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SFD 47MHz至1794MHzDOCSIS 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
SFD DOCSIS 信号发生器
R&S®SFD 是罗德与施瓦茨的 DOCSIS 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 60 组、226 项,详见「详细指标」。
产品简介
该型号官方中文站未提供独立中文产品手册,本节内容依据官方产品页与官方规格书整理。
官方公布的主要指标:频率范围 47 MHz至1218MHz 47 MHz至1794MHz with SFD-K3018;频率 can be set as the frequency of the 0th;带宽 24 MHz至192MHz;相位噪声 (R&S ®SFD-K1050 | option) | 4;DOCSIS 3.0 5 MHz至85MHz。
官方公布的产品型号:SFD、Bandwidth8、MHz、Bandwidth6、Bandwidth、NTSC6、CLGD-。
核心参数
• 频率范围:47 MHz至1218MHz 47 MHz至1794MHz with SFD-K3018
• 频率:can be set as the frequency of the 0th
• 带宽:24 MHz至192MHz
• 相位噪声:(R&S ®SFD-K1050 | option) | 4
• DOCSIS 3.0:5 MHz至85MHz
• wi t h R&S®SFD-K3018, DOCSIS 3.1,:47 MHz至1794MHz
• Frequency accuracy, stability and aging:± 2 ppm
• Step size of setting:1Hz
产品型号
• 官方型号:SFD、Bandwidth8、MHz、Bandwidth6、Bandwidth、NTSC6、CLGD-
资源下载
详细指标请见 SFD 详细指标页。
罗德与施瓦茨 Rohde & Schwarz · onetest 仪器资源库
以下为 R&S®SFD 的官方技术指标,共 60 个指标组、226 项。
参数名以行业通用中文术语为主(其中 211 项保留官方规格书原文),数值与单位保留官方规格书原样。
技术指标
• SFD_dat-sw_en_3607-3751-22_v01.00_Umschlag.indd:1 | 13.05.2016 | 13:19:39
environm ental conditions, aging, wear and tear.
• Rohde & Schw arz R& S®SFD DOCSIS® Signal Generator:3
Frequenc y
• DOCSIS 3.0:5 MHz至85MHz
ARB
• wi t h R&S®SFD-K3018, DOCSIS 3.1,:47 MHz至1794MHz
A RB
• Frequency accuracy, stability and aging:± 2 ppm
• Step size of setting:1Hz
Dow nstream/upstream outputs
• Level:DOCSIS 3.1, | 39至59 dBmV
• DOCSIS 3.01, J.83/A/B/C, ARB:42至62 dBmV
• Step size of setting:0.1 dB
max. ≤ ± 1.0 dB
• Maxim um perm issible DC voltage:± 16V
Spectral purit y
• SNR:> 57 dB2
• Spurious (downstream):50 MHz至1000MHz 1000 MHz至1794MHz | ≤ -63 dBc ≤ -59 dBc
• Spurious (upstream):5 MHz至204MHz | ≤ -42 dB c
• 10 kHz to 100 kHz:≤ -60 dBc 100 kHz至1MHz ≤ -68 dBc 1 MHz至10MHz ≤ -70 dBc 10 MHz至100MHz ≤ -61 dBc
Dow nstream (R&S®SFD-K200 option)
• Modulation:COFDM
• 带宽:24 MHz至192MHz
subcarriers
• 频率:can be set as the frequency of the 0th
频率
• FFT size:50kHz sub-carrier spacing 25kHz sub-carrier spacing | 4k 8k
• FFT size = 8k (25 kHz offset from carrier):296至3654
• MER:192MHz OFDM, internal reference
• f < 600 MHz:≥ 50 dB, typ. 54 dB 600MHz ≤ f < 1002MHz ≥ 47 dB, typ. 54 dB 1002MHz ≤ f < 1218MHz ≥ 45 dB, typ. 53 dB 1218MHz ≤ f < 1794MHz ≥ 45 dB, typ. 53 dB 192MHz OFDM, external reference, using R&S®FSW, 10MHz output
• f < 600 MHz:≥ 52 dB, typ. 57 dB 600MHz ≤ f < 1002MHz ≥ 48 dB, typ. 57 dB 1002MHz ≤ f < 1218MHz ≥ 47 dB, typ. 56 dB 1218MHz ≤ f < 1794MHz ≥ 46 dB, typ. 55 dB
• PLC location:settable, subcarrier index of lowest PLC
carrier
• PLC constellation:16QAM
packets
• 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
• W indowing: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 param eter:48至120
• Interleaver depth:FFT size = 4k (50kHz subcarrier spacing) m ax. 32
• FFT size = 8k (25 kHz subcarrier spacing):m ax. 16
• Num ber 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
com plex channel configurations
