R&S®CLGD是仿真有线电视网络全频道负载的多路信号发生器。
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CLGD 47MHz至1218MHzDOCSIS 全频道负载信号发生器|罗德与施瓦茨 (在产)
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罗德与施瓦茨 · Rohde & Schwarz
CLGD DOCSIS 全频道负载信号发生器
R&S®CLGD 是罗德与施瓦茨的 DOCSIS 全频道负载信号发生器。官方目录位于「信号发生器 / 广播电视信号发生器」。官方标称带宽:24 MHz至192MHz。官方技术指标共 79 组、267 项,详见「详细指标」。
产品简介
R&S®CLGD 是仿真有线电视网络全频道负载的多路信号发生器。
官方公布的主要指标:频率范围 47 MHz至1218MHz;频率 can be set as the frequency of the 0th;带宽 24 MHz至192MHz;with R&S®CLGD-K 47 MHz至1794MHz;Settable frequency range depends on selected mode。
官方公布的产品型号:CLGD、Bandwidth8、MHz、Bandwidth6、Bandwidth、NTSC6。
核心参数
• 频率范围:47 MHz至1218MHz
• 频率:can be set as the frequency of the 0th
• 带宽:24 MHz至192MHz
• with R&S®CLGD-K:47 MHz至1794MHz
• Settable frequency range:depends on selected mode
• Step size of setting:1Hz
• Setting range of sum level:12 dBmV to max. sum level
• 1 active channel:typ. ± 0.25 dB,
产品型号
• 官方型号:CLGD、Bandwidth8、MHz、Bandwidth6、Bandwidth、NTSC6
资源下载
详细指标请见 CLGD 详细指标页。
罗德与施瓦茨 Rohde & Schwarz · onetest 仪器资源库
以下为 R&S®CLGD 的官方技术指标,共 79 个指标组、267 项。
参数名以行业通用中文术语为主(其中 239 项保留官方规格书原文),数值与单位保留官方规格书原样。
频率
• with R&S®CLGD-K:47 MHz至1794MHz
• Settable frequency range:depends on selected mode
(see Operating modes on page 11)
• Step size of setting:1Hz
Downstream output low
• Maximum sum level:1 active DOCSIS 3.1 channel 1 active J.83/A/B/C channel 2 active J.83/A/B/C channels 4 active J.83/A/B/C channels 158 active J.83/A/B/C channels | 59 dBmV 62 dBmV 61 dBmV 60 dBmV 57 dBmV
• Setting range of sum level:12 dBmV to max. sum level
• Step size of setting:0.1 dB
• 1 active channel:typ. ± 0.25 dB,
max. ≤ ± 1.0 dB
• ≥ 2 active channels:max. ≤ ± 1.5 dB
Downstream output high
• Maximum sum level:1 active DOCSIS 3.1 channel 1 active J.83/A/B/C channel 2 active J.83/A/B/C channels 4 active J.83/A/B/C channels 158 active J.83/A/B/C channels | 54 dBmV 56 dBmV 55 dBmV 54 dBmV 53 dBmV
• Setting range of sum level:12 dBmV to max. sum level
• Step size of setting:0.1 dB
• 1 active channel:typ. ± 0.25 dB,
max. ≤ ± 1.0 dB
• ≥ 2 active channels:max. ≤ ± 1.5 dB
Upstream output
• Maximum sum level:1 active DOCSIS 3.1 channel 1 active 6.4MHz DOCSIS 3.0 channel 2 active 6.4MHz DOCSIS 3.0 channels 4 active 6.4MHz DOCSIS 3.0 channels | 59 dBmV 62 dBmV 61 dBmV 60 dBmV
• Setting range of sum level:12 dBmV to max. sum level
• Step size of setting:0.1 dB
• 1 active channel:typ. ± 0.25 dB,
max. ≤ ± 1.0 dB
• ≥ 2 active channels:max. ≤ ± 1.5 dB
CSO/CTB output
• Maximum sum level:1 active DOCSIS 3.1 channel 1 active J.83/A/B/C channel 2 active J.83/A/B/C channels 4 active J.83/A/B/C channels 158 active J.83/A/B/C channels | 27 dBmV 30 dBmV 29 dBmV 28 dBmV 25 dBmV
• Setting range of sum level:12 dBmV至30 dBmV
• Step size of setting:0.1 dB
• Level uncertainty:at maximum level 1 active channel typ. ± 0.25 dB,
max. ≤ ± 1.0 dB
• ≥ 2 active channels:max. ≤ ± 1.5 dB
频谱纯度
• CSO/CTB:with CW carriers in 80 channels, at | typ. 70 dB
ANSI/SCTE 161 2009
• SNR:with 157 active J.83/A/B/C channels 50 MHz至350MHz > 52 dB 350 MHz至700MHz > 51 dB 700 MHz至1000MHz > 50 dB
• Spurious:50 MHz至1000MHz 1000 MHz至1218MHz | ≤ -63 dBc ≤ -59 dBc
• Single-sideband phase noise:1 kHz至10kHz 10 kHz至100kHz 100 kHz至1MHz 1 MHz至10MHz 10 MHz至100MHz | ≤ -56 dBc ≤ -60 dBc ≤ -68 dBc ≤ -70 dBc ≤ -61 dBc
