
7.3
7.3
Device Voltage (V)
+5
+5
+5
Current (mA)
370
370
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
1800
0
2000
2200
2400
2600
Frequency (MHz)
2800
3000
0
-5
-10
-15
-20
-25
-30
1800
5
2000
2200
2400
2600
Frequency (MHz)
2800
3000
-5
4
-10
3
-15
2
-20
1
11/14
-25
1800
2000
2200
2400
2600
Frequency (MHz)
2800
3000
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017