• Rohde & Schw arz R& S®SFD DOCSIS® Signal Generator:5
J.83/ A (DVB-C)
• Standard:ITU-T J.83 Annex A, EN 300429
• Modulation:single-carrier QAM
• Constellation:64QAM, 256QAM
• Sym bol rate:5 Msym bol/s至6.952 Msym bol/s
• Roll-off:0.15
• Interleaver:12, 17
• MER:internal reference | ≥ 44 dB, typ. 47 dB
• external reference, using R&S FSW:≥ 45 dB, typ. 48 dB 10MHz output
• Content:generated internally PRBS, MPEG-2 transport stream
• external feed:MPEG-2 transport stream over SFP +
J.83/B
• Standard:ITU-T J.83 Annex B
• Modulation:single-carrier QAM
• Constellation:64QAM, 256QAM
• Sym bol rate:4 Msym bol/s至5.37 Msym bol/s
• Roll-off:0.12, 0.18
• Interleaver:in line with ITU-T J.83 Annex B
• MER:internal reference | ≥ 44 dB, typ. 47 dB
• external reference,:≥ 45 dB, typ. 48 dB
using R&S®F SW, 10 MHz output
• Content:generated internally PRBS, MPEG-2 transport stream
• external feed:MPEG-2 transport stream over SFP +
J.83/C (ISDB-C)
• Standard:ITU-T J.83 Annex C
• Modulation:single-carrier QAM
• Constellation:64QAM, 256QAM
• Sym bol rate:4 Msym bol/s至5.325 Msym bol/s
• Roll-off:0.13
• Interleaver:12, 17
• MER:internal reference | ≥ 44 dB, typ. 47 dB
• external reference,:≥ 45 dB, typ. 48 dB
• using R&S®F SW:1 0MHz output
• Content:generated internally PRBS, MPEG-2 transport stream
• external feed:MPEG-2 transport stream over SFP +
Analog TV standards
• Standards:PAL, NTSC
• PAL:7MHz, 8MHz
• Content:color bar test pattern with 1kHz sinusoidal
Transport stream generat or
• Packet size:188 byte
• Transport stream file size:m ax. 188 Mbyte
• File form at:.trp, .ts, .mpg
counter, PCR/DTS /P TS , TDT/ TOT
• Bit rate:≤ bit rate of channel
• CLGD-:K 2 is unlocked on all R&S®SFD base units.
• W aveform 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
• Insertion of DOCSIS tim est am ps in:on/off
for profiles B, C and D on the PLC
• Rohde & Schw arz R& S®SFD DOCSIS® Signal Generator:7
Al l upstream modulation typ e s
• Load m ini-slot duty cycle range:0 % to 100 %
(can only be ON or OFF for A-T DMA )
• Grant size:for PRBS only | 1-255 mini-s l ot s
• Scheduled playout modes:dynam ic, immediate, periodic, triggered
• Modulation:burst OFDMA
• Burst tim ing:controlled via trigger input
• FFT size:50kHz subcarrier spacing 25kHz subcarrier spacing | 2k 4k
• FFT size = 4k (25 kHz subcarrier spacing):6.4 MHz至96MHz
carrier
• Constellation:QPSK, 8QAM, 16QAM, 32QAM, 64QAM, 128QAM, 256QAM, 512QAM, 1024QAM, 2048QAM, 4096QAM
• MER:internal reference | ≥ 40 dB, typ. 46 dB
• external reference,:≥ 43 dB, typ. 47 dB
using R&S®F SW, 10 MHz output
• 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
• W indowing: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, initial ranging, fine ranging,
cycle, content
• initial ranging:num ber of subcarriers, number of mini
minislot loading duty cycle
• fine ranging:num ber of subcarriers, number of mini
cycle
• wideband probe:start subcarrier, subcarrier skipping,
cycle
• Content:PRBS or SFP+ data
DOCSI S 3. 0 A-T DM A
• Modulation:burst A-TDMA
