ASX423
100-4500 MHz MMIC Amplifier
Frequency (MHz)
1710~1880
23.5
-15
-15
29
46
2.9
5
400
APPLICATION CIRCUIT
PCS
1710 ~ 1880 MHz
+5 V
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3
1)
(dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
1) OIP3 is measured with two tones at an output power of +11 dBm/tone se-
parated by 1 MHz.
Schematic
Vcc=5 V
Board Layout (FR4, 40x40 mm , 0.8T)
2
D1=5.6V
Zener Diode
C7=1
mF
C9=1
mF
C8=100pF
C5=2 pF
C4=3.3 pF
1 mm
C6=100 pF
L2=39 nH
(Coil Inductor)
C2=100 pF
RF OUT
0.5 mm
RF IN
L3=18 nH
C1=100 pF
2.5 mm
ASX423
C3=2 pF
L1=8.2 nH
S-parameters & K-factor
30
0
25
-5
Gain (dB)
20
-10
15
S11 (dB)
-15
10
-20
5
0
1500
1600
1700
1800
1900
2000
-25
1500
1600
1700
1800
1900
2000
Frequency (MHz)
0
5
Frequency (MHz)
-5
4
Stability Factor
-10
3
S22 (dB)
-15
2
-20
1
-25
0
-30
1500
1600
1700
1800
1900
2000
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
7/11
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
September 2011
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
