ASF240
5-1000 MHz MMIC Amplifier
Frequency (MHz)
5
26.5
-14
-8
20
40
-
4.75
108
30
26.5
-15
-9
20
40
3.0
4.75
108
APPLICATION CIRCUIT
IF
5 ~ 30 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
Board Layout (FR4, 40x40 mm , 0.8T)
D1=5.6V
Zener Diode
C4=1
mF
C3=100 pF
L2=33
mH
Internal R(L1+L2)=2.3
W
L1=33
mH
2
RF IN
C1=1
mF
ASF240
C2=1
mF
RF OUT
S-parameters & K-factor
35
30
-5
0
25
Gain (dB)
15
10
S11 (dB)
20
-10
-15
-20
5
0
-25
0
20
40
60
80
100
0
20
40
60
80
100
Frequency (MHz)
0
5
Frequency (MHz)
-5
4
Stability Factor
0
20
40
60
80
100
3
S22 (dB)
-10
2
-15
1
-20
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
4/6
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
September 2011
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
