The circuit diagram is shown in Figure 1, and Figure 2 is the waveform on the sampling resistor R detected by a differential probe. The problem is as follows:
1. Which of the following methods is used...
[i=s]This post was last edited by lbbook on 2019-12-23 21:43[/i]The previous article ( 1_AWR1843BOOST unboxing ) has briefly introduced the unboxing of AWR1843BOOST and made a simple comparison with I...
SIC4200 Analog Multiplier SIC4200 is a general-purpose bipolar monolithic analog multiplier with built-in nonlinear compensation. It consists of three optimized operational amplifiers with logarithmic...
I recently went out for an interview and the other party gave me a form. On it, there was a line asking whether I would accept overtime, whether I would accept business trips, and another one I couldn...
The system used is Changsha Boqiang's 51 minimum system board (STC89C52), TS1620-1 LCD screen, and SDCC compiler. Connect the LCD screen and run the static display routine to display a row of black b...[Details]
Contents of LCD1602.c file (this is a complete 1602 LCD screen driver file with protues simulation file using 51 single-chip microcomputer): Complete program source code and simulation file download:...[Details]
1. Software Timer UCOSII has added software timers since version V2.83, which makes UCOSII more functional and more convenient for application development and porting. In a real-time operating system...[Details]
According to the latest survey by TrendForce's TrendForce Research Institute, the global packaging and testing industry showed signs of stabilizing in the third quarter of 2019, thanks to factors suc...[Details]
NAND Flash is a non-volatile memory using NAND structure technology. It has the characteristics of ROM memory. The data stored in the chip can be maintained for 10 years without loss in the case of...[Details]
Jiwei.com reported that decades of investment migration from high-cost to low-cost, high-efficiency regions has changed the geographical pattern of the world's manufacturing industry. East Asia is be...[Details]
Silicon Frequency Controller (SFC)
SFC Principle
Due to the limitations of quartz materials and their oscillation principles, people have been exploring new technologies to replace them in ...[Details]
With the improvement of new energy vehicle performance and the promotion of new energy vehicles, new energy vehicles, especially electric vehicles, have entered many residents' homes, which has bec...[Details]
Domestic embedded CPU achieves key technological breakthrough! Alibaba's Pingtouge wins first prize in Zhejiang Province's technological invention award
On June 15, the 2020 Zh...[Details]
Electromagnetic torque refers to the torque exerted on current in a magnetic field, which has the following properties:
1. Proportional to the magnetic field strength and current: The electrom...[Details]
At present, 115V/400 Hz
power supply
is widely used in military equipment such as aviation and aerospace. Military equipment generally has high requirements for frequency accuracy, so it...[Details]
A stepper motor is a motor that converts electrical pulse signals into linear or angular displacements. However, the control of stepper motors is usually developed in assembly language or C languag...[Details]
The latest research report released by Strategy Analytics pointed out that radio component revenue reached an all-time high in 2020 and will continue to grow strongly. Despite the COVID-19 pandemi...[Details]
introduction
μC/OSII is a priority-based preemptive kernel. All tasks in the system have a unique priority level. It is suitable for applications with strong real-time requirements; however, i...[Details]
The issue of battery consumption tax collection, which has been debated for more than two years, has finally been settled. On the 26th, the Ministry of Finance announced that batteries will be incl...[Details]