DOCSIS 3.1
• Modulation:COFDM
• 带宽:24 MHz至192MHz
subcarriers
• 频率:can be set as the frequency of the 0th
频率
• FFT size:4k (50kHz offset from carrier) 8k (25kHz offset from carrier)
• FFT size = 8k (25 kHz offset from carrier):296至4096
• MER:f = 500MHz, bandwidth = 192MHz 2 × 192MHz OFDM and 24 × J.83/A/B/C | typ. > 53 dB
• f < 600 MHz:≥ 50 dB 600MHz ≤ f < 1002MHz ≥ 47 dB 1002MHz ≤ f < 1218MHz ≥ 45 dB 1 × 24MHz OFDM
• f < 600 MHz:≥ 48 dB 600MHz ≤ f < 1002MHz ≥ 45 dB 1002MHz ≤ f < 1218MHz ≥ 43 dB
lowest PLC carrier
• PLC constellation:16QAM
• PLC content:generated internally dummy data
• external feed:data over IP
• NCP constellation:QPSK, 16QAM, 64QAM
• Cyclic prefix:0 µs, 0.9375 µs, 1.25 µs, 2.5 µs, 3.75 µs, 5 µs
• Windowing:0 µs, 0.3125 µs, 0.625 µs, 0.9375 µs, 1.25 µs
• Exclusion band:up至3 bands, each specified by start
subcarrier and number of subcarriers
• Continuous pilot parameter:48至120
• FFT size = 8k (25 kHz offset from carrier):max. 16
• Number of profiles:1至4
• Profile constellation:16QAM, 64QAM, 128QAM, 256QAM, 512QAM, 1024QAM, 2048QAM, 4096QAM
• overrange:3 | 8192QAM, 16384QAM
• Profile content:generated internally MACLFSR (PRBS)
• external feed:data over IP
J.83/A (DVB-C)
• Standard:ITU-T J.83 Annex A, EN 300429
• Modulation:single-carrier QAM
• Constellation:64QAM, 256QAM
• Symbol rate:5 Msymbol/s至6.952 Msymbol/s
• Rolloff:0.15
• Interleaver:12, 17
• MER:typ. 45 dB
• Content:generated internally PRBS, MPEG-2 transport stream
• external feed:MPEG-2 transport stream over IP
J.83/B
• Standard:ITU-T J.83 Annex B
• Modulation:single-carrier QAM
• Constellation:64QAM, 256QAM
• Symbol rate:4 Msymbol/s至5.37 Msymbol/s
• Rolloff:0.12, 0.18
• Interleaver:in line with ITU-T J.83 Annex B
• MER:typ. 45 dB
• Content:generated internally PRBS, MPEG-2 transport stream
• external feed:MPEG-2 transport stream over IP
J.83/C (ISDB-C)
• Standard:ITU-T J.83 Annex C
• Modulation:single-carrier QAM
• Constellation:64QAM, 256QAM
• Symbol rate:4 Msymbol/s至5.325 Msymbol/s
• Rolloff:0.13
• Interleaver:12, 17
• MER:typ. 45 dB
• Content:generated internally PRBS, MPEG-2 transport stream
• external feed:MPEG-2 transport stream over IP
Analog TV standards
• Standards:PAL, NTSC
• PAL:7MHz, 8MHz
• Content:color bar test pattern with 1kHz sinusoidal
Arbitrary waveform generator
• Value range:≤ ±32767
• File size:≤ 256 Mbyte
PAL with 8 MHz bandwidth
• 256QAM, J.83/B with 64QAM, J.83/B with
• 256QAM, J.83/C with 64QAM, J.83/C with
• 256QAM, ISDB-T
• for DOCSIS 3.1:DOCSIS 3.1 with 192MHz bandwidth
• 频率范围:47 MHz至1218MHz
• ARB bandwidth:≤ 10MHz
• Number of simultaneously played:max. 4
ARB waveform files
• Number of RF channels per waveform file:4 max. 160
Broadband ARB generator in fundamental frequency range
• 频率范围:47 MHz至1218MHz
• ARB bandwidth:≤ 200MHz
• ARB waveform files:100MHz < bandwidth ≤ 200MHz | 1
• Number of RF channels per waveform file:1
• when 1 file is played:≤ 340 Msample/s
• 频率范围:1218 MHz至1794MHz
• ARB bandwidth:≤ 200MHz
frequency range)
• 100 MHz < bandwidth ≤ 200 MHz:1
frequency range)
• Number of RF channels per waveform file:1
• when 1 file is played:≤ 340 Msample/s
R&S®CLGD-K2 is unlocked on all R&S®CLGD base units.
