ASX423 Datasheet, PDF (6/11 Pages) Advanced Semiconductor Business Inc. – 100-4500 MHz MMIC Amplifier

ASX423
100-4500 MHz MMIC Amplifier
APPLICATION CIRCUIT
RFID(USA)
902 ~ 928 MHz
+5 V
Schematic
Vs=5 V
Frequency (MHz)
902~928
Magnitude S21 (dB)
32
Magnitude S11 (dB)
-16
Magnitude S22 (dB)
-20
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
29.5
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 se-
parated by 1 MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
C9=1 mF
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 mF
C6=100 pF
L2=82 nH
(Coil Inductor)
C2=100 pF _{RF OUT}
8 mm
C3=3.9 pF
S-parameters & K-factor
40
0
30
-5
20
-10
10
-15
6/11
0
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
-20
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
-5
4
-10
3
-15
2
-20
1
-25
-30
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
0
500
1000 1500 2000 2500 3000 3500
Frequency (MHz)
ASB Inc. · [e-mail] · Tel: [phone]
September 2011