ASL425_17 Datasheet, PDF (7/14 Pages) Advanced Semiconductor Business Inc. – 200 ~ 4000 MHz MMIC Amplifier

ASL425
200 ~ 4000 MHz MMIC Amplifier
APPLICATION CIRCUIT
TETRA
460 ~ 500 MHz
+5 V
Schematic
Vcc=5 V
Frequency (MHz)
460
480
500
Magnitude S21 (dB)
40.0
39.0
38.5
Magnitude S11 (dB)
-11
-10
-10
Magnitude S22 (dB)
-7
-8
-8
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
30.0
30.0
29.5
44.5
45.0
44.5
Noise Figure (dB)
1.80
1.90
1.95
Device Voltage (V)
+5
+5
+5
Current (mA)
350
350
350
1) OIP3 is measured with two tones at an output power of +9 dBm/tone sepa-
rated by 1 MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
R3=8.2 
C9=1 F
C8=100 pF
L4=15 nH
C4=18 pF
C5=4 pF
RF IN
L5=56 nH
ASL425
R1=220 
C1=100 pF
L2=27 nH
R2=6.2 k
D1=5.6V Zener
Diode
C7=1 F
C6=100 pF
L1=120 nH
(Coil Inductor)
L3=3.3 nH
C2=39 pF RF OUT
4 mm
C3=12 pF
S-parameters & K-factor
50
0
40
-5
30
-10
20
-15
10
0
0
100
200
300
400
500
600
Frequency (MHz)
10
-20
0
5
100
200
300
400
500
600
Frequency (MHz)
5
4
0
3
-5
2
-10
1
7/14
-15
0
100
200
300
400
500
600
Frequency (MHz)
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017