Техническая Спецификация для Cisco Model 6109 6 MHz Off-Air Reference (NTSC)
Specifications
RF / IF
Value
RF Input Frequency Range
Channels 2-13
RF Input Level
-15 dBmV to +15 dBmV (maximum level > +40 dBmV)
RF Frequency Accuracy
±1 kHz from nominal carrier frequency per FCC requirement
73.1545.
Note: The nominal frequency may be offset by +10 kHz
or -10 kHz per FCC requirement 73.606.
73.1545.
Note: The nominal frequency may be offset by +10 kHz
or -10 kHz per FCC requirement 73.606.
RF Input Impedance
75 ohms, nominal
RF Input Return Loss
>12 dB across tuned channel
IF Video Carrier Frequency
45.75 MHz
±2.5 kHz
Program IF Input Level
+31 dBmV to +45 dBmV
Program IF Input Impedance
75 ohms, nominal
Program IF Input Return Loss
>17 dB from 41 MHz to 47 MHz
6 MHz Reference Output
Value
Output Frequency
6.00 MHz
±380 Hz (sine wave)
Output Level
0.6 to 1.3 V p-p
General
Value
Input Powering
90 V AC to 130 V AC, 60 Hz, or 40 to 80 V DC, 25 W max.
Chassis
1.75 inch rack mount (per EIA Standard RS-310-C)
Ambient Operating Temperature
0
°C to +50°C
Relative Humidity
5% to 95%, non-condensing
Remote Control
Scientific-Atlanta SMC II Interface
Rear Panel View
Continuum is a registered trademark of Scientific-Atlanta, Inc.
Scientific-Atlanta and the Scientific-Atlanta logo are registered trademarks of Scientific-Atlanta, Inc.
Specifications and product availability are subject to change without notice.
1999 Scientific-Atlanta, Inc. All rights reserved.
Scientific-Atlanta, Inc.
1-800-722-2009 or 770-903-6900
Scientific-Atlanta and the Scientific-Atlanta logo are registered trademarks of Scientific-Atlanta, Inc.
Specifications and product availability are subject to change without notice.
1999 Scientific-Atlanta, Inc. All rights reserved.
Scientific-Atlanta, Inc.
1-800-722-2009 or 770-903-6900
www.sciatl.com
Part Number 713720 Rev A
September 1999