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Frenquency Agile Television Modulator



Scientific Atlanta 로고
Scientific Atlanta
2871100MK2 데이터시트, 핀배열, 회로
Headend Systems
CETUSMK II PAL D/K (B/G)
Frequency Agile Television Modulator
Description
The CETUSMK II Frequency Agile Television Modulator is a
high-quality, microprocessor controlled modulator used in large-
sized broadband networks. It is used to convert audio and video
signals into RF output signals. High performance plus agility
makes it suitable for systems requiring backup modulators.
Features
All agile channels from 47 MHz to 870 MHz
Front panel LCD and buttons for user-friendly control
Independent oscillation in IF 38 (38.9) MHz - SAW for IF and high SNR
Low differential gain and differential phase
PLL frequency composite in video carrier frequency and audio carrier frequency
Unique diode dual balance design with good linearity and low noise
Video AGC function with modulation depth of 87.5%
IF video and audio interfaces for scrambling; clamping switch for video scrambling
Automatic RF amplitude stabilizer
Local or remote status monitoring and control via RS-485
Support ROSA/ TNCS element management
19-inch (1 RU) chassis with independent power supply
www.DataSheet4U.net


2871100MK2 데이터시트, 핀배열, 회로
CETUS MK II PAL D/K(B/G)
Frenquency Agile Television Modulator
Specifications
RF
Television System
Frequency Range
Channel
IF Frequency
Video/Audio Carrier Interspace
Output Return Loss
Video Carrier Output Level
Output Level Adjustment Range
Video/Audio Carrier
Frequency Accuracy
Video Carrier Deviation
CNR
Spurious Out-band
Test Point
Connector Type
Video
Video Input Amplitude
Video Input Impedance
Video Modulation Depth
In-band Flatness
Differential Gain
Differential Phase
K Figure
Chrominance-Luminance Delay
SNR
Connector Type
Audio
Audio Input Amplitude
Audio Input Impedance
Pre-emphasis
Audio Deviation
Frequency Response
Distortion
SNR
Connector Type
Element Management
Communication Interface
Communication Format
Communication Rate
EM Supported
Others
Powering
Power Consumption
Operating Temperature
Relative Humidity
Dimensions
Weight
Units
-
MHz
-
MHz
MHz
dB
dBµV
dB
dB
kHz
kHz
dB
dB
dB
-
-
%
dB
%
°
%
ns
dB
-
V
k
µs
kHz
dB
%
dB
-
-
-
bits/s
-
V
W
°C
%
mm
kg
Specifications
PAL B/G
PAL D/K
47 to 870 (any channel)
E02-E69
DS1-DS57
38.9 38
5.5 MHz ±0.5 kHz
6.5 MHz ±0.5 kHz
10
120 (typical)
0 to 16 (in 0.5 dB step)
8 to 22 (in 0.5 dB step)
±5
±20
60
-60
-30±1.5
F connector
1Vp-p (Full TV signal, positive pole)
75
87.50
2 (within 5 MHz)
2 (typical)
2 (typical)
2 (typical)
30 (typical)
58 (weighted)
BNC
0.775
10 (not balanced)
50
±50
±0.5 dB (40 Hz to 15 kHz)
1 ( when deviation at ±60 kHz)
60
BNC
RJ-45, DB-9
RS-485, RS-232
9600
ROSA/TNCS
220 V AC±10% 50 Hz
25
+5 to +40
20 to 80
482 x 433 x 44
6.2
2




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2871100MK2

Frenquency Agile Television Modulator - Scientific Atlanta