Outline
XLD2500D is a cost-effective agile modulator designed by Xielide. It has 1 audio (L/R) and 1 video (CVBS) input. It gives 1 RF out (47~870MHz) through the RF output interface, and the output frequency is configurable. Audio and video source can be from satellite receiver, TV camera etc. With the features of low cost high performance, DSM2500D is very adaptable to hotel, community and entertainment spot.
Key Features
* Support 1* audio (L/R) and 1*video (CVBS) input
* Support 1*RF output, and 1 RF test port
* RF output frequency range: 47~870MHz in 1 kHz step, output frequency is configurable
* Video input AGC function
* TV System standard: PAL B/G, PAL D/K NTSC, SECAM, etc.
* Support update online
* 19' 1U standard structure
* Keyboard and LCD operation
Principle Chart
Specifications
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Input |
1* audio (L/R) input and 1*video (CVBS) |
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Video |
A/V ration |
-10~-20dB |
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Input level |
1VPP |
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Video clamping capacity |
≥26dB |
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Color / light delay difference |
≤45nS |
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Differential gain |
≤2% (Modulation 87.5%) |
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Differential phase |
≤2° (Modulation 87.5%) |
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SNR |
≥50dB |
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Image carrier drift |
≤5kHz |
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2T-K impulse ratio |
≤4% |
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Flatness in band |
≤1dB |
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Audio |
Pre-emphasis of audio |
50μs |
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Input level |
0.7V |
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SNR |
≥60dB |
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Flatness in band |
≤1dB |
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Distortion degree |
≤0.5% |
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Audio modulation frequency offset |
± 50kHz |
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V/A interval |
According to TV System standard |
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RF Output |
Interface |
1 F typed output port, 75Ω |
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Frequency range |
47~870MHz, 1kHz step |
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TV system standard |
PAL B/G, PAL D/K, NTSC, SECAM |
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Output return loss |
≥14dB |
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Output level |
≥113dBμV |
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Output level adjustable range |
0~16dB |
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Error of video/audio carrier interval |
≤5 kHz |
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Carrier to noise ratio (C/N) |
≥62dB |
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Output suppression |
≥60dB (≥130dBuV testing) |
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Flatness in band |
≤1dB |
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Frequency accuracy |
≤5kHz |
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Adjacent Frequency suppression |
≥45dB |
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System function |
Keyboard and LCD operation |
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Multiple languages |
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Ethernet software upgrade |
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Miscellaneous |
Dimension(W×L×H) |
482*256*44mm |
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Environment |
-10~45℃(work); -20~80℃ (storage） |
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Power requirements |
AC 90-264V, 50Hz |
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