ASW338
5-4000 MHz MMIC Amplifier
Frequency (MHz)
Magnitude S21 (dB)
50
14.1
-15
-11
26
41
73
3.5
8
240
500
14.3
-11
-10
28
45
65
2.8
8
240
860
14.2
-14
-12
28
42.5
54
3.2
8
240
.
APPLICATION CIRCUIT
CATV Push-Pull (75 Ohm)
50 ~ 1000 MHz
+8 V
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Output IP2
1),2)
1)
(dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
1) OIP3 and OIP2 are measured with two tones at an output power of +8 dBm/tone se-
parated by 6 MHz.
2) OIP2 is measured at F1+F2 Frequency.
Schematic
Board Layout (FR4, 40x40 mm
2
, 0.8T)
Vcc=8 V
Note: The transformers are used M/A COM’s
MABA-007159 1:1 transformer.
C6=1 uF
C5=68 pF
L1=330 nH
C1=10 nF
C2=10 nF
ASW338
RF IN
MABA-
007159
L2=68 nH
C3=0.3 pF
R1=130
W
MABA-
007159
R2=680
W
C4=1 nF
C7=10 nF
C8=10 nF
RF OUT
ASW338
L4=68 nH
C9=0.3 pF
L3=330 nH
R3=130
W
R4=680
W
C10=1 nF
C11=68 pF
C12=1 uF
Vcc=8 V
S-parameters
25
0
20
-5
-10
Gain (dB)
15
S11 (dB)
0
100
200
300
400
500
600
700
800
900
1000 1100
-15
10
-20
5
-25
0
-30
0
100
200
300
400
500
600
700
800
900
1000 1100
Frequency (MHz)
0
Frequency (MHz)
-5
-10
S22 (dB)
-15
-20
-25
-30
0
100
200
300
400
500
600
700
800
900
1000 1100
Frequency (MHz)
10/10
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
April 2012
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
