Cisco Model GS7000 4-Port Node 1 GHz with 42 54 Split Data Sheet
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Page 9 of 15
RF Section Specifications
General Station Performance
Units
Forward
Reverse
Notes
Pass Band
MHz
86-1002
5-65
Input/Output Port Return Loss
dB
17
16
Hum Modulation @ 12 A
dB
70 (86-870 MHz)
60 (870-1002 MHz)
60 (5-10 MHz)
70 (11-65 MHz)
Hum Modulation @ 15 A
dB
65 (86-870 MHz)
60 (870-1002 MHz)
60 (5-10 MHz)
65 (11-65 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
Internal Tilt (±1 dB)
dB
14.0
2,4
Port to Port Isolation
dB
65 (86-750 MHz)
55 (751-1002 MHz)
Noise Figure @… 86 MHz
1002 MHz
1002 MHz
dB 14.0
12.0
3
Reference Output Levels @… 1002 MHz
870 MHz
750 MHz
650 MHz
550 MHz
86 MHz
870 MHz
750 MHz
650 MHz
550 MHz
86 MHz
dBmV 49.5
47.5
45.7
44.0
42.5
35.5
45.7
44.0
42.5
35.5
Reference Output Tilt (86-1002 MHz)
dB
14.0
2,5
64 PAL B/G channels (CW) with digital
11
Composite Triple Beat
dB
79
6
Cross Modulation
dB
69
6,10
Composite Second Order (high side)
dB
70
6
64 PAL I channels (CW) with digital
12
Composite Beat
dB
72
6
Cross Modulation
dB
68
6,10
42 CENELEC channels (CW)
13
Composite Triple Beat
dBuV
112.5
Cross Modulation
dBuV
111
Composite Second Order (high side)
dBuV
115
78 NTSC channels (CW) with digital
8
Composite Triple Beat
dB
78
6
Cross Modulation
dB
68
6,10
Composite Second Order (high side)
dB
70
6
Reverse Station Performance
Units
Reverse
Notes
Amplifier Type
-
GaAs FET
Operational Gain (minimum)
dB
-2
7
Frequency Response
dB
0.5
Internal Tilt (+/- 1 dB)
dB
0
Path to Path Isolation
dB
55
Noise Figure
dB
7.5
9
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.