ASW234
5-8000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
900
18.8
-11
-18
16.5
31
2.2
3
53
2000
16.5
-14
-16
17
32
2.2
3
53
2700
14.8
-18
-14
15.5
34
2.4
3
53
3500
12.5
-13
-18
16.5
31
2.6
3
53
APPLICATION CIRCUIT
500 ~ 3500 MHz
+3 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=3 V
Board Layout (FR4, 40x40 mm , 0.8T)
2
C4=1
mF
C3=100 pF
R1=6.8 kW
RF IN
C1=56 pF
L1=39 nH
2 mm
L2=18 nH
ASW234
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
-25
1
-30
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
5/8
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
February 2010