ASX423
100-4500 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP31) (dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
4300
10
-9
4500
10.5
-11
-7
APPLICATION CIRCUIT
-8
4300 ~ 4500 MHz
+5 V
27
41
6.2
5
23
39
6.2
5
400
400
1) OIP3 is measured with two tones at an output power of +12 dBm/tone se-
parated by 1 MHz.
Board Layout (FR4, 40x40 mm2, 0.8T)
Schematic
Vs=5 V
D1=5.6V
Zener Diode
C7=1 mF
C9=1 mF
C6=100 pF
L2=6.8 nH
(Coil Inductor)
C5=2 pF
C8=100pF
RF OUT
ASX423
L3=6.8 nH
C1=3 pF
RF IN
C2=10 pF
C4=0.5 pF
R1=4.7 W
C3=0.5 pF
S-parameters & K-factor
0
-5
15
10
-10
-15
-20
5
0
4000
4200
4400
4600
4800
4000
4200
4400
4600
4800
Frequency(MHz)
Frequency(MHz)
5
0
4
3
2
1
0
-5
-10
-15
0
1000
2000
3000
4000
5000
4000
4200
4400
4600
4800
Frequency(MHz)
Frequency(MHz)
11/11
ASB Inc. · sales@asb.co.kr
·
Tel: +82-42-528-7223
September 2011
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
