The document discusses the equipment required for a broadband cable system between the headend and a customer's installation, including: 1) Satellites spaced every 2 degrees above Earth transmitting in C-band and L-band frequencies. 2) A headend containing a TV transmitter connected to customers via fiber optic cables and coaxial cables. 3) Equipment at the customer's installation including filters and cable drops of various types (RG-59, RG-6, etc.) to transmit signals from 50MHz to 1000MHz.

1. Broadband System - M
Satellites are spaced every
2nd degrees above earth
"C" Band
Toward satellite 6.0 GHz "L" Band
Toward earth 4.0 GHz Toward satellite 14.0 GHz
Toward earth 12.0 GHz
TV
TRANSMITTER
Headend
Cable area
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Customer’s Installation.

2. Customer’s Installation
This section will coverts equipments required between these two points.
15 km
Fiber section 2.0 km
Coaxial section
Headend
35
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3. Customer’s Installation
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4. Customer’s Installation
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5. Customer’s Installation
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6. Customer’s Installation
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7. Customer’s Installation
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8. Customer’s Installation
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9. Customer’s Installation
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10. Customer’s Installation
Response of a High Pass Filter for none Cablemodem installation.
5 50 1000 MHz
This High Pass Filter is often installed at all the customer premise, where
no Cablemodem service is required. This help keep the return system free
of Ingress, coming from customer.
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11. Customer’s Installation
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12. Customer’s Installation Material.
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13. Customer’s Installation Material.
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14. Customer’s Installation Material.
Technical specifications of the two drop cable used in a Broadband System;
RG-59
RG- RG-6
RG- RG-7
RG- RG-11
RG-
MHz dB100’ MHz dB100’ MHz dB100’ MHz dB100’
5 0.86 5 0.58 5 0.47 5 0.38
50 1.95 50 1.53 50 1.19 50 0.92
450 5.40 450 4.40 450 3.46 450 2.75
550 5.95 550 4.90 550 3.85 550 3.04
750 6.97 750 5.65 750 4.57 750 3.65
870 7.53 870 6.11 870 4.94 870 3.99
Above specifications are at 68 Degree F.
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15. Customer’s Installation Material.
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16. Customer’s Installation Material.
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