ASF240
5-1000 MHz MMIC Amplifier
Frequency (MHz)
70
26.4
-14
-10
20
40.5
3.0
4.9
114
150
26.3
-15
-11
20.5
41
3.0
4.9
114
300
26
-15
-10
20.5
38
3.1
4.9
114
450
25.6
-15
-9
20
34.5
3.1
4.9
114
APPLICATION CIRCUIT
IF
50 ~ 500 MHz
+5 V
Magnitude S21 (dB)
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 +6 dBm/tone separated by
1MHz.
Schematic
Vs=5 V
R
D
=1
W
D1=5.6V
Zener Diode
C4=1
mF
C3=100 pF
L1=1.2
mH
RF IN
C1=1000 pF
ASF240
Board Layout (FR4, 40x40 mm , 0.8T)
2
C2=1000 pF
RF OUT
S-parameters & K-factor
30
0
25
-5
Gain (dB)
20
15
S11 (dB)
0
100
200
300
400
500
-10
10
-15
5
0
-20
0
100
200
300
400
500
Frequency (MHz)
0
5
Frequency (MHz)
-5
4
Stability Factor
0
100
200
300
400
500
3
S22 (dB)
-10
2
-15
1
-20
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
3/6
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
September 2011
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
