ASW234
5-8000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
900
17.8
-9
-15
21
26
1.8
4.7
35
2000
16.2
-12
-18
21
29
1.8
4.7
35
2700
15
-18
-14
19.5
30
1.9
4.7
35
3500
13.5
-12
-12
19.5
31
2.2
4.7
35
APPLICATION CIRCUIT
500 ~ 3500 MHz
+4.7 V
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 separated by
1MHz.
Schematic
Vcc=4.7 V
Board Layout (FR4, 40x40 mm , 0.8T)
2
C4=1
mF
C3=100 pF
RF IN
C1=56 pF 2 mm
ASW234
L2=18 nH
L1=33 nH
C2=56 pF
RF OUT
S-parameters & K-factor
25
0
20
-5
Gain (dB)
15
-10
10
S11 (dB)
0
500
1000
1500
2000
2500
3000
3500
-15
5
-20
0
-25
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
0
5
Frequency (MHz)
-5
4
-10
Stability Factor
0
500
1000
1500
2000
2500
3000
3500
3
S22 (dB)
-15
2
-20
1
-25
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
4/8
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
February 2010