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ASW235 Datasheet, PDF (3/7 Pages) Advanced Semiconductor Business Inc. – MMIC Amplifier
ASW235
5 ~ 6000 MHz MMIC Amplifier
APPLICATION CIRCUIT
IF
5 ~ 140 MHz
+5 V
Schematic
Vcc=5 V
R1=7.5 
Frequency (MHz)
5
140
Magnitude S21 (dB)
24.5
24.5
Magnitude S11 (dB)
-17
-17
Magnitude S22 (dB)
-8
-8
Output P1dB (dBm)
14
14
Output IP31) (dBm)
25.5
25.5
Noise Figure (dB)
3.3
3.3
Device Voltage (V)
+4.65
+4.65
Current (mA)
46
46
1) OIP3 is measured with two tones at an output power of +0 dBm/tone sepa-
rated by 1 MHz.
Board Layout (FR4, 40x40 mm2, 0.8T)
RF IN
C1=1 F
ASW235
D1=5.6V
Zener Diode
C4=1 F
C3=100 pF
L1=54 H
(27H+27H)
RF OUT
C2=1 F
S-parameters & K-factor
30
25
20
15
10
5
0
0
100
200
300
400
500
Frequency (MHz)
0
0
-5
-10
-15
-20
-25
-30
0
5
50
100
150
200
Frequency (MHz)
4
-5
3
-10
2
-15
1
-20
0
100
200
300
400
500
Frequency (MHz)
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
3/7
ASB Inc.  sales@asb.co.kr  Tel: +82-42-528-7225
April 2017