Type and scope
Basic instrument and general instrument:Digital multimeter, power supply, function generator, counter...
RF and microwave instruments and systems: spectrum analyzers, network analyzers, signal generators, power meters, noise figure analyzers
oscilloscopes, logic analyzers and digital Test:Oscilloscope, logic analyzer, simulated trace port analyzer, BERT...
EDA software:Electronic design automation software...
Test and measurement software and connectivity:Test and measurement toolset, VEE, TestExecSL, IntuiLink, IVI, other connectivity...
Test system and System components: Functional testing, VXI, data acquisition, components and software used to build test systems...
Lightwave instruments and systems:Optical component testing, lightwave conversion Device, communication analyzer (DCA), wavelength meter, optical switch...
Wireless communication:Wireless design, network planning and optimization, base station testing, mobile phone testing, network services, components Testing...
Communications: Wired and electrical: network and protocol analyzers, field installation, SONET, SDH, OTN test equipment, voice testing
Test, LAN/WAN, router test, optical network test...
Frequency, time, distance, physics:Main frequency and time standard, laser interferometer, dynamic signal analyzer , Mechanical and Physical
Test...
Semiconductor test equipment:Memory test, wafer parameter test, system on chip (SOC) test, RFIC test …
Printed circuit board testing and inspection:Automatic optical inspection, X-ray testing, online testing, intelligent testing software...
Test and measurement Accessories, cabinets, cables: cabinets, cables, probes, test carts, shelf kits...
Test and measurement services:Calibration, repair, warranty, engineering and consulting services, equipment management , Runtime solutions...
Development trends
Test instruments and systems are in a chaotic period of multi-bus and multi-interface coexistence:
GPIB, VXI, MMS, PXI, PCI, CPCI, 1394, ISA, USB
SPI, SMB, I2C and other multiple buses coexist, and the automatic test system has a distributed structure and a multi-bus structure.
The instrument swallows the computer, and at the same time makes itself a terminal product of a huge computer network, which can not only realize remote control and remote transmission of test data, but also test hardware, software, technology and Sharing of experience and test information.
The widespread use of application-specific large-scale integrated circuits and programmable devices in instruments not only protects their own technical patents, but more importantly, changes the design ideas and methods of digital circuits and computer systems. The use of DSP greatly simplifies the intermediate frequency circuit of the instrument and improves the performance index of the instrument.
The use of computer systems and large-scale integrated circuits has completely changed people’s design thinking and placed high requirements on designers. More importantly, the test instrument can directly use the latest computer results to make the instrument The speed of updating and updating keeps pace with the computer.
The overall technical level of domestic test instruments:
General desktop instruments: microwave and millimeter wave instruments are basically complete, broadband coaxial instruments to 40GHz, millimeter wave waveguide instruments to 110GHz; fiber optic instruments Complete categories; communication instrument test rate 2.4Gb/s; data acquisition instrument digitization rate to 1GSa/s and bandwidth 500MHz.
VXI bus modular test instrument: The VXI test module spectrum series has begun to take shape, which can be used to build automatic test systems for radio frequency, low frequency and data acquisition.
Automatic test system and fault diagnosis: A batch of practical test systems have been developed and successfully applied to the development, production and maintenance testing of weapons and equipment. The circuit board fault diagnosis system has achieved zero breakthroughs.