Benefiting from the implementation of developed countries' policies for cultivating clean energy markets, coupled with the recovery of the global economy, South Korea's exports of solar energy, wind power and other renewable energy equipment and orders increased significantly in the first half of this year. Statistics on more than 80 domestic renewable energy equipment export companies in South Korea show that the export value in the first half of the year was US $ 2.145 billion, which was more than double the export value in the same period last year (US $ 1 billion) and exceeded the total export last year. Amount (2.04 billion US dollars) level. The volume of export orders received in the first half of this year also increased substantially. Among them, the park received orders for large-scale renewable energy equipment of 8.25 billion US dollars, 6.8 times the same period last year (1.2 billion US dollars); wind power generation equipment soared from 270 million US dollars last year to 6.59 billion US dollars; solar power equipment from the same period last year US $ 870 million increased to US $ 1.65 billion.
Trend 1: From parallel measurement to serial measurement
In the past, embedded design usually used parallel architecture, which means that each bus component has its own path. Therefore, as long as you can use pattern trigger or status trigger to find the event of interest, you can intuitively decode the data on the bus.
However, modern embedded designs generally use a serial architecture-that is, to continuously send bus data. The reason for this is that it requires less board space, lower cost, and uses an embedded clock with lower power requirements. Figure 1 shows the CAN data flow. In addition to the embedded clock, CAN information also includes the start of the frame identifier, address, data length code, data, CRC, and end of the frame identifier. Analyzing and triggering this serial data is usually much more difficult than parallel data.
Therefore, oscilloscope manufacturers currently provide various serial data triggering functions, search features, and protocol watchers to help you identify events of interest and decode and measure them. For example, the Agilent Infiniium 90000A series oscilloscope has a serial data analysis software package that supports a large number of protocols, including CAN, LIN, I2C, SPI, Flexray, SAS, SATA, XAUI, Fibre Channel, DVI / HDMI, Infiniband, and PCI-express (1.1 and 2.0).
As such agreements continue to emerge and new generation protocols enter the market, oscilloscope suppliers must keep pace with the development of new technologies so that users can effectively use these protocols to work.
Trend 2: Mixed Signal Oscilloscope
The mixed signal oscilloscope (MSO) was first introduced by Hewlett-Packard / Agilent Technologies more than a decade ago. It is a comprehensive test instrument with the availability of an oscilloscope, the measurement capability of a logic analyzer, and some serial protocol analysis functions. On the MSO display, you can view various analog waveforms and digital waveforms arranged in time. Although MSO fails to provide all the channels that a logic analyzer can provide (MSO usually has 2 to 4 analog inputs and approximately 16 digital inputs), its use can make up for this. The logic analyzer is too complicated to use, and the oscilloscope is relatively simple. This is exactly the advantage of MSO-to gather the strengths of various test equipment and find a perfect balance between them.
MSO is created for the embedded mixed-signal system popular in the current technology. For example, automotive electronic systems usually have digitally controlled analog motor controllers and sensors. In the past, people usually chose traditional oscilloscopes to analyze such systems, but oscilloscopes often did not have sufficient triggering capabilities and input channels. Therefore, people must also use a logic analyzer, which results in more complicated setup and operation.
MSO completely solves this problem and has been proven to be the best instrument for analyzing embedded mixed-signal systems.
Trend 3: Powerful portable oscilloscope / custom general-purpose oscilloscope
In the past, high-performance oscilloscopes were very bulky, and portable oscilloscopes had low performance, and users were only one of them. Modern high-speed design and serial data make many people urgently need a portable high-performance oscilloscope. The Agilent InfiniiVision7000 series oscilloscope was born on demand. Although it is small (6.5 inches deep and 13 pounds), it has MegaZoomIII deep memory, an update rate of 100,000 waveforms / second, and hardware-accelerated serial triggering and decoding. This allows you to have a high-performance oscilloscope that is extremely portable.
At present, people are increasingly using the software packages provided in many similar oscilloscopes to customize their general-purpose oscilloscopes. Some software applications, such as various serial decoding software packages, vector signal analysis (VSA) software, power application software, and offline viewing and analysis software, allow users to customize and use their universal oscilloscopes in a very personal way.
Trend 4: Oscilloscopes are being used more as automatic inspection tools than debugging tools
In the past, engineers or technicians mainly used oscilloscopes for debugging and design work, such as diagnosing faulty electrical components. Now, although the oscilloscope still has this role, it is becoming more and more common for automatic verification-that is, to check whether the device meets the specifications of a serial data standard.
In the field of consistency, every device that adopts a certain serial data bus technology must meet predetermined technical indicators in order to ensure that different devices made by various manufacturers are compatible with each other.
With the advent of the second and third generation standards, the data rate of the equipment is getting higher and higher, and the requirements for the signal integrity and eye diagram analysis performance of the oscilloscope are also increasing, and the oscilloscope is required to minimize the Measurement system, because at high data rates, these effects can be severe. In addition, the industry has developed conformance applications for automated testing of equipment. For example, Agilent provides compliance applications for various compliance applications, including DDR (1, 2 and 3), DVI, Ethernet, Fibre Channel, fully buffered DIMMs, HDMI, USB, wireless USB, PCIExpress, SATAI / II , XAUI, etc.
Trend 5: Better displays
Users now need better displays for many reasons. First of all, with the development of society, people are increasingly used to using large-size, high-definition displays. Not long ago, it was common to use small computer monitors or TV screens. Nowadays, large LCD and plasma displays are flooding the shelves of electronic stores-these daily-used devices are equipped with high-performance displays. People naturally expect other display instruments to have such displays. Therefore, many oscilloscope manufacturers have launched oscilloscopes equipped with large-size high-resolution displays. For example, the Agilent Infiniium 90000A series oscilloscope is equipped with a 12.1-inch XGA high-resolution display.
The second reason is that people now need to display more signals on the oscilloscope at the same time, including analog data signals and digital data signals, so the oscilloscope must be equipped with a large enough display to display all waveforms correctly. In addition, the display must have a sufficiently high resolution and color so that the user can clearly distinguish each waveform and read the decoded mark. The Agilent InfiniiVision7000 series oscilloscope is equipped with a 256-level 12.1-inch XGA display, which is a portable oscilloscope that can provide excellent display quality.
Oscilloscopes are mainly used to test and develop modern technologies, so they must adapt very flexibly to new application environments. The main purpose of oscilloscopes is constantly changing. Oscilloscope suppliers must continuously introduce new products to adapt to this development if they want to satisfy users and complete their work efficiently.
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