ASX520
250-3000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
37.5
-11
-2.5
30
45
8.3
5
650
400~430
39
-12
-5
APPLICATION CIRCUIT
400 ~ 430 MHz
+5 V
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
1)
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 mm , 0.8T)
2
D1=5.6V
Zener Diode
R1=3
W
C7=1
mF
C6=100pF
C5=15 pF
C4=100 pF
L2=12 nH
C1=100 pF
L4=6.8 nH
2.5 mm
RF IN
ASX520
3.5 mm L3=1.8 nH
C3=22 pF
L1=12 nH
(Coil Inductor)
C2=270 pF
C9=1
mF
C8=100pF
RF OUT
S-parameters & K-factor
50
0
40
-5
Gain (dB)
30
-10
S11 (dB)
20
-15
10
-20
0
300
350
400
450
500
550
600
-25
300
350
400
450
500
550
600
Frequency (MHz)
5
5
Frequency (MHz)
4
0
Stability Factor
350
400
450
500
550
600
3
S22 (dB)
-5
2
-10
1
-15
300
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
3/9
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
February 2010