• Waveform files:FM random noise, 22 carriers
• ATV, PAL B:color bars, AF 1kHz, 2-tone, no pilot
• ATV, PAL DK, CHINA:color bars, AF 1kHz, 1-tone
• ATV, PAL G:color bars, AF 1kHz, 2-tone, no pilot
• ATV, PAL I:color bars, AF 1kHz, 1-tone
• rectangle for CMX tests:15.675kHz
• ATV, SECAM L:color bars, AF 1kHz, 2-tone, no pilot
• > 10MHz can be played only on one RF channel.
Transport stream generator
• Packet size:188 byte
• Transport stream file size:max. 188 Mbyte
• File format:.trp, .ts, .mpg
counter, PCR, DTS/PTS, TDT/TOT
• Bit rate:≤ bit rate of channel
DOCSIS 3.1
• Insertion of DOCSIS timestamp in:on/off
DOCSIS 3.0 carrier in bps
• DOCSIS 3.1 PLC mode:standard/R&S®FSW compatibility,
DOCSIS 3.1
• Modulation:burst OFDMA
• Burst timing:controlled via trigger input
• FFT size:50kHz offset from carrier 25kHz offset from carrier | 2k 4k
• FFT size = 4k (25 kHz offset from carrier):6.4 MHz至96MHz
subcarriers
• Constellation:QPSK, 8QAM, 16QAM, 32QAM, 64QAM, 128QAM, 256QAM, 512QAM, 1024QAM, 2048QAM, 4096QAM
• Cyclic prefix:0.9375 µs, 1.25 µs, 1.525 µs, 1.875 µs, 2.1875 µs, 2.5 µs, 2.8125 µs, 3.125 µs, 3.75 µs, 5 µs, 6.25 µs
• Windowing:0 µs, 0.3125 µs, 0.625 µs, 0.9375 µs, 1.25 µs, 1.5625 µs, 1.875 µs, 2.1875 µs
• FFT size 4k (25 kHz offset from carrier):8至14
• with pilot boosting:5至7 and 12至14
• Burst types:data
content
• initial ranging:number of subcarriers, number of
channel ID
• fine ranging:number of subcarriers, number of
requested number of bytes, SID
• wideband probe:start subcarrier, subcarrier skipping,
symbols in frame
• Content:PRBS or user-defined file
DOCSIS 3.0 A-TDMA
• Modulation:burst A-TDMA
• Burst timing:controlled via trigger input
• 带宽:0.8MHz, 1.6MHz, 3.2MHz, 6.4MHz
• Constellation:QPSK, DQPSK, 8QAM, 16QAM,
D16QAM, 32QAM, 64QAM
• Preamble pattern:user-defined hex string
• Preamble value offset:multiple of symbol size
• Preamble type:QPSK0, QPSK1
• FEC error correction parameter T:no FEC T = 0
• FEC with 2 × T parity bytes:T = 1至16
• FEC codeword information bytes:parameter k | 16至253
• Last codeword length:fixed, shortened
• Reed-Solomon interleaver mode:disabled, fixed, dynamic
• Scrambler:on, off
• Scrambler seed:15 bit from user-defined hex string
• Content:PRBS or user-defined file
DOCSIS 3.0 S-CDMA
• Modulation:burst S-CDMA
• Burst timing:controlled via trigger input
• 带宽:1.6MHz, 3.2MHz, 6.4MHz
• Constellation:QPSK, 8QAM, 16QAM, 32QAM, 64QAM,
TCM-128QAM
• Preamble pattern:user-defined hex string
• Preamble value offset:multiple of symbol size
• Preamble type:QPSK0, QPSK1
• FEC error correction parameter T:no FEC T = 0
• FEC with 2 × T parity bytes:T = 1至16
• FEC codeword information bytes:parameter k | 16至253
• Last codeword length:fixed, shortened
• Scrambler:on, off
• Scrambler seed:15 bit from user-defined hex string
• Spreading intervals per frame:1至32
• Codes per minislot:2至32
• Active codes:mode 1 | 64至128
• Symbol interleaver step size:1至31
• Codes per subframe:2 to number of active codes
• Code hopping seed:settable
• Content:PRBS or user-defined file
Arbitrary waveform generator
• 带宽:≤ 100MHz
以上为前 163 项指标;完整指标(共 267 项)见官方规格书(本页底部「资源下载」)。
型号与选件
• 官方型号:CLGD、Bandwidth8、MHz、Bandwidth6、Bandwidth、NTSC6
指标整理自官方文件:CLGD_dat-sw_en_3607-0123-22_v0400.pdf
资源下载
罗德与施瓦茨 Rohde & Schwarz · onetest 仪器资源库

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