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현재위치: > 공학교육장비 > 정보통신
정보통신
Satellite TVRO
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SIP399C Satellite Receiver System (TVRO)

The TVRO System provides both NTSC and PAL signals. Students learn how to receive TV signals and how to direct and adjust the Satellite Dish. They also study the various electronic circuits contained within the Satellite Receiver. The course provides for approximately 60 hours of instruction.

EQUIPMENT SPECIFICATIONS

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Panel measures approximately 11 x 14 inches.

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Painted on one side with black lines; mask on PCB side.

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Operates in the C-band, 3.7-4.2 GHz.

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Low Noise Block Down-Converter:
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Noise Figure: 25°K

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Gain: 64 dB

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Output Frequency: 950-1450 MHz

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Polarization is controlled by switched voltage.

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Receiver Tuner Output Baseband: 50 Hz to 10.5 MHz.

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IF Frequency: 479.5 MHz.

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Bandwidth: 27/16 MHz (switchable).

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Phase-Locked Loop (PLL) Electronic Tuning.

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Filtering per CCIR for 525 lines (NTSC).

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Switchable to 625 lines for PAL, followed by a 5 MHz low-pass filter.

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Audio Subcarrier: 5-8 MHz, tunable.

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Video Amplifier: Switchable with clamping.

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Frequency Tuning:

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One continuous.

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Two may be preset with memory sections for storage of 24 channels

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Antenna Controls enable the user to position the dish to any one of the many Geosynchronous Satellites above the Equator.

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In the Northern and Southern Hemispheres, approximately 400 TV channels are available.

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Dish Size: 10.3 feet in diameter.

bullet Antenna System may operate in either the C-band or the Ku-band, depending on the Low Noise Block Frequency (LNBF) converter used.

REQUIRED EXTRA EQUIPMENT
Power Supply Base (S300PSB)
All equipment operates on 120/240 VAC, 50/60 Hz.

LABORATORY MANUAL
The following Table of Contents indicates the scope of the material and experimentation provided by this course.

  1. Advantages and Disadvantages of TVRO

  2. Geosynchronous Satellites

  3. Footprints and EIRP

  4. Receiver Carrier-to-Noise Ratio and Figure-of-Merit

  5. Transponders

  6. The Electromagnetic Spectrum

  7. C-Band and Ku-Band Characteristics

  8. Satellites, Satellite Operations, Audio/Visual Channels

  9. C-Band Geosynchronous Satellite Locations

  10. Sun Transit Outages

  11. Losses and Link-Power Budget Calculations

  12. Parabolic Antenna Gain and Beamwidth Calculations

  13. Noise, Noise Factor, and Noise Figure

  14. Receiver Input Power and Voltage Calculations

  15. Site Survey Procedures

  16. Graphical and Numerical Solutions for Azimuths and Elevations

  17. Computation of the Limits of Visibility and Slant Range

  18. Antenna Pole Mounting

  19. Antenna and LNBF Assembly and Alignment

ORDERING INFORMATION
SIP399-1P Satellite TVRO Insertion Panel (Specify NTSC or PAL RF Modulator)
SIP399M Satellite Television Receiving System Manual

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10-Foot Parabolic Antenna with Polar Mounting

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Antenna Positioning Controller and Actuator

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C-Band Low-Noise Block Frequency Amplifier and Feedhorn

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Optional Dielectric Block for Reception of Right and Left Circularly Polarized Signals

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All Cabling and Assembly Hardware

bullet TOTAL WEIGHT: 225 lbs (102 Kg)
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