Como a Yokogawa buscava expandir as oportunidades de ofertas de teste e medição, foi decidida a criação de foco na área de redes de comunicação óptica. Esse foco levou à parceria e eventual aquisição da Ando Electric. Essa combinação estratégica alavancou a experiência em testes ópticos em profundidade da Ando desde 1980 e o foco corporativo da Yokogawa em instrumentos de medição desde 1915 para fornecer à indústria de redes ópticas um fornecedor estável mesmo em tempos difíceis no mercado. A parceria estratégica da Yokogawa com a ANDO forneceu instrumentação espectral de precisão, que é crucial para a implantação de CWDM e DWDM. Como a Ando foi incorporada à explosão inicial da demanda óptica, nossos Analisadores de Espectro Óptico ajudaram a acelerar o rápido desenvolvimento de capacidades intensas de dados. Hoje, olhamos para o futuro e continuamos a inovar com instrumentos como a linha AQ6370 de OSAs, os medidores de comprimento de onda ópticos da série AQ6150 e um OTDR multitarefa exclusivo, que permite testar a integridade de até 4 fibras simultaneamente.
To accurately measure pulsed light using an optical spectrum analyzer (OSA), it is necessary to understand the characteristics of the OSA and select the appropriate measurement method and settings.
Simplified EDFA testing
Reference equipment for power calibration
Redefining Optical Spectrum Measurement Excellence
Measuring Conversion Efficiency of Power Conditioner
Evaluation of Wireless Charging System for EV/PHV
Evaluating Magnetic Components
Characteristics of Transient Response from Industrial Robots
Measurement of Power Consumption in Mobile Phones
This system does not require manual reconfiguration of optical paths and adjustments of EDFA input power, and that improves measurement throughput and avoids a human error.
We have developed the AQ6375 grating-based desktop optical spectrum analyzer, which can measure an optical spectrum over a wide wavelength range from 1.2 to 2.4 m with high wavelength resolution at high speed. Despite the popularity of desktop optical spectrum analyzers in the telecommunication wavelength region, a large-scale optical spectrum measurement system with a monochromator has commonly been used for measuring the long wavelength region, and so there was a need for a desktop optical spectrum analyzer for long wavelengths. Deep optical absorptions appearing in the long wavelength region around 2 m caused by CO2, NOX and H2O are attracting attention in the environmental and medical fields, and thus sensitive measuring equipment by laser absorption spectroscopy using a near infrared semiconductor laser is becoming more popular. With excellent optical spectrum measurement capabilities (high resolution and high speed), operability and maintenance performance, the AQ6375 optical spectrum analyzer will contribute to the performance improvement and spread of near-infrared semiconductor lasers used in laser absorption spectroscopy.
With improvements in the speed and bandwidth of communication networks in recent years, 10-Gbit/s high-speed optical communications systems are becoming increasingly widespread in core networks, as well as access networks and LANs. Accordingly, devices and modules for use in 10-Gbit/s transmission are being actively developed, causing increasingly fierce price competition. Under these circumstances, the bit error rate testers (BERT) necessary to test these devices and modules are also facing a demand for lower prices. We have explored essential functionality and performance and examined product specifications, with a focus on application to the production of optical transceivers. Consequently, we have developed two compact and economical 10-Gbit/s BERTs, a plug-in module model and a portable model, featuring variable amplitudes, cross-points and voltage offsets for the data output and a built-in clock and data recovery (CDR) function.
We have developed the VC200 series of mobile phone testers for both wideband-code division multiple access (W-CDMA) and global system for mobile communications (GSM) mobile phones. The VC200 series is a line of simplified testers, enabling users to test W-CDMA/GSM dual-mode terminals with just one tester, as well as test for both W-CDMA and GSM protocols at one time. Users can test mobile phones for signaling, voice calls, and radio characteristics using simple operations. The VC200 is thus suited for failure diagnoses at service shops or final inspections on production lines.
The IP traffic load generator/analyzer is a measuring instrument used to test the performance of communications equipment, such as switches and routers configured as the nodes of an IP network, by generating IP data and receiving the data for analysis. In addition, the generator/analyzer is used to evaluate the performance of end-to-end transmissions or transmissions between relay points via a network made up of those pieces of equipment. Our company has developed the AE5511 Traffic Tester Pro, a measuring instrument equipped with various multi-port interface units and capable of flexibly meeting measurement needs in IP network testing. With the Windows-based graphical user interface (GUI) software, the AE5511 supports multi-user, multi-interface operating environments. This paper explains the basic configuration of the AE5511 Traffic Tester Pro, as well as approaches toward the testing of the quality of service (QoS) and the high-precision measurement of full wire rates.
The request for lower uncertainties in power measurements are increasing,especially in the transformer industries. Their role is to ensure that the electricity is distributed in an efficient and reliable way.
A demonstration reading a 4 - 20 mA transducer into an analog channel on the DL350 Portable ScopeCorder.
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