ASW234
5-8000 MHz MMIC Amplifier
Frequency (MHz)
70
21
-5
-13
21.5
27
2.8
5
55
150
20
-8
-16
21.5
28
2.2
5
55
300
19.5
-9
-18
21.5
29
2.1
5
55
APPLICATION CIRCUIT
IF
50 ~ 450 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 +5 dBm/tone sepa-
rated by 1MHz.
Schematic
Vcc=5 V
Board Layout (FR4, 40x40 mm , 0.8T)
2
C4=1
mF
C3=100 pF
RF IN
C1=0.1
mF
2 mm
ASW234
L2=680 nH
L1=1
mH
C2=0.1
mF
RF OUT
S-parameters & K-factor
25
0
20
-5
Gain (dB)
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
-10
Stability Factor
0
100
200
300
400
500
3
S22 (dB)
-15
2
-20
1
-25
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
6/8
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
February 2010
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
