ASF240
5-1000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
50
25.4
-14
-10
20
37
44
2.8
4.8
107
500
25.3
-14
-11
19
32
46
2.9
4.8
107
860
24.2
-14
-9
16.5
27.5
36
3.1
4.8
107
.
APPLICATION CIRCUIT
CATV ( 75 Ohm )
50 ~ 1000 MHz
+5 V
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Output IP2
1),2)
1)
(dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
1) OIP3 and OIP2 are measured with two tones at an output power of +5
dBm/tone separated by 6 MHz.
2) OIP2 is measured at F1+F2 Frequency.
Schematic
Vs=5 V
Board Layout (FR4, 40x40 mm , 0.8T)
2
D1=5.6V
Zener Diode
C4=1
mF
C3=100 pF
L1=390 nH
(Coil Inductor, Internal R=2
W)
C2=1
mF
RF OUT
ASF240
RF IN
C1=1
mF
L2=56 nH
R1=200
W
S-parameters
30
0
25
-5
Gain (dB)
20
S11 (dB)
15
-10
10
-15
5
0
-20
0
100
200
300
400
500
600
700
800
900
1000
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
0
Frequency (MHz)
-5
S22 (dB)
-10
-15
-20
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
5/6
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
September 2011
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
