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R&S SFQ數(shù)字廣播多制式信號發(fā)生器

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產(chǎn)品指標(biāo):DVB 產(chǎn)品信息: Basic models ·DVB-T：R&S SFQ02+ R&S SFQ-B10 ·ATSC：R&S SFQ02+ R&S SFQ-B12 ·ISDB-T：R&S SFQ02+ R& SFQ-B26 ·DVB-C：R&S SFQ02+ R&S SFQ-B21 ·J.83-B：R&S SFQ02+ R&S SFQ-B13 ·DVB-S/-DSNG：R&S SFQ02+ R&S SFQ-B23 ·Satellite Turbo: R&S sfq02+ R&S SFQ-B23+ R&S SFQ-B25 ·FM: R&S SFQ02+ R&S SFQ-B2 DVB/VSB options ·Input interface(ASI,SPI,SMPTE310:settable symbol rate,accurate data clock) ·DVB-T coder ·Hierarchical coding for DVB-T coder ·ATSC/8VSB coder ·ISDB-T coder ·DVB-C coder ·J.83-B coder ·DVB-S/-DSNG coder ·Satellite Turbo ·I/Q output/input Transmission simulation ·Fading simulator(6 or 12 paths) ·Noise generator ·BER measurement Broadband FM options ·Broadband FM modulator ·FM sound subcarrier with internal audio generators ·ADR sound subcarrier with internal MUSICAM generators Basic features ·Frequency range 0.3MHz to 3.3GHz ·Large level range -99.9 dBm to +13 Dbm ·Simple,user-friendly hardkey and softkey control ·Large display with all important parameters in headline ·Status menu for supplementary information ·User-definable transmitter tables ·Storage of instrument settings internally and on memory card ·Online help ·IEC 625/IEEE488 bus,RS-232-C interface ·Modular design ·Software update via RS-232-C interface(or memory card) General The TV Transmitter R&S SFQ is a complete solution for testing digital TV links and receivers.The open-end software and modular hardware make the R&S SFQ future-proof. The standards for DVB-T, DVB-S/DVB-DSNG, turbocoding, DVB-C,J,83.-B, ATSC/8VSB and ISOB-T are fully complied with. Owing to its adaptability to future system changes,the R&S SFQ is a useful and rewarding investment for your launch onto the digital TV market. Moreover,the R&S SFQ also processes analog frequency-modulated satellite signals in line with PAL,SECAM,NTSC standards. The sound signals are transmitted using analog FM and digital ADR sound subcarriers. The test signals produced are of high precision and comply with the standards,but they can also be varied and provided with predefined errors to determine the performance of your products at their limits. The reproducible simulation of real transmission conditions by means of the noise generator and the fading simulator enables the specification of modules under test. Applications Because of its high signal quality and versatile parameters variations,the R&S SFQ is ideal as a source for digital terrestrial signals(DVB-T,ATSC and ISDB-T),for testing satellite (DVB-S/-DSNG,turbocoding and FM)and digital cable links (DVB-C,J83.-B),as a standard-signal generator in development, as a reference in quality monitoring,EMC labs, inspectior and test centers and for use in production.The output frequency range allows the R&S SFQ to be used as a back-channel generator and covers future extensions of th satellite IF range. Operational parameters(e.g.roll-off,puncturing rate of QAM mode )can easily be varied. For laboratory applications,＆#118alues outside those defined in the standard can be selected. For special measurements,e..g.DVB-T,it is possible to switch off modulation,individual carriers or groups of carriers.Sweep can be performed over the complete RF range. A shift function for frequency, level and C/N makes it possible to determine the functional limits of the DUT,compensate for extemal matching pads, adjust two units to give exactly the same output signal,etc.The advantage is that the output signal can be changed as required while the standard/nominal ＆#118alue continues to be displayed on the R&S SFQ. The analog R&S SFQ sulloies frequency-modulated satellites signals conforming to standards.Various TV standards can be selected and up to six sound subcarriers(FM and ADR)can be integrated.In addition,external sound subcarriers can be applied.Operational parameters are in line with standards; parameters such as amlplitude,frequency and deviation are variable.Signals such as noise or energy dispersal can be added.It is thus possible to test satellite links and recerivers with the aid of standard signals and to check the response to nonstandard signals. Basic models ·DVB-T：R&S SFQ02+ R&S SFQ-B10 ·ATSC：R&S SFQ02+ R&S SFQ-B12 ·ISDB-T：R&S SFQ02+ R& SFQ-B26 ·DVB-C：R&S SFQ02+ R&S SFQ-B21 ·J.83-B：R&S SFQ02+ R&S SFQ-B13 ·DVB-S/-DSNG：R&S SFQ02+ R&S SFQ-B23 ·Satellite Turbo: R&S sfq02+ R&S SFQ-B23+ R&S SFQ-B25 ·FM: R&S SFQ02+ R&S SFQ-B2 DVB/VSB options ·Input interface(ASI,SPI,SMPTE310:settable symbol rate,accurate data clock) ·DVB-T coder ·Hierarchical coding for DVB-T coder ·ATSC/8VSB coder ·ISDB-T coder ·DVB-C coder ·J.83-B coder ·DVB-S/-DSNG coder ·Satellite Turbo ·I/Q output/input Transmission simulation ·Fading simulator(6 or 12 paths) ·Noise generator ·BER measurement Broadband FM options ·Broadband FM modulator ·FM sound subcarrier with internal audio generators ·ADR sound subcarrier with internal MUSICAM generators Basic features ·Frequency range 0.3MHz to 3.3GHz ·Large level range -99.9 dBm to +13 Dbm ·Simple,user-friendly hardkey and softkey control ·Large display with all important parameters in headline ·Status menu for supplementary information ·User-definable transmitter tables ·Storage of instrument settings internally and on memory card ·Online help ·IEC 625/IEEE488 bus,RS-232-C interface ·Modular design ·Software update via RS-232-C interface(or memory card) General The TV Transmitter R&S SFQ is a complete solution for testing digital TV links and receivers.The open-end software and modular hardware make the R&S SFQ future-proof. The standards for DVB-T, DVB-S/DVB-DSNG, turbocoding, DVB-C,J,83.-B, ATSC/8VSB and ISOB-T are fully complied with. Owing to its adaptability to future system changes,the R&S SFQ is a useful and rewarding investment for your launch onto the digital TV market. Moreover,the R&S SFQ also processes analog frequency-modulated satellite signals in line with PAL,SECAM,NTSC standards. The sound signals are transmitted using analog FM and digital ADR sound subcarriers. The test signals produced are of high precision and comply with the standards,but they can also be varied and provided with predefined errors to determine the performance of your products at their limits. The reproducible simulation of real transmission conditions by means of the noise generator and the fading simulator enables the specification of modules under test. Applications Because of its high signal quality and versatile parameters variations,the R&S SFQ is ideal as a source for digital terrestrial signals(DVB-T,ATSC and ISDB-T),for testing satellite (DVB-S/-DSNG,turbocoding and FM)and digital cable links (DVB-C,J83.-B),as a standard-signal generator in development, as a reference in quality monitoring,EMC labs, inspectior and test centers and for use in production.The output frequency range allows the R&S SFQ to be used as a back-channel generator and covers future extensions of th satellite IF range. Operational parameters(e.g.roll-off,puncturing rate of QAM mode )can easily be varied. For laboratory applications,＆#118alues outside those defined in the standard can be selected. For special measurements,e..g.DVB-T,it is possible to switch off modulation,individual carriers or groups of carriers.Sweep can be performed over the complete RF range. A shift function for frequency, level and C/N makes it possible to determine the functional limits of the DUT,compensate for extemal matching pads, adjust two units to give exactly the same output signal,etc.The advantage is that the output signal can be changed as required while the standard/nominal ＆#118alue continues to be displayed on the R&S SFQ. The analog R&S SFQ sulloies frequency-modulated satellites signals conforming to standards.Various TV standards can be selected and up to six sound subcarriers(FM and ADR)can be integrated.In addition,external sound subcarriers can be applied.Operational parameters are in line with standards; parameters such as amlplitude,frequency and deviation are variable.Signals such as noise or energy dispersal can be added.It is thus possible to test satellite links and recerivers with the aid of standard signals and to check the response to nonstandard signals. 中賽儀器庫存大量各種高頻儀器現(xiàn)貨特價出售中本公司長期現(xiàn)金回購各種高頻儀器選用二手測量儀器的優(yōu)勢是： 1、與新購儀器幾個月的供貨期相比，購買二手儀器的供貨期要短的多。在時間就是市場的今天，優(yōu)勢無疑是最為明顯的。 2、二手儀器的價格便宜，基本為新購儀器價格的20%～50%。在電子技術(shù)迅速發(fā)展的今天，儀器的更新也在加快，投資越少則風(fēng)險越小。

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