ASX423_17 Datasheet, PDF (7/14 Pages) Advanced Semiconductor Business Inc. – 100 ~ 4500 MHz MMIC Amplifier

APPLICATION CIRCUIT
RFID (USA)
902 ~ 928 MHz
+5 V
ASX423
100 ~ 4500 MHz MMIC Amplifier
Frequency (MHz)
902 ~ 928
Magnitude S21 (dB)
32.0
Magnitude S11 (dB)
-16
Magnitude S22 (dB)
-20
Output P1dB (dBm)
29.5
Output IP3¹⁾ (dBm)
45
Noise Figure (dB)
2.3
Device Voltage (V)
+5
Current (mA)
400
1) OIP3 is measured with two tones at an output power of +11 dBm/tone sep-
arated by 1 MHz.
Schematic
Vs=5 V
Board Layout (FR4, 40x40 mm², 0.8T)
C9=1 F
C5=6 pF L4=3.9 nH
C8=100pF _{C4=22 pF}
RF IN
L3=33 nH
ASX423
L1=33 nH
C1=100 pF
D1=5.6V
Zener Diode
C7=1 F
C6=100 pF
L2=82 nH
(Coil Inductor)
C2=100 pF _{RF OUT}
8 mm
C3=3.9 pF
S-parameters & K-factor
40
30
20
10
0
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
-5
-10
-15
-20
-25
-30
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
-5
-10
-15
-20
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
4
3
2
1
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
7/14
ASB Inc.  [e-mail]  Tel: [phone]
February 2017