Dear circuit experts, I would like to ask a question. I want to amplify a 2.5MHz microvolt signal by 90dB. Can I use 3 AD603 operational amplifier chips in cascade to achieve this?...
【GD32F310G-START】HELLO WORLD - GD32 MCU - Electronic Engineering World - Forum (eeworld.com.cn)
Following the serial port driver, after a night of hard work, I finally drove the hardware I2C and submi...
Hello everyone, our company is planning an event for May Day, and we plan to buy 20 mobile phones as gifts for employees to draw. Can you recommend a mobile phone with a high cost performance (the bud...
The ripple rate R of the inductor in the switching power supply is generally recommended to be around 0.4 as the best value? Then I started to ask?When we design the inductance value, we set an empiri...
The multimeter is the most commonly used tool in electronic measurement. It can be used to measure resistance, AC and DC voltage and DC voltage. Some multimeters can also measure the main parameters ...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
Against the backdrop of global overcapacity and intensified market competition, and with the rapid development of a new round of scientific and technological revolution and industrial revolution, dev...[Details]
Modern spectrum analyzers use radio signal design software: they create a common hardware platform and program functions, so advanced spectrum analyzers have "software-defined tools", basically keepi...[Details]
Automotive wiring harness
The automotive wiring harness is the main network of the automotive circuit. Without the wiring harness, there is no automotive circuit. As people's requirements for ...[Details]
Pointer multimeter distinguishes live wire and neutral wire 1 Contact measurement method Set the multimeter conversion switch to AC 250V or 500V, connect the first probe to one end of the power suppl...[Details]
Introduction
The DS1847/48 resistor calibration constants are calculated and programmed into EEPROM at the factory during two test steps that are performed at different temperatures (25°C and 95°...[Details]
Battery-powered devices are an important part of our daily lives, and the burden of charging these devices is being taken more seriously than ever before. Over the past few years, many new solutions ...[Details]
3. Structure and working principle of P2 port:
The one-bit structure of the P2 port is shown in the figure below:
As can be seen from the figure, the P2 port has both a pull-up resistor and ...[Details]
The low-frequency differential-mode noise component is the main component of the noise generated by the switching power supply. A filter should be added to the power input port, and the input filte...[Details]
According to CCTV News, the State Council recently issued the "Overall Plan for China's (Shandong), (Jiangsu), (Guangxi), (Hebei), (Yunnan), and (Heilongjiang) Free Trade Pilot Zones" (hereinafter re...[Details]
Global OEMs and Tier 1s are currently actively exploring the implementation of innovative "smart cockpit" technologies. In the next 2-3 years, we will see the mass production of many innovative smart...[Details]
Turning interrupts off and on
Interrupt is an efficient dialogue mechanism, but sometimes you don't want to interrupt the program during execution, such as when printing something.
, but ...[Details]
ICSP (In-Circuit Serial Programming) is online serial programming. By keeping the RB6 and RB7 pins at low levels, VDD as the programming voltage, and increasing the MCLR (VPP) pin voltage from VIL ...[Details]
Analog electronics
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