ASL331
Wideband Linear Push-pull Amplifier MMIC
Frequency (MHz)
Noise Figure (dB)
5
2.0
21
-22
-22
24.5
37
60
50
1.4
20.9
-22
-22
25
38.5
70
5
220
.
200
1.4
20.6
-22
-22
24.5
43
60
APPLICATION CIRCUIT
CATV Push-Pull
1 : 1 transformer
5 ~ 300 MHz / LPF
+5 V
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Output IP2
1),2)
1)
(dBm)
Device Voltage (V)
Current (mA)
1) OIP3 and OIP2 are measured with two tones at an output power of +10 dBm/tone
separated by 1 MHz.
2) OIP2 is measured at F1+F2 Frequency.
Schematic
Vs=5 V
Board Layout (FR4, 40x40 mm
2
, 0.8T)
Note: MABA-007159 1:1 impedance transformers
are used.
C6=10 uF
R1=560
W
C1=10 nF
1:1
transformer
C3=10 nF
L1=22 uH
(LQH31MN220J03)
C2=10 nF
L2=27 nH
C5=5 pF
C8=10 nF L5=27 nH
L4=22 uH
(LQH31MN220J03)
C11=10 uF
C4=15 pF
L3=12 nH
L6=12 nH
RF OUT
1:1
transformer
ASL331
RF IN
C7=10 nF
R2=560
W
C9=10 nF
C10=15 pF
Vs=5 V
S-parameters
50
40
30
20
50
40
30
20
10
Gain (dB)
10
0
-10
-20
-30
-40
-50
0
200
400
600
800
1000
1200
1400
1600
1800
2000
S11 (dB)
0
-10
-20
-30
-40
-50
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Frequency (MHz)
50
40
30
20
10
Frequency (MHz)
S22 (dB)
0
-10
-20
-30
-40
-50
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Frequency (MHz)
6/6
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
March 2012
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
