Hello everyone~ I need help with a question. I want to make a filter with a cutoff frequency of 3M~5M or higher. The cutoff frequency should be adjustable within this range. What chip should I use? I ...
There is a WIFI switch on a WINCE device, which is used to control the connection and disconnection of WIFI. Are the functions of obtaining all WIFI hotspots, connecting to a hotspot, determining whet...
I am now preparing to learn development under wince. I have written the low-level serial port communication of MSP430 before. Now I am proficient in using winform and webform under vs2008. I just have...
The Chinese character fonts are as follows: 0x01,0xF0,0x21,0x10,0x11,0x10,0x11,0x10,//0"Set", 0x01,0x10,0x02,0x0E,0xF4,0x00,0x13,0xF8, 0x11,0x08,0x11,0x10,0x10,0x90,0x10,0xA0, 0x14,0x40,0x18,0xB0,0x13...
[font=宋体][size=4] I worked overtime a little late at night, and I was still worried about this code when I came back, so I still looked for the reason. It should have been solved. [/size][/font][font=...
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
Overview
In recent years, the vigorous development of integrated circuits has created a huge space for the research and application of digital circuits. FPGA has low power consumption, high re...[Details]
Introduction
The MAX2116 P1db data is measured at specific combinations of RF and baseband gain over the adjustable range of these two gains. These data can be used to select gain control se...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data,...[Details]
In the process of RF transceiver application, adjusting the processing gain (PG) of the direct sequence spread spectrum communication system (DSSS) can obtain excellent anti-noise performance, whic...[Details]
Portable products are generally powered by batteries. Due to cost and size considerations, there is a trend to reduce the number and size of batteries used in design. If the number of batteries is ...[Details]
1 Introduction
In many communication systems, the base station usually sends a training sequence for the terminal to synchronize with the system. The synchronization here includes time syn...[Details]
1 Introduction
The DVB-S digital satellite live broadcast system standard is designed to meet the bandwidth of satellite transponders and the transmission characteristics of satellite sign...[Details]
In the communication system, the communication chip is the foundation of the entire hardware platform. It not only completes the data sending and receiving in the OSI physical layer, but also imple...[Details]
1 Introduction
Combination weigher is also called selection combination weighing instrument. It is composed of multiple independent weighing units with feeding and discharging structures. ...[Details]
1 H4006 chip introduction
The operating frequency range of H4006 is 10～15MHz, and 13.56MHz is usually selected for identity recognition. There is a 64-bit programmable memory on the ch...[Details]
stm32/stm8
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