The information about superheterodyne says:
The typical application of the superheterodyne principle is the superheterodyne receiver . The signal received from the antenna is amplified by a high-frequ...
Activity details: [Free evaluation: AI development board based on Allwinner R329 chip]Updated to 2021-10-14Evaluation report summary:@tobotUsing R329 to identify QR codesInitial understanding of R329 ...
This book, co-authored by 2017 Turing Award winners Patterson and Hennessy, is a classic book in the field of computer architecture, emphasizing hardware-software co-design and its impact on performan...
[i=s] This post was last edited by 空恋lz on 2019-3-14 21:10 [/i] How does Figure 1 convert the pwm signal into a voltage signal? What is the calculation process of Figure 2? How does voltage convert to...
If buildings can be truly intelligent, what kind of earth-shaking changes will it bring to our lives? Imagine if in a commercial building, you can know where people are, where they go, and whether the...
The construction of basic communication facilities will undoubtedly be one of the driving forces for the growth of related semiconductor industries in the next few years. The RF front end is the core ...
1. General requirements for LED drivers The arrangement of LEDs and the specifications of LED light sources determine the basic driver requirements. The main function of an LED driver is to...[Details]
MAR is a memory address register, which is used to store the address of the operand in the memory. Its schematic diagram is shown in Figure 2-9.
In Figure 2-9 MAR address register schematic ...[Details]
Ultra-thin and compact design: Rutronik has developed together with MPE Garry the BAT6244 / BAT6247 battery contacts, which enable quick and easy replacement and installation of button cells from l...[Details]
The download of two ATmega16 chips always fails. Whether reading the chip ID or reading the FLASH, it always prompts chip enable program error. The "bang bang" sound of the error report made me dizzy...[Details]
The "Huaxinbang" Cup Mobile Power Design Competition, hosted by Electronics Fans Network, sponsored by Shenzhen Huaxinbang Technology Co., Ltd., and supported by Huaqiang PCB, began registration o...[Details]
Multimeters have become an indispensable tool in the hands of electrical and electronic engineers because of their many functions and ease of use. However, if you want to give full play to its role...[Details]
DxOMark gave a hint on Twitter, saying that the phone that will be rated soon is a well-known PC brand. Guess who it is? Many netizens guessed that it is ASUS ZenFone 6. Currently, many mobile pho...[Details]
//The PIC16F877 microcontroller outputs a sine wave signal simulation schematic diagram as follows //20MHz crystal oscillator, outputs 500Hz sine wave, 100 points per cycle. //1 cycle time is 2ms...[Details]
Apple released the second RC version of iOS 15.2 and iPadOS 15.2, a few days after the first beta version. Simply put, the RC version is Release Candidate. If there are no major problems, the RC ve...[Details]
When you use an 8- to 14- bit analog-to-digital converter (ADC) in your system , it is important to understand the converter's voltage reference path. Figure 1 shows a circuit that can accommo...[Details]
1. Set CPU internal registers, including status register and SP, etc. start_code: /* * set the cpu to SVC32 mode */ mrs r0, cpsr bic r0, r0, #0x1f orr r0...[Details]
Abstract: The communication process between Matlab and TDS series digital oscilloscopes under Windows environment is given. The relevant communication procedures are given, and the waveform data...[Details]
China Energy Storage Network News:
CITIC Consulting pointed out in the "2016-2020 China Wind Power Operation and Maintenance Industry In-depth Research and Investment Prospect Forecast Report...[Details]
Test the working principle of DMA in driver mode. The user-level program continuously calls ioctl to trigger the DMA operation completed in the driver, moves the memory data block from one consecutiv...[Details]
According to foreign media reports, on November 11 local time, Texas Instruments (TI) announced the launch of two new real-time microcontroller series - TMS320F28P55x series and F29H85x series, des...[Details]
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