ASX520
250-3000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
36.8
-12
-8
32.5
48
6.7
5
650
700~800
32.3
-12
-8
APPLICATION CIRCUIT
700 ~ 800 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 +14
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
C8=1
mF
C7=100pF
C6=7 pF
C5=100 pF
L2=82 nH
C1=68 pF
C2=2 pF
L3=3.9 nH
3 mm
RF IN
ASX520
C10=1
mF
C9=100pF
L1=39 nH
(Coil Inductor)
C3=68 pF
5.5 mm
1 mm
C4=9 pF
RF OUT
S-parameters & K-factor
50
0
40
-5
Gain (dB)
30
-10
20
S11 (dB)
500
600
700
800
900
1000
-15
10
-20
0
400
-25
400
500
600
700
800
900
1000
Frequency (MHz)
5
5
Frequency (MHz)
0
4
Stability Factor
-5
3
S22 (dB)
-10
2
-15
1
-20
400
0
500
600
700
800
900
1000
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
4/9
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
February 2010