RISC-V is a typical three-operand, load-store RISC architecture, including three basic instruction sets and six extended instruction sets, as shown in Table 1, where RV32E is a subset of RV32I and is ...
AD-DC rectification, precision rectification:1. What are the differences between a rectifier bridge, four diode rectification, and op amp rectification?2. After rectification, why is the positive half...
We used multiple models of LOTO oscilloscopes, with bandwidths ranging from 20M to 100M , to measure passive and active crystal oscillators . We tested the waveforms of 12M, 15M , 24M, 48M, and 80M cr...
I bought Zhennan’s board and book, read Chapter 3 of the first volume, and did experiments.The main program is as follows:delay_init(); //±uart_init(9600);
ZNX_Board_Init(); //ZN-X ·°°VS1003_GPIO_Init...
Capacitive sensors can detect metals and non-conductive materials. Think of viscose, as well as water-based liquids such as (petroleum) oil and water or various other solids such as plastic, stainless...
With the issuance of 5G licenses, China has officially entered the first echelon of 5G commercial use. The main impact of 5G on us is not in the field of mobile communications, but in the field of the...
Opening remarks:
The previous section talked about the multi-tasking parallel processing of two-way ticker programs. This section will teach you a knowledge point: how to effectively associate the ke...[Details]
At present, medium and high power trolley speakers mainly use 12V lead-acid batteries as power supply. When the power is directly supplied, the output power of general amplifier chips is about 20W ...[Details]
The C8051F02X series MCU of Cygnal Company in the United States is a mixed signal system-level MCU integrated on a chip. The MCU has 32/64-bit digital I/O ports (pins), 25MIPS high-speed pipeline 8...[Details]
DigiKey, a leading global distributor of a broad range of commercial off-the-shelf technology components and automation products, announced today that it has added ISO 27001 certification to its ro...[Details]
Recently, we have sorted out the information of more than 70 medical artificial intelligence companies at home and abroad through public and private channels. These companies are located in North Ame...[Details]
Introduction to CAN Bus CAN is the abbreviation of Controller Area Network (CAN), which was developed by BOSCH, a German company famous for the research and development and production of automoti...[Details]
At this year's two sessions, artificial intelligence has once again become a hot topic. AI can be seen in the "Government Work Report" and the proposals of the committee representatives . Among the...[Details]
0 Introduction
Downsampling digital filters can be widely used in communication, sound and image processing systems. When the bandwidth of the input signal is higher than the bandwidth to...[Details]
1 Specific design and implementation of the system
1.1 System composition
The system composition is shown in Figure 1. In the system design, two single-chip microcomputers (AT89S52) are...[Details]
Signal source is one of the four common electronic measuring instruments, the other three are: network analyzer, spectrum analyzer and oscilloscope. This article introduces the basic knowledge of sig...[Details]
This article will introduce how to make a 51 single-chip microcomputer minimum system and some additional modules. The final system will have the functions of burning programs and running programs. ...[Details]
Why Millimeter Wave Requires a Different Approach to DPD and How to Quantify Its Value
Why does mmWave require a different DPD approach? How can its value be quantified?
...[Details]
Layout Constraints
Today’s adjustable speed drives use inverters to adjust the output current to meet the requirements of three-phase motors. The size of the inverter is often limited by the ap...[Details]
In the infrared light source driving circuit , the +12 V voltage is added to the two ends of the amplifier through two 100 kΩ resistors to form a common phase ratio. The amplification factor of the a...[Details]
FPGA/CPLD
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