ASX423_17 Datasheet, PDF (5/14 Pages) Advanced Semiconductor Business Inc. – 100 ~ 4500 MHz MMIC Amplifier

APPLICATION CIRCUIT
TETRA
380 ~ 500 MHz
+5 V
Schematic
Vcc=5 V
ASX423
100 ~ 4500 MHz MMIC Amplifier
Frequency (MHz)
380
440
500
Magnitude S21 (dB)
34.0 36.5 34.0
Magnitude S11 (dB)
-10
-11
-11
Magnitude S22 (dB)
-5
-6
-6
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
29.0 29.5 29.0
38.0 40.0 41.0
Noise Figure (dB)
3.7
3.4
3.4
Device Voltage (V)
+5
+5
+5
Current (mA)
400
400
400
1) OIP3 is measured with two tones at an output power of +7 dBm/tone sepa-
rated by 1 MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
C9=1 F
C5=10 pF
C8=100 pF _{C4=82 pF}
L4=15 nH
RF IN
L5=56 nH
ASX423
R1=180 
C1=100 pF
L2=47 nH
D1=5.6V
Zener Diode
C7=1 F
C6=100 pF
L1=82 nH
(Coil Inductor)
L3=6.8 nH
C2=100 pF _{RF OUT}
4 mm
2 mm
C3=10 pF
S-parameters & K-factor
50
40
30
20
10
0
0
100
200
300
400
500
600
Frequency (MHz)
10
5
0
-5
-10
-15
0
100
200
300
400
500
600
Frequency (MHz)
0
-5
-10
-15
-20
-25
0
5
100
200
300
400
500
600
Frequency (MHz)
4
3
2
1
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
5/14
ASB Inc.  [e-mail]  Tel: [phone]
February 2017