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

ASX423
100-4500 MHz MMIC Amplifier
APPLICATION CIRCUIT
4300 ~ 4500 MHz
+5 V
Schematic
Vs=5 V
Frequency (MHz)
4300
4500
Magnitude S21 (dB)
10
10.5
Magnitude S11 (dB)
-9
-11
Magnitude S22 (dB)
-8
-7
Output P1dB (dBm)
27
23
Output IP3¹⁾ (dBm)
41
39
Noise Figure (dB)
6.2
6.2
Device Voltage (V)
5
5
Current (mA)
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)
C9=1 mF
C8=100pF
C5=2 pF
RF IN
L3=6.8 nH
ASX423
C1=3 pF _{R1=4.7 W}
C3=0.5 pF
D1=5.6V
Zener Diode
C7=1 mF
C6=100 pF
L2=6.8 nH
(Coil Inductor)
RF OUT
C2=10 pF
C4=0.5 pF
S-parameters & K-factor
15
0
-5
10
-10
5
-15
11/11
0
4000
0
-5
-10
-15
4000
4200
4400
4600
4800
Frequency (MHz)
-20
4000
4200
4400
4600
4800
Frequency (MHz)
5
4
3
2
1
4200
4400
4600
4800
Frequency (MHz)
0
0
1000
ASB Inc. · [e-mail] · Tel: [phone]
2000
3000
Frequency (MHz)
4000
5000
September 2011