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SDH microwave transmission circuit is a synchronous digital transmission circuit. Each SDH transmission device in the circuit becomes a network element. The network element clock frequency and phase o...[Details]
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PSRR: About Open-Loop and Closed-Loop Class D Amplifiers
In the past, the power supply rejection ratio ( PSRR ) has been a good measure of how well an amplifier rejects power supply noise. However,...[Details]
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#include reg52.h void delay300ms(void) { unsigned char a,b,c; for(c=123;c 0;c--) for(b=116;b 0;b--) for(a=9;a 0;a--); } void main() { while(1) { P2=0x55; dela...[Details]
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Although 10 billion cores have been shipped, almost all of them come from MCUs and co-processors. RISC-V is often labeled as "insufficient performance and weak ecosystem". Fortunately, the value of R...[Details]
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Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited filter
#define A 10
char value;
char filter()...[Details]
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We discussed the evolution of SD-WAN and how universal customer premise equipment (uCPE) is evolving along the same path to become the host of SD-WAN services. At the end of that blog post, we pointe...[Details]
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Recalibration of Tecsun Radio
Tecsun
Latest
Receiver owners should be aware by now that
the PL-990x, H-501x, and the latest PL-368 (also sold by CountyComm as the GP7/SSB) of...[Details]
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Apple announced new features for its AirPods earphones at WWDC: automatic switching between devices, and a new "spatial audio" feature for its AirPods Pro earphones. Both regular AirPods and AirPod...[Details]
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1 Introduction The topic of serial communication is not unfamiliar to many students who are engaged in system coordination such as mechatronics and robot control. Computer software (programming tec...[Details]
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In recent years, the number of lamps made of 1-3W
high-power LEDs
has increased year by year, and their
power
can range from a few watts to hundreds of watts. High-power LED lamps a...[Details]
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Mouser and Molex Launch New eBook on Innovative Medical Device Design March 18, 2022 – Mouser Electronics, a leading New Product Introduction (NPI) distributor™ focused on driving industry innovati...[Details]
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1. Function introduction This project uses Proteus8.12 to simulate 51 microcontroller controller, and uses LCD1602 display module, light sensor, DS18B20 temperature sensor, PCF8691 ADC module, rela...[Details]
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Flash testers and imagers are both image measuring instruments, and both are widely used in machinery, electronics, instrumentation and other industries. It is mainly composed of the mechanical body,...[Details]
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Honda is a technology-based automobile company, so the core content of its media conference, HONDA Meeting, is of course to fully display its latest technological advantages.
After receiving the...[Details]
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The most far-reaching technological change in terms of touch screen performance is the shift from resistive to
capacitive touch screen
technology. According to market research firm iSuppli, b...[Details]
MEMS sensors
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