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HV-100EH

全高畫質數位電視調變器

HDMI/複合視訊(CVBS)轉 DVB-T・1.2GHz HAM TV 適用

50~950 MHz, 1200~1350 MHz

HV-100EH 為 HV-100E 針對業餘無線電 HAM TV 應用推出的特別版本;HV-100EH 可支援至 1.2G 頻段與高 RF 功率(-18dBm),惟 950MH~1350MHz 頻段內的二次與三次諧波未經良好濾除。

50~950 MHz / 1200~1350 MHz · 2~8 MHz bandwidth · DVB-T EN 300-744

產品資料 — HV-100EH

04 · DVB-T 全高畫質調變器

特色

  • 01 低成本高畫質影像分配 — 相容於既有的高畫質電視機,無需額外轉接裝置,接收機數量也不受限制。分配器、放大器、接頭等所有周邊,皆與一般電視所用者相同。
  • 02 多樣化影像輸入與格式 — 支援 HDMI/DVI 與複合式(CVBS)影像輸入。除了 H.264/MPEG2 高畫質之外,亦支援 MPEG2 標準畫質格式,可相容於既有的標準畫質電視機或機上盒。
  • 03 設定簡便 — 頻道號碼可透過內建按鍵開關輕鬆設定。更進階的設定可由 PC/NB 或平板等外部主機透過 USB 介面完成。
  • 04 穩定可靠、傳輸距離長 — 只需一條 3C2V/RG59 纜線即可輕鬆傳送 1080p 影像達至少 500 公尺,中途無需加裝任何轉發器。用於無線應用時,在 0dBm RF 輻射功率下視距傳輸距離可達 50~100 公尺,在 20 dBm 下可達數公里。實際距離取決於天線設計與接收機品質。另提供差動 RF 輸出,可改用雙絞線(電話線或乙太網路 RJ-45)取代笨重的同軸纜線來分配 RF 訊號。
  • 05 串接佈線(匯流排拓撲) — 多台設定為不同頻道的 HV-100 可共用同一條纜線,大幅降低佈線的成本與工時。
  • 06 即時協定與低延遲 — 在 QEF(準無誤碼)條件下不掉幀,且傳輸延遲低

規格

General Specifications

Input
Video: CVBS, HDMI 1.3 (with HDMI loop-thru); Audio: Stereo line-in or HDMI PCM audio-in (HDMI PCM audio-in supports up to stereo 96KHz, 24bits)
Compression
Video: H.264 or MPEG2; Audio: AAC or MPEG
Resolution — Input (CVBS)
720x480x30I (NTSC, D1); 720x576x25I (PAL, D1)
Resolution — Input (HDMI)
720x480x30I (NTSC, D1); 720x576x25I (PAL, D1); 1280x720x24P; 1280x720x50I/1280x720x50P; 1280x720x60I/1280x720x60P; 1920x1080x24P; 1920x1080x50I/1920x1080x50P; 1920x1080x60I/1920x1080x60P
Resolution — Output (H.264)
1920x1080x25P; 1600x1080x24P/1600x1080x25P/1600x1080x30P; 1440x1080x24P/1440x1080x25P/1440x1080x30P; 1280x1080x24P/1280x1080x25P/1280x1080x30P; 1280x720x24P/1280x720x25P/1280x720x30P; 704x576x25P (PAL, D1); 704x480x30P (NTSC, D1); 352x576x25P (PAL, Half D1); 352x480x30P (NTSC, Half D1)
Resolution — Output (MPEG2)
1280x1080x24P/1280x1080x25P/1280x1080x30P; 1280x720x24P/1280x720x25P/1280x720x30P; 704x576x25P (PAL, D1); 704x480x30P (NTSC, D1); 352x576x25P (PAL, Half D1); 352x480x30P (NTSC, Half D1)
Power
DC 9~24V; Power Consumption 0.7A@12V
Operating Temperature
-10°C ~ 60°C

DVB-T RF Transmitter Specifications

TV Standard
HV-100EH: DVB-T EN-300 744
RF connector
75-Ω F-type connector and two-wire terminal for twisted pairs (differential RF output)
Bandwidth
HV-100EH: 2/3/4/5/6/7/8 MHz
FFT
2K, 8K
Code rate
1/2, 2/3, 3/4, 5/6, 7/8
Guard interval
1/4, 1/8, 1/16 or 1/32
Frequency range
50~950MHz, 1200~1350MHz step size 1KHz; DVB-T channels: VHF 6M BW/UHF 6M BW: Channel: CH7~CH83; VHF 7M BW/UHF 7M BW: Channel: CH5~CH69; VHF 8M BW/UHF 8M BW: Channel: CH5~CH69
Segment & Layer
HV-100EH: n/a
Time Interleaver
HV-100EH: n/a
RF Output Level
50-950 MHz -3 dBm (105 dBuV) typically (Differential output less by 6~7 dB); HV-100EH (HV-100E HAM TV version): 1200-1350 MHz -18~-20 dBm (88~90 dBuV) typically, without Differential output
Digital Gain/Attenuator for Fine Tuning
Range: +5dB~-10dB, Step size 1dB
MER
50~950MHz, 35 dB Typically; 1200~1350MHz, 25dB Typically (HV-100EH)
Spectrum Shoulder (Adjacent channel)
45dB
Phase noise
<-92dBc @ 10kHz
Carrier Suppression
>42dB
  • Note: output formats supported depend on the video input formats. The frame rate should be consistent and the encoded video frame size should be less or equal to the original input.
  • Specifications are subject to change without prior notice.
  • There could be MER loss in high gain/attenuation level.

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