ASL551
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
1),2)
1)
APPLICATION CIRCUIT
CATV Push-Pull
1 : 1 transformer
High Linearity
50 ~ 1000 MHz
+8 V
50
1.75
20.3
-20
-20
28
42
74
500
1.9
19.6
-17
-17
28
45
72
8
360
860
2.15
18.8
-20
-17
28
43
65
.
(dBm)
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.
Schematic
Vs=8 V
Board Layout (FR4, 40x40 mm
2
, 0.8T)
Note: MABA-007159 1:1 impedance transformers
are used.
C4=10 uF
R3=51 kW
C1=1 uF
1:1
transformer
R1=470
W
C3=1 uF
L1=1 uH
(LQH31CN1R0M03)
C2=1 uF
1:1
transformer
RF OUT
ASL551
RF IN
C9=0.5 pF
C5=1 uF
R4=51 kW
C7=1 uF
R2=470
W
C6=1 uF
L2=1 uH
(LQH31CN1R0M03)
C8=10 uF
S-parameters
25
Vs=8 V
0
20
-5
-10
Gain (dB)
15
S11 (dB)
0
100
200
300
400
500
600
700
800
900
1000
-15
10
-20
5
-25
0
-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)
8/11
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7220
June 2012
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
