ASL552
Wideband Linear Push-pull Amplifier MMIC
Frequency (MHz)
Noise Figure (dB)
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3 (dBm)
Output IP2
3)
3)
1),2)
1)
50
2.5
15
-15
-12
26
44
79
500
2.8
14.9
-15
-18
26
44
74
76
73
8
240
860
3.1
14.3
-12
-14
26
44
75
APPLICATION CIRCUIT
CATV Push-Pull
2 : 1 transformer
50 ~ 1000 MHz
+8 V
(dBm)
CSO (dBc)
CTB (dBc)
Device Voltage (V)
Current (mA)
.
1) OIP3 and OIP2 are measured with two tones at an output power of +9 dBm/tone se-
parated by 6 MHz.
2) OIP2 is measured at F1+F2 Frequency.
3) 60 channels, +42 dBmV per channel (measured at output), measured at 543.25MHz.
Schematic
Vs=8 V
Board Layout (FR4, 40x40 mm
2
, 0.8T)
Note: MABA-007681 2:1 impedance transformers
are used.
C4=1 uF
R1=150
W
C3=68 pF
L1=270 nH
C1=1 nF
2:1
transformer
L2=220 nH
C2=100 pF
L3=68 nH
RF OUT
2:1
transformer
ASL552
C6=100 pF
C5=1 nF
RF IN
L4=270 nH
L5=220 nH
L6=68 nH
C7=68 pF
C8=1 uF
R2=150
W
Vs=8 V
S-parameters
25
0
20
-5
Gain (dB)
-10
15
S11 (dB)
-15
10
-20
5
-25
0
0
100
200
300
400
500
600
700
800
900
1000
-30
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
0
Frequency (MHz)
-5
-10
S22 (dB)
-15
-20
-25
-30
0
100
200
300
400
500
600
700
800
900
1000
Frequency (MHz)
6/10
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
June 2011
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
