ASW338
5-4000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
1950
16.5
-14
-14
25
43
2.2
8
120
2450
16
-14
-14
22
41.5
2.8
8
120
APPLICATION CIRCUIT
1700 ~ 2700 MHz
+8 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 +7 dBm/tone
separated by 1 MHz.
Schematic
Vcc=8 V
Board Layout (FR4, 40x40 mm
2
, 0.8T)
C5=1
mF
C4=68 pF
L1=8.2 nH
RF IN
C1=100 pF
ASW338
C3=100 pF
RF OUT
C2=1.2 pF
S-parameters & K-factor
25
0
20
-5
Gain (dB)
15
S11 (dB)
1800
2000
2200
2400
2600
2800
-10
10
5
-15
0
1600
-20
1600
1800
2000
2200
2400
2600
2800
Frequency (MHz)
0
5
Frequency (MHz)
-5
4
-10
Stability Factor
1800
2000
2200
2400
2600
2800
3
S22 (dB)
-15
2
-20
-25
1
-30
1600
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
9/10
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
April 2012