買家頻道

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買家頻道簡介

買家頻道

買家簡介

欲購買產品

MATV equipment

欲購買產品之描述

1 Antenna off air.mast mounted antennas:
a.Weatherproof single-channel or broadband type,
constructed of high-strength anodized aluminum
and rated to survive in a 100 km/h wind,
minimum

2 Head End equipment:
a.antenna combiner
Directional coupler design network, combining
up to eight antenna signals into a single out-
put.
Frequency response 5 - 400Mhz
Insertion loss between input port not less
than 40 dB.
b.down lead amplifier
1. Frequency Response: Plus or minus 0.75 dB.
2. Minimum Input: Minus 20 dBmV.
3. Return Loss: 14 dB.
4. I/O Impedance: 75 ohms.
c.channel mixers
1. Insertion Loss (Maximum 54 to 216 MHz): 2.5
dB.
2. Return Loss: 14 dB.
3. Out-of-Band Rejection: 12 dB.
4. I/O Impedance: 75 ohms.
d.processor
1. Bandwidth: 6 MHz.
2. Return Loss: 16 dB, within the 6-MHz
bandwidth.
3. Noise: Not more than 10 dB at maximum gain.
4. Input Level Range, VHF: Minus 20 to plus 30
dBmV.
5. Input Level Range, UHF: Minus 20 to plus 25
dBmV.
6. Output Level Range: 50 to 60 dBmV.
7. Carrier-to-Noise Ratio: Minus 57 dB at plus
10-dBmV input.
8. Automatic Gain Control: Plus or minus 1-dB
output variation for rated input level
range variation.
9. Frequency Stability: Plus or minus 10 kHz
over the operational temperature range.
10. Spurious Output: 60 dB below the video
carrier with video-carrier output level at
plus 60 dBmV and audio-carrier level at
plus 45 dBmV.
11. Adjacent Channel Rejection: Not less than
60 dB.
12. I/O Impedance: 75 ohms.
e.broad band amplifier
1. Frequency Range: 54 to 220 MHz.
2. Frequency Response: Plus or minus 1 dB
across pass-band.
3. Maximum Noise: 10 dB.
4. Minimum Return Loss: 16 dB.
5. I/O Impedance: 75 ohms.
f.single channel amplifier
1. Frequency: 6 MHz for specified channel.
2. Frequency Response: Plus or minus 0.5 dB.
3. Maximum Noise: 10 dB.
4. Minimum Return Loss: 14 dB.
5. Automatic Gain Control: Plus or minus 1-dB
output variation for rated input level
range variation.
6. Skirt Rejection: Minus 26 dB at plus or
minus 5 MHz from channel center.
7. Sound Trap: Adjustable to 10 VdB of
attenuation of the sound carrier.
8. I/O Impedance: 75 ohms.
g.FM module
1. Frequency Range: Between 88 and 108 MHz.
2. Output Level: 52 dBmV.
3. Output Level Control: Plus or minus 10 dB.
4. Stability: 0.005 percent, crystal
controlled.
5. Sensitivity: 3 mV for 30-dB quieting.
6. Input Level: 60 mV, stereo.
7. Image Rejection: 901 dB.
8. Pass-band: 200 kHz.
9. Selectivity: Plus or minus 150 kHz or
less, at 30 dB down. Plus or minus 250 kHz
or less,at 50 dB down.
h.Combining network
1. Pass-band: As required by system
performance.
2. Distortion: Not more than plus or minus
0.1 dB over any 6-MHz segment.
3. Distortion: Not more than plus or minus
0.5 dB over the 54- to 216-MHz frequency
range.
4. Nominal Insertion Loss:
a. 15 dB maximum, channel input to
single-system output.
b. 13 dB maximum, channel input to mixer
output.
c. 20 dB maximum at test point, e.g., loss
from trunk output.
5. Isolation between any Two Inputs: 30 dB.
6. I/O Impedance: 70 ohms.

3 Distribution equipment:
a.Signal power splitters and isolation taps
1. Return Loss: 7 dB.
2. RFI Shielding: 100 dB.
3. Isolation: 25 dB.
4. I/O Impedance: 75 ohms.
b.Distribution system amplifier
c.Cable system power supplies
d.Signal traps
e.Attenuators(passive)
f.Terminating resistors-
Enclosed units rated 0.5 W
g.Flush female outlet
4 Coaxial Cables and connectors
a. *RG 6 (75 ohms)
b. *RG 11 (75 ohms)

公司介紹

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公司基本資料

公司名稱:	**********
聯絡人:	Aron Sensal
Email:	加入推薦信籃
電話:	**********
傳真:	**********
國家:	Saudi Arabia