Cisco Model GS7000 4-Port Node 1 GHz with 65 86 Split Ficha De Dados
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RF Section Specifications
General Station Performance
Units
Forward
Reverse
Notes
Pass Band
MHz
54-1002
5-42
Input/Output Port Return Loss
dB
17
16
1,5
Hum Modulation @ 12 A
dB
70 (54-870 MHz)
60 (871-1002 MHz)
60 (5-10 MHz)
70 (11-42 MHz)
Hum Modulation @ 15 A
dB
65 (54-870 MHz)
60 (871-1002 MHz)
60 (5-10 MHz)
65 (11-42 MHz)
Test Points (±0.5 dB)
dB
-20
-20
Forward Station Performance
Units
7.5 dB I/S EQ w/3 dB I/S Pad
Notes
Amplifier Type
-
GaAs FET
Operational Gain (minimum)
dB
32
1
Frequency Response
dB
0.5
1
Internal Tilt (±1 dB)
dB
14.5
1,2
Port to Port Isolation
dB
65 (54-750 MHz)
55 (751-1002 MHz)
1
Noise Figure @… 54 MHz
1002 MHz
1002 MHz
dB 14.0
12.0
1
Reference Output Levels @… 1002 MHz
870 MHz
750 MHz
650 MHz
550 MHz
55 MHz
870 MHz
750 MHz
650 MHz
550 MHz
55 MHz
dBmV 49.5
47.5
45.7
44.0
42.5
35.0
45.7
44.0
42.5
35.0
Reference Output Tilt (55-1002 MHz)
dB
14.5
2,3
78 NTSC channels (CW) with digital
6
Composite Triple Beat
dB
78
4
Cross Modulation
dB
68
4,8
Composite Second Order (high side)
dB
70
4
94 NTSC channels (CW) with digital
7
Composite Triple Beat
dB
73
4
Cross Modulation
dB
65
4,7
Composite Second Order (high side)
dB
67
4
Reverse Station Performance
Units
Reverse
Notes
Amplifier Type
-
GaAs FET
Operational Gain (minimum)
dB
-2
5
Frequency Response
dB
0.5
5
Internal Tilt (+/- 1 dB)
dB
0
5
Path to Path Isolation
dB
55
5
Noise Figure
dB
7.5
5
Notes:
1.
1.
Forward performance is for station from output of optical Rx to node RF output port, with 0 dB pad in optical interface board (OIB), any
forward configuration module, 3 dB interstage (I/S) pad, 7.5 dB linear I/S EQ, factory select output pad, and signal director jumper.
Includes OIB losses.
forward configuration module, 3 dB interstage (I/S) pad, 7.5 dB linear I/S EQ, factory select output pad, and signal director jumper.
Includes OIB losses.
2.
Reference output tilt and internal tilt are both “Linear” tilt.
3.
The forward reference output tilt specified is achieved via field installation of appropriate linear I/S EQ, in conjunction with the internal tilt
of the launch amplifier and the tilt associated with the optical link (transmitter/receiver combination).
of the launch amplifier and the tilt associated with the optical link (transmitter/receiver combination).
4.
Stated distortion performance is for launch amplifier section operated at reference output levels and tilts. Full station performance can be
determined by combining optic performance and launch amplifier performance.
determined by combining optic performance and launch amplifier performance.
5.
Reverse performance is for station from reverse input port to input of reverse optical transmitter module, with 0 dB reverse input pad.
6.
“Digital” refers to 550 - 1002 MHz loading with QAM carriers at -6 dB relative to analog video carrier levels.
7.
“Digital” refers to 650 - 1002 MHz loading with QAM carriers at -6 dB relative to analog video carrier levels.
8.
X-mod (@ 15.75 kHz) specified using 100% synchronous modulation and frequency-selective measurement device.
Unless otherwise noted, specifications reflect typical performance and are referenced to 68
F (20 C). Specifications are based
upon measurements made in accordance with SCTE/ANSI standards (where applicable), using standard frequency assignments.