ASL331
Wideband Linear Push-pull Amplifier MMIC
Frequency (MHz)
Noise Figure (dB)
50
1.4
20.2
-20
-20
26
41.5
70
500
1.6
19.7
-18
-15
26
41
62
64
60
5
220
.
860
1.9
19
-20
-18
26
41.5
56
APPLICATION CIRCUIT
CATV Push-Pull
1 : 1 transformer
50 ~ 1000 MHz
+5 V
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Output IP2
CTB (dBc)
1),2)
3)
3)
1)
(dBm)
CSO (dBc)
Device Voltage (V)
Current (mA)
1) OIP3 and OIP2 are measured with two tones at an output power of +12 dBm/tone
separated by 6 MHz.
2) OIP2 is measured at F1+F2 Frequency.
3) Pout = 101 dBuV for 84 channels VHF signal.
Schematic
Note: MABA-007159 1:1 impedance transformers
are used.
Vs=5 V
Board Layout (FR4, 40x40 mm
2
, 0.8T)
C4=10 uF
R1=470
W
C1=1 uF
1:1
transformer
C3=1 uF
L1=1 uH
(LQH31CN1R0M03)
C2=1 uF
1:1
transformer
RF OUT
ASL331
RF IN
C9=0.5 pF
C5=1 uF
C7=1 uF
R2=470
W
C6=1 uF
L2=1 uH
(LQH31CN1R0M03)
C8=10 uF
Vs=5 V
S-parameters
25
0
20
-5
-10
15
-40 c
o
25 c
o
85 c
o
Gain (dB)
S11 (dB)
1000
-15
10
5
-40 c
o
25 c
o
85 c
o
-20
-25
0
0
100
200
300
400
500
600
700
800
900
-30
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
0
Frequency (MHz)
-5
-10
-40 c
o
25 c
o
85 c
o
S22 (dB)
-15
-20
-25
-30
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
3/6
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
March 2012
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
