ASL551 Datasheet, PDF (8/11 Pages) Advanced Semiconductor Business Inc. – Wideband Linear Push-pull Amplifier MMIC

ASL551
Wideband Linear Push-pull Amplifier MMIC
APPLICATION CIRCUIT
CATV Push-Pull
1 : 1 transformer
High Linearity
50 ~ 1000 MHz
+8 V
Schematic
Vs=8 V
Note: MABA-007159 1:1 impedance transformers
are used.
Frequency (MHz)
50
500
860
Noise Figure (dB)
1.75
1.9
2.15
Magnitude S21 (dB)
20.3
19.6
18.8
Magnitude S11 (dB)
-20
-17
-20
Magnitude S22 (dB)
-20
-17
-17
Output P1dB (dBm)
28
28
28
Output IP3¹⁾ (dBm)
42
45
43
Output IP2^1),2) (dBm)
74
72
65
Device Voltage (V)
8
.
Current (mA)
360
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.
Board Layout (FR4, 40x40 mm², 0.8T)
RF IN
R3=51 kW
C1=1 uF
1:1
transformer
C5=1 uF
R4=51 kW
R1=470 W
C3=1 uF
ASL551
C7=1 uF
R2=470 W
C4=10 uF
L1=1 uH
(LQH31CN1R0M03)
C2=1 uF
RF OUT
C9=0.5 pF
1:1
transformer
C6=1 uF
L2=1 uH
(LQH31CN1R0M03)
C8=10 uF
S-parameters
Vs=8 V
25
0
-5
20
-10
15
-15
10
-20
5
-25
0
0 100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
0
-30
0 100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
-5
-10
-15
-20
-25
8/11
-30
0 100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
ASB Inc. · [e-mail] · Tel: [phone]
June 2012