MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
The RF Line
CATV Amplifier Module
MHW8272A
Features
•
•
•
•
Specified for 128-Channel Loading
Excellent Distortion Performance
Silicon Bipolar Transistor Technology
Unconditionally Stable Under All Load Conditions
870 MHz
27.7 dB GAIN
128-CHANNEL
CATV AMPLIFIER MODULE
Applications
• CATV Systems Operating in the 40 to 870 MHz Frequency Range
• Input Stage Amplifier in Optical Nodes, Line Extenders and Trunk
Distribution Amplifiers for CATV Systems
• Driver Amplifier in Linear General Purpose Applications
• Output Stage Amplifier on Applications Requiring Low Power Dissipation
Description
• 24 Vdc Supply, 40 to 870 MHz, CATV Forward Amplifier Module
CASE 1302-01, STYLE 1
MAXIMUM RATINGS
Symbol
Value
Unit
RF Voltage Input (Single Tone)
Rating
Vin
+55
dBmV
DC Supply Voltage
VCC
+28
Vdc
Operating Case Temperature Range
TC
-20 to +100
°C
Storage Temperature Range
Tstg
-40 to +100
°C
ELECTRICAL CHARACTERISTICS (VCC = 24 Vdc, TC = +30°C, 75 Ω system unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
BW
Frequency Range
40
—
870
MHz
Power Gain
50 MHz
870 MHz
Gp
26.2
27
27.2
27.7
27.8
29.5
dB
Slope
40 - 870 MHz
S
0
0.6
2
dB
GF
—
0.4
0.8
dB
20
—
—
—
—
0.007
dB
dB/MHz
—
-69
- 64
—
-65
- 62
—
-69
- 64
NF
—
—
—
6.0
5.5
7.0
dB
IDC
280
310
350
mA
Gain Flatness (40 - 870 MHz, Peak to Valley)
Return Loss — Input/Output (Zo = 75 Ohms)
@ 40 MHz
@ f > 40 MHz (Derate)
IRL/ORL
Composite Second Order
(Vout = + 38 dBmV/ch., Worst Case)
128-Channel FLAT
CSO128
Cross Modulation Distortion @ Ch 2
(Vout = + 38 dBmV/ch., FM = 55 MHz)
128-Channel FLAT
Composite Triple Beat
(Vout = + 38 dBmV/ch., Worst Case)
128-Channel FLAT
Noise Figure
DC Current (VDC = 24 V, TC = 30°C)
50 MHz
870 MHz
XMD128
CTB128
dBc
dBc
dBc
REV 2
MOTOROLA CATV DISTRIBUTION
AMPLIFIER MODULE DEVICE DATA
MHW8272A
3.1- 59
