ASL552
Wideband Linear Push-pull Amplifier MMIC
Frequency (MHz)
50
4.0
11.4
-18
-20
26
44
68
500
3.5
11.2
-15
-16
26
49
73
-
-
8
370
.
860
3.6
11
-18
-15
26
48
67
APPLICATION CIRCUIT
CATV Push-Pull
1 : 1 transformer
High Linearity
50 ~ 1000 MHz
+8 V
Noise Figure (dB)
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Output IP2
CTB (dBc)
Device Voltage (V)
Current (mA)
1),2)
1)
(dBm)
CSO (dBc)
1) OIP3 and OIP2 are measured with two tones at an output power of +14 dBm/tone
separated by 6 MHz.
2) OIP2 is measured at F1+F2 Frequency.
Schematic
Vs=8 V
Board Layout (FR4, 40x40 mm
2
, 0.8T)
Note: MABA-007159 1:1 impedance transformers
are used.
C5=10 uF
R1=30 kW
R2=300
W
C3=1.5 pF
C1=560 pF
1:1
transformer
C4=1 uF
L1=1 uH
(LQH31CN1R0M03)
C2=310 pF
1:1
transformer
RF OUT
ASL552
C6=560 pF
C7=310 pF
RF IN
C8=1.5 pF
R3=30 kW
C9=1 uF
R4=300
W
L2=1 uH
(LQH31CN1R0M03)
C10=10 uF
S-parameters
20
Vs=8 V
0
15
-40 c
o
25 c
o
85 c
o
-5
-10
-40 c
o
25 c
o
85 c
o
Gain (dB)
10
S11 (dB)
0
100
200
300
400
500
600
700
800
900
1000
-15
-20
5
-25
0
-30
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
0
Frequency (MHz)
-5
-40 c
o
25 c
o
85 c
o
-10
S22 (dB)
-15
-20
-25
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
3/10
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
June 2011
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
