widening, line current increase, the operating temperature rise, the pipeline will be thermal breakdown. Of course, the same problem can be caused by the breakdown of the row amplitude adjustment tube and the lower damping diode.
I found in practice that the 6th situation raises a high probability of a problem, and the 8th is not easy to think about. The operating temperature of the pipe is closely related to its base-pole excitation, and I have observed many kinds of monitors such as Adi, Phi
BIOS boot process, it determines which CPU is Bootsrap Processor (BSP) and which CPU is application Processor (AP), based on the CPU ID and contract mechanism. Normally the BSP is used to do most of the system's initial work, including the initial cache/tlb/memory Controler/pcie Root complex and devices, while the AP waits most of the time until the BSP completes the main task, Sends an inter-core interrupt to wake the AP. In fact the BSP completes the main task, the AP can also assist to compl
platform quickly judges the execution logic, performs synchronous operation and analysis, and gives the quality diagnostic report of the tested application while the user manually clicks on the application to be tested. For example, the test process of critical module leakage analysis, testing adequacy measurement, code static quality analysis and the collapse of the white box-level capture and analysis. If you have questions about the test results, you can use the client's code coverage visual
on the application to be tested. For example, the test process of critical module leakage analysis, testing adequacy measurement, code static quality analysis and the collapse of the white box-level capture and analysis. If you have questions about the test results, you can use the client's code coverage visualization to directly validate the results. In addition, all the data from the Nebula test can be traversed in the version, and all data analysis results specifically consider the aggregati
I recently encountered some problems when debugging I2C. I hope you can help me with similar problems.
Keywords: I2C sub-steady state low speed signal dejitter
[Prelude]In the system, the I2C slave function must be implemented in the CPLD to communicate with the I2C interface of the CPU, so as to expand the gpio port of the system. Therefore, according to the requirements of I2C protocol, an I2C slave module and testslave module are compiled with OpenGL, and then simulated and verified in Model
The company bought an oscilloscope a few days ago, and the process was like this:
1. The development department bought an oscilloscope and found a proxy for XX Company in Guangdong on the Internet.
2. So I called:Engineer a said: How much is XX oscilloscope?
Sales lady B said: "XXX price"
Engineer a said: We are going to buy a batch. Can we get a discount.
Sales
Prepare for Power Consumption debugging and prepare for Power Consumption debugging
Prepare for Power Consumption debugging
December 17, 2014
I. Basic Concepts
What is power consumption testing?
Power Consumption testing refers to measuring the current of each module in various power consumption states by using various tools (mainly oscilloscope, ammeter, a
A simple test method for super capacitance of capacitance topicIf you need to accurately test the parameters of the supercapacitor, need to set up a test platform, to have a data acquisition system, to have data processing capacity, if nothing, but also need to test, in fact, there are methods, but the means are relatively humble, this is the title of "simple" existence of meaning.So, the headline is a little gallimaufry, and the word is actually:The test method involves three parameters of the
clicks on the application to be tested. For example, the test process of critical module leakage analysis, testing adequacy measurement, code static quality analysis and the collapse of the white box-level capture and analysis. If you have questions about the test results, you can use the client's code coverage visualization to directly validate the results. In addition, all the data from the Nebula test can be traversed in the version, and all data analysis results specifically consider the ag
on the application to be tested. For example, the test process of critical module leakage analysis, testing adequacy measurement, code static quality analysis and the collapse of the white box-level capture and analysis. If you have questions about the test results, you can use the client's code coverage visualization to directly validate the results. In addition, all the data from the Nebula test can be traversed in the version, and all data analysis results specifically consider the aggregati
8002 are already displayed on the panel: Click 8002 for the corresponding green font section into the 8002 corresponding interface: 1, after the project URL plus parameter teststars.jsp, access the page for cookie settings: 2, click Setcookie to set, set the Success page as follows: Note: In order to differentiate the test, the user name set is consistent with the current login user name of the Nebula client.To view the console printing information, the username setting is successful:
equipment for basic electrical and electronic technology skills. In order to do better, you can also add some practical lab content related to the professional needs. For example, capacitors are used in automobiles, but there is no requirement in the measurement content in the teaching materials. You can add experimental items for measuring capacitors. There are many sensors on automobiles, some sensors can be directly measured with A multimeter, so the experimental items of the measurement sen
Threadingtest (TT) The first phase is an Android white box test tool, using offline detection method, based on the protection of User source code, the use of plug-in, fifth-generation coverage and other technologies, for development engineers and test engineers to provide a set of efficient quantifiable, visual communication tools. In contrast to other test tools, TT automatically generates the relationship between test cases and code and function coverage in automated tests, and is presented in
Imagination, the cause of a lot of problems, the actual reason only to see to find! If guessing how a failure occurs, it often fixes problems that are not bugs, wasting time and destroying other places, so don't do that. In the medical field, there are stethoscope, blood test, X-ray, B-Super method. Also in software, the method of observation is to set breakpoints, add debug statements, monitor program values, and check memory and so on. Hardware methods such as
into general instruments, such as oscilloscopes, multimeter and other instruments, professional strong special instruments, such as old Xie Digital TV, this professional field will have a lot of special instruments, such as SFU, VM700, TG39 and so on.
by function: Lao Xie The instrument is also divided into two categories, output class (signal source) and input class (measuring instrument).
In the back of the content, Lao Xie will list some of the instruments, friends can follow the tw
What is the function of the diode in AC DC power? Output voltage? The output current is determined by the maximum rated current of the diode. The 1n4007 diode (Universal Silicon Rectifier diode M7) is rated at 1 A and the output current is less than 1 a.
If you want to understand it, talk about it from the AC power.220 Volts AC Point has two lines, a 0 line, his voltage is always 0 volts, the other is the FireWire, the voltage is changing, a moment is 220 volts, a moment is negative 220 volts, o
When we try to write game applications using andengine, if we want to add rich and colorful elements to the game, but try to use particle transmitters,
Andengine examples provides three examples to demonstrate the formation of two kinds of dynamic flames. The effect is very vivid. The particle emitter can form a flame. The principle can be understood as similar to that of an oscilloscope to form a graph, the particle transmitter emits custom effect el
isolate the driver, but it took some time but failed. I used an oscilloscope to observe the timing of the four lines and found that there was a problem with the USB to serial line, its sck (7-pin) Outputs a random square wave. The sck sequence from the physical serial port has a frequency of around 20 K and is continuously stable, for example, this may be a problem with the USB-to-serial chip, which is only 20 kb in frequency. Is it filtered out by d
Reproduced on: RS232, RS485 Waveform Analysis
I often encounter problems with single-chip serial communication for beginners and do not know how to do it. In fact, the most effective debugging method is to use an oscilloscope to observe the waveforms of the sent and received data. Observe the waveform to determine the following situations:
Whether data is received or sent
Is the Data correct?
Whether the baud rate is correct
1. Serial Data Format
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