ASX423_17 Datasheet, PDF (4/14 Pages) Advanced Semiconductor Business Inc. – 100 ~ 4500 MHz MMIC Amplifier

APPLICATION CIRCUIT
IF
340 MHz
+5 V
Schematic
Vdevice=+5 V
ASX423
100 ~ 4500 MHz MMIC Amplifier
Frequency (MHz)
340
Magnitude S21 (dB)
35
Magnitude S11 (dB)
-9
Magnitude S22 (dB)
-8
Output P1dB (dBm)
30
Output IP3¹⁾ (dBm)
42
Noise Figure (dB)
2.9
Device Voltage (V)
+5
Current (mA)
400
1) OIP3 is measured with two tones at an output power of +8 dBm/tone sepa-
rated by 1 MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
RF IN
C9=1 F
C8=100 pF
L4=18 nH
C5=22 pF
L5=56 nH
ASX423
R1=180 
C1=100 pF
L2=33 nH
C3=6 pF
C7=1 F
C6=100 pF
L1=100 nH
(Coil Inductor)
L3=8.2 nH C2=100 pF _{RF OUT}
3.5 mm
1 mm
C4=18 pF
S-parameters & K-factor
50
40
30
20
10
0
0
100
200
300
400
500
600
Frequency (MHz)
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]
4/14
ASB Inc.  [e-mail]  Tel: [phone]
February 2017