• Burst tim ing:controlled via trigger input
• 带宽:0.8MHz, 1.6MHz, 3.2MHz, 6.4MHz
• Constellation:QPSK, DQPSK, 8QAM, 16QAM,
D16QAM, 32QAM, 64QAM
• MER (internal reference):15MHz ≤ f < 61MHz 10MHz ≤ f < 15MHz 61MHz ≤ f < 71MHz 5MHz ≤ f < 10MHz 71MHz ≤ f < 85MHz | ≥ 30 dB, typ. 44 dB ≥ 27 dB, typ. 41 dB ≥ 24 dB, typ. 34 dB
• MER (external reference, using:15MHz ≤ f < 61MHz 61MHz ≤ f < 71MHz 5MHz ≤ f < 10MHz 71MHz ≤ f < 85MHz | ≥ 32 dB, typ. 45 dB ≥ 25 dB, typ. 35 dB
• Pream ble pattern:programm able, up至384 hex digits
• Pream ble value offset:m ultiple of sym bol size
• Pream ble type:QPSK0, QPSK1
• Minislot size (T):1, 2, 4, 8, 16, 32, 64, 128 (1 = 6.25 µsec)
• Sym bol rate:1, 2, 4, 8, 16, 32 (1 = 160kHz)
• FEC error correction param eter T:no FEC T = 0
• FEC with 2 × T parity bytes:T = 1 t o 16
• FEC codeword inform ation bytes:param eter k | 16至253
• Last codeword length:fixed, shortened
• Scram bler:on, off
• Scram bler seed:15 bit from user-defined hex string
• Content:PRBS or SFP+ data
• DOCSI S 3. 0 S-:CDM A
• Modulation:burst S-CDMA
• Burst tim ing:controlled via trigger input
• 带宽:1.6MHz, 3.2MHz, 6.4MHz
• Constellation:QPSK, 8QAM, 16QAM, 32QAM, 64QAM,
TCM-128QAM
• Pream ble pattern:user-defined hex string
• Pream ble value offset:m ultiple of sym bol size
• Pream ble type:QPSK0, QPSK1
• Sym bol rate:8, 16, 32 (1 = 160kHz)
• FEC error correction param eter T:no FEC T = 0
• FEC with 2 × T parity bytes:T = 1 t o 16
• FEC codeword inform ation bytes:param eter k | 16至253
• Last codeword length:fixed, shortened
• Scram bler:on, off
• Scram bler seed:15 bit from user-defined hex string
• Spreading intervals per fram e:1至32
• Codes per mini slot:2至32
• Active codes:m ode 1 | 64至128
• Sym bol interleaver step size:1至31
• Code hopping seed:settable
• Content:PRBS or SFP+ data
• Rohde & Schw arz R& S®SFD DOCSIS® Signal Generator:9
Arbitrar y w aveform generator
• 频率范围:47 MHz至1218MHz 47 MHz至1794MHz with SFD-K3018
• ARB bandwidth:≤ 200MHz
• Sam ple rate per waveform file:≤ 240 Msample/s
• File size:≤ 256 Mbyte
• Value range:≤ ±32767
• Burst tim ing:controlled via trigger input
PAL with 8 MHz bandwidth
• 256QAM, J.83/B with 64QAM, J.83/B with
• 256QAM, J.83/C with 64QAM, J.83/C wi t h
• 256QAM, C-DOCSIS 1024QAM, ISDB-T
• for DOCSIS 3.1:DOCSIS 3.1 with 192MHz bandwi dth
S-CDMA with 6.4 MHz bandwidth
• for DOCSIS 3.1:OFDMA initial ranging,
信号生成
• Operation m ode:upstream (DOCSIS3.1/DOCSIS3.0)
Trigger burst timing control
• Signal tim ing:dynam ic, immediate, periodic, triggered
• Marker output delay:0至9999 µs
• Marker output polarity:high or low
• Trigger In sensitivity:rising or falling edge
DOCSI S timestamp timing control
• Tim estam p configuration:user configured
• DOCSIS tim estam ps supported:norm al, extended
以上为前 163 项指标;完整指标(共 226 项)见官方规格书(本页底部「资源下载」)。
型号与选件
• 官方型号:SFD、Bandwidth8、MHz、Bandwidth6、Bandwidth、NTSC6、CLGD-
指标整理自官方文件:SFD_dat-sw_en_3607-3751-22_v0100.pdf
资源下载
罗德与施瓦茨 Rohde & Schwarz · onetest 仪器资源库

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