ASX520 Datasheet, PDF (3/9 Pages) Advanced Semiconductor Business Inc. – 250-3000 MHz MMIC Amplifier

ASX520
250-3000 MHz MMIC Amplifier
APPLICATION CIRCUIT
400 ~ 430 MHz
+5 V
Frequency (MHz)
400~430
Magnitude S21 (dB)
37.5
39
Magnitude S11 (dB)
-11
-12
Magnitude S22 (dB)
-2.5
-5
Output P1dB (dBm)
30
Output IP3¹⁾ (dBm)
45
Noise Figure (dB)
8.3
Device Voltage (V)
5
Current (mA)
650
1) OIP3 is measured with two tones at an output power of +11
dBm/tone separated by 1 MHz.
Schematic
Vcc=5 V
Board Layout (FR4, 40x40 mm², 0.8T)
R1=3 W
C9=1 mF
C5=15 pF
C8=100pF
C4=100 pF
RF IN
L2=12 nH
L4=6.8 nH
2.5 mm
ASX520
C1=100 pF
D1=5.6V
Zener Diode
C7=1 mF
C6=100pF
L1=12 nH
(Coil Inductor)
C2=270 pF
RF OUT
3.5 mm L3=1.8 nH
C3=22 pF
S-parameters & K-factor
50
40
30
20
10
0
300
350
400
450
500
550
600
Frequency (MHz)
5
0
-5
-10
-15
300
350
400
450
500
550
600
Frequency (MHz)
0
-5
-10
-15
-20
-25
300
350
400
450
500
550
600
Frequency (MHz)
5
4
3
2
1
0
0
500
1000 1500 2000 2500 3000 3500
Frequency (MHz)
3/9
ASB Inc. · [e-mail] · Tel: [phone]
February 2010