ASF250
5-1000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
70
17.0
-15
-18
22
40.0
2.5
5
103
150
16.9
-20
-20
22
43.5
2.5
5
103
300
16.7
-20
-20
22
43.5
2.7
5
103
450
16.6
-20
-19
22
40.5
2.7
5
103
900
16.1
-14.5
-16
22
38.5
2.7
5
103
APPLICATION CIRCUIT
50 ~ 1000
+5 V
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Noise Figure (dB)
Device Voltage (V)
Device Current (mA)
1)
1) OIP3 is measured with two tones at an output power of +10 dBm/tone separated by
1 MHz.
Schematic
Vs=5 V
Board Layout (FR4, 40x40 mm , 0.8T)
2
C4=1
mF
C3=100 pF
L1=330 nH
RF IN
C1=1
mF
ASF250
C2=1
mF
RF OUT
S-parameters & K-factor
25
0
20
-5
-10
Gain (dB)
15
S11 (dB)
-15
10
-20
5
-25
0
-30
0
200
400
600
800
1000
0
200
400
600
800
1000
Frequency (MHz)
0
Frequency (MHz)
-5
-10
S22 (dB)
-15
-20
-25
0
200
400
600
800
1000
Frequency (MHz)
3/5
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
October 2012
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
