ASL552 Datasheet, PDF (5/10 Pages) Advanced Semiconductor Business Inc. – Wideband Linear Push-pull Amplifier MMIC

APPLICATION CIRCUIT
CATV Push-Pull
1 : 1 transformer
50 ~ 1000 MHz
+8 V
Schematic
Vs=8 V
Note: MABA-007159 1:1 impedance transformers
are used.
C5=10 uF
ASL552
Wideband Linear Push-pull Amplifier MMIC
Frequency (MHz)
50
500
860
Noise Figure (dB)
3.6
3.3
3.5
Magnitude S21 (dB)
11.4
11.2
11
Magnitude S11 (dB)
-18
-15
-18
Magnitude S22 (dB)
-20
-16
-15
Output P1dB (dBm)
26
26
26
Output IP3¹⁾ (dBm)
43.5
48.5
45
Output IP2^1),2) (dBm)
68
70
67
CSO³⁾ (dBc)
76
CTB³⁾ (dBc)
73
Device Voltage (V)
8
.
Current (mA)
240
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.
3) 60 channels, +42 dBmV per channel (measured at output), measured at 543.25MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
RF IN
C3=1.5 pF ^{R1=300 W}
C1=560 pF
1:1
transformer
C6=560 pF
C4=1 uF
ASL552
L1=1 uH
(LQH31CN1R0M03)
C2=310 pF
1:1
C7=310 pF ^transformer
RF OUT
C8=1.5 pF R2=300 W
C9=1 uF
L2=1 uH
(LQH31CN1R0M03)
C10=10 uF
S-parameters
Vs=8 V
20
0
-5
15
-10
10
-15
5
0
0 100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
0
-20
-25
-30
0
100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
-5
-10
-15
-20
-25
5/10
-30
0
100 200 300 400 500 600 700 800 900 1000
Frequency (MHz)
ASB Inc. · [e-mail] · Tel: [phone]
June 2011