HER-6000DA Multi-Channel 8VSB Remodulator & D to A Modulator
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작성자 플래너스 댓글 0건 조회 518회 작성일 21-02-08 10:32본문
휴톤의 최신 Multi-Channel 8VSB Remodulator & D to A Modulator는 ATSC(8VSB) 표준 규격에 부합하는 국내 디지털 지상파 재전송을 위한 최적의 솔루션으로서, 4RU에 최대 5 채널까지 수용하면서 채널간 간섭이 없는 장비입니다. HER-6000DA는 안테나에서 수신된 국내 디지털 지상파 신호를 Demodulation하여 수신 중에 생길 수 있는 신호 내의 Ghost나 Noise를 제거하는 Error Correction 과정을 거친 후 ATSC(8VSB) 표준 규격으로 변조된 Digital RF와 동시에 NTSC Analog RF로 송출하여 주는 장비입니다.
GENERAL FEATURES
- 5CH-Standard ATSC (A.53) demodulation and modulation
- 5CHs of Digital to Analog modulation
- Digital RF and Analog RF output at a time
- Digital terrestrial RF input frequency (54 ~ 864 MHz)
- Available at low RF input level (minimum 40 dBuV)
- Real time error correction
- Automatic system error monitoring & Re-activation
Input Specification
- Standard ATSC(8VSB) RF
- Number of channels : Up to 5 channels
- RF Input Frequency : 54 ~ 864 MHz
- RF Input Level : 40 ~ 85 dBuV
Data Processing
- ATSC 8VSB demodulation & modulation
- ATSC 8VSB demodulation & Analog modulation
- 19.392658 Mbps of bit rate processing
- Real time error correction
- Automatic system error monitoring
- Automatic system re-activation
- RF up-converting
Physical and Power
- Dimension : 485mm(W) x 180mm(H) x 390mm(D)
- Weight : 12 kg
- Input voltage : AC 100 ~ 240V, 50/60Hz
- Power consumption : 60 Watt
Output Specification
- Digital RF(8VSB) output & Analog RF(NTSC) output
- RF output frequency : 54 ~ 864 MHz
Digital RF(8VSB)
- RF Output Level : 0 dBm +/- 5 dB
- Spurious : less than – 60 dB
- Return Loss : more than 10 dB @ 75 ohm
- Phase Noise : Typical – 98 dBc/Hz @ 20 KHz
- Group Delay Time : +/- 50 ns
- RF Level Control Step : 1 dB
- Attenuation Level : max. 19 dB
- Signal to Noise : Typical 32 dB at RF
Analog RF(NTSC)
- RF Output Level : 115 dBuV +/- 5 dB
- Spurious : less than – 65 dB
- Return Loss : more than 16 @ 75 ohm
- Frequency Stability : +/- 12 KHz
GENERAL FEATURES
- 5CH-Standard ATSC (A.53) demodulation and modulation
- 5CHs of Digital to Analog modulation
- Digital RF and Analog RF output at a time
- Digital terrestrial RF input frequency (54 ~ 864 MHz)
- Available at low RF input level (minimum 40 dBuV)
- Real time error correction
- Automatic system error monitoring & Re-activation
Input Specification
- Standard ATSC(8VSB) RF
- Number of channels : Up to 5 channels
- RF Input Frequency : 54 ~ 864 MHz
- RF Input Level : 40 ~ 85 dBuV
Data Processing
- ATSC 8VSB demodulation & modulation
- ATSC 8VSB demodulation & Analog modulation
- 19.392658 Mbps of bit rate processing
- Real time error correction
- Automatic system error monitoring
- Automatic system re-activation
- RF up-converting
Physical and Power
- Dimension : 485mm(W) x 180mm(H) x 390mm(D)
- Weight : 12 kg
- Input voltage : AC 100 ~ 240V, 50/60Hz
- Power consumption : 60 Watt
Output Specification
- Digital RF(8VSB) output & Analog RF(NTSC) output
- RF output frequency : 54 ~ 864 MHz
Digital RF(8VSB)
- RF Output Level : 0 dBm +/- 5 dB
- Spurious : less than – 60 dB
- Return Loss : more than 10 dB @ 75 ohm
- Phase Noise : Typical – 98 dBc/Hz @ 20 KHz
- Group Delay Time : +/- 50 ns
- RF Level Control Step : 1 dB
- Attenuation Level : max. 19 dB
- Signal to Noise : Typical 32 dB at RF
Analog RF(NTSC)
- RF Output Level : 115 dBuV +/- 5 dB
- Spurious : less than – 65 dB
- Return Loss : more than 16 @ 75 ohm
- Frequency Stability : +/- 12 KHz
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