Cisco GainMaker Optoelectronic Node 1GHz with 65 86 MHz Split 数据表
GainMaker Optoelectronic Node – 5-55/70-1002 MHz
5
RF Section Specifications
General Station Performance
Units
Forward
Reverse
Notes
Pass Band
MHz
70-1002
5-55
Return Loss
dB
16
16
7
Hum Modulation @ 12 A
dB
70 (70-870 MHz)
60 (870-1002 MHz)
60 (5-10 MHz)
70 (11-55 MHz)
Hum Modulation @ 15 A
dB
65 (70-870 MHz)
60 (870-1002 MHz)
60 (5-10 MHz)
65 (11-55 MHz)
Test Points (±0.5 dB)
dB
-20
-20
Launch Amplifier Performance - Forward
Units
HGD
HGBT
Notes
Operational Gain (minimum)
dB
43
41
2
Frequency Response
dB
±0.5
±0.5
Internal Tilt (±1 dB)
dB
14.3
14.3
1,3
Noise Figure @… 70 MHz
1002 MHz
1002 MHz
dB 8.5
8.0
8.5
8.0
8.0
2
Reference Output Levels @… 1002 MHz
870 MHz
750 MHz
650 MHz
550 MHz
70 MHz
870 MHz
750 MHz
650 MHz
550 MHz
70 MHz
dBmV 49.5
47.5
45.7
44.0
42.5
35.3
45.7
44.0
42.5
35.3
49.5
47.5
45.7
44.0
42.5
35.3
47.5
45.7
44.0
42.5
35.3
Reference Output Tilt (70-1002 MHz)
dB
14.2
14.2
1,4
64 PAL B/G channels (CW) with digital
10
Composite Triple Beat
dB
81
79
5
Cross Modulation
dB
73
70
5,15
Composite Second Order (high side)
dB
70
70
5
64 PAL I channels (CW) with digital
11
Composite Beat
dB
74
72
5
Cross Modulation
dB
72
69
5,15
42 CENELEC channels (CW)
14
Composite Triple Beat
dBuV
113.5
112.5
Cross Modulation
dBuV
112.5
111.5
Composite Second Order (high side)
dBuV
115.0
115.0
78 NTSC channels (CW) with digital
9
Composite Triple Beat
dB
80
78
5
Cross Modulation
dB
72
69
5,15
Composite Second Order (high side)
dB
70
70
5
Forward Insertion Loss
Optical Interface Board and Plug-Ins
Optical Interface Board and Plug-Ins
(Loss from specified optical receiver RF output to launch amplifier RF input)
Units
with Redundancy
Module installed
Notes
Receiver position 1
dB
1.5
12
Receiver position 2
dB
1.5
12
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.