ASX420_17 Datasheet, PDF (8/14 Pages) Advanced Semiconductor Business Inc. – 250 ~ 3500 MHz MMIC Amplifier

ASX420
250 ~ 3500 MHz MMIC Amplifier
APPLICATION CIRCUIT
PCS
1750 ~ 1870 MHz
+5 V
Frequency (MHz)
1750 ~ 1780 1840 ~ 1870
Magnitude S21 (dB) 22.5
22.0
Magnitude S11 (dB) -15
-15
Magnitude S22 (dB) -15
-18
Output P1dB (dBm) 29
29
Output IP3 (dBm)¹⁾ 46
46
Noise Figure (dB)
7.1
7.2
Device Voltage (V) +5
+5
Current (mA)
370
370
1) OIP3 is measured with two tones at an output power of +12 dBm/tone
(1750 ~ 1780) and +15dBm/tone (1840 ~ 1870) separated by 1 MHz.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
R1=3 
C9=1 F
C8=100pF
RF IN
C5=1.5 pF
C4=3 pF
L2=22 nH
1 mm ASX420
C7=1 F
C6=100pF
L1=22 nH
(Coil Inductor)
C2=56 pF _{RF OUT}
C1=56 pF
C3=2.2pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters & K-factor
30
25
20
15
10
5
0
1500
0
1600
1700
1800
1900
Frequency (MHz)
2000
2100
-5
-10
-15
-20
-25
-30
1500
1600
1700
1800
1900
Frequency (MHz)
2000
2100
0
-5
-10
-15
-20
-25
1500
5
1600
1700
1800
1900
Frequency (MHz)
2000
2100
4
3
2
1
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
8/14
ASB Inc.  [e-mail]  Tel: [phone]
February 2017