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Understanding Sourcing Current, Sinking Current, and Absorbing Current in Digital Circuits

I. What are pull current, sink current and absorption current?Pull currentPull current refers to the current that is actively supplied to the load when the output is in a high level state. When a digital circuit outputs a high level, the output will provide current to the external circuit, and this current is the pull current. The pull current reflects the chip's ability to drive when outputting a high level. Potting CurrentThe potting current is the current that flows into the chip from the external circui....
2025-04-28 14:39:17 1202
Understanding Sourcing Current, Sinking Current, and Absorbing Current in Digital Circuits

What is a Microcontroller Unit (MCU)? Uses, Features, and Applications Explained

What is Microcontroller Unit? The microcontroller unit, sometimes referred to as the central processor unit (CPU), is a single chip that combines LCD driver circuitry, memory, counters, USB, A/D conversion, UART, PLC, DMA, and other peripheral interfaces. As a result, a chip-level computer is produced that can execute different control combinations for different applications. There are numerous ways to control different applications with the chip. The figure of the Microcontroller Unit may show devices like....
2025-04-27 11:54:03 724
What is a Microcontroller Unit (MCU)? Uses, Features, and Applications Explained

What's going on with noise in circuits? How can it be suppressed?

The term noise in electronic circuits can be generalized as a generic term for all signals other than the intended signal. Initially, the electronic signals that cause the noise emitted by audio equipment such as radios were called noise. However, the consequences of some non-purpose electronic signals on electronic circuits are not always related to sound, and thus the concept of noise has been gradually expanded. Figure. 1 For example, the electronic signals that cause white streaks on a video screen are....
2025-04-27 11:43:00 867
What's going on with noise in circuits? How can it be suppressed?

Understanding Relays: Working Principles, Applications, and Types in Electrical Systems

Relay is a common electrical control component, which is a device that utilizes electromagnetic principles to control the switching of a circuit. In life, relays are widely used in a variety of automated control circuits, such as home appliances, industrial equipment, transportation and so on. So, what is the working principle of the relay? And what applications does it have? This article will take you to understand the principle and application of relays. What is a relay? Relays are automatic control dev....
2025-04-27 11:21:44 1185
Understanding Relays: Working Principles, Applications, and Types in Electrical Systems

What is BMS in Robotics? Battery Management Systems Explained

Without a consistent and dependable power source, a robot cannot operate steadily. But who is the silent protector of the robot's power system? The Battery Management System (BMS), which is the foundation of the robot's energy management and essential to guaranteeing its steady operation, is the answer. It is in charge of overseeing and maintaining the robot's battery system, which enables it to function effectively in a range of challenging settings. Explore the working principle of BMS system Three esse....
2025-04-09 14:32:40 404
What is BMS in Robotics? Battery Management Systems Explained

Circuit Component Design of Switch Mode Power Supply

Switch Mode Power Supply (SMPS), also known as switching power supply, switching converter, is a high-frequency electrical energy conversion device, a type of power supply. Its function is to convert a standardized voltage into the voltage or current demanded by the user through different forms of architecture. The input of a switching power supply is mostly AC power (such as utility power) or DC power, and the output is mostly equipment that requires DC power, such as personal computers, and the switching ....
2025-04-03 17:19:34 728 : #Switch Mode Power Supply (SMPS)#SMPS Circuit Design#SMPS Working Principle
Circuit Component Design of Switch Mode Power Supply

Comprehensive Guide to Band-Pass Filters: Principles, Design, Applications, and Loss Optimization

I. What is a Band-Pass Filter? An electrical filter known as a band-pass filter (BPF) attenuates signals at frequencies below and above a given range while permitting signals in that range to pass. In order to ensure that only signals within a specific band can pass, while signals at other frequencies are attenuated or blocked, it combines the features of a low-pass filter, which permits low frequencies to pass, and a high-pass filter, which permits high frequencies to pass. II.Key Parameters of Band Pass....
2025-04-03 16:39:24 591 : #RF & Microwave Technology#Bandpass Filters#Signal Processing
Comprehensive Guide to Band-Pass Filters: Principles, Design, Applications, and Loss Optimization

Implementing Floating Point Algorithms in FPGA or ASICS

Floating point is the most popular data type for modeling and simulating algorithms with high computational accuracy. Traditionally, when you want to deploy these floating-point algorithms to FPGA or ASIC hardware, your only option is to convert each data type in the algorithm to fixed point to save hardware resources and speed up computation. Converting to fixed-point reduces mathematical precision, and sometimes it can be difficult to strike the right balance between word length and mathematical precision....
2025-04-02 10:22:13 744
Implementing Floating Point Algorithms in FPGA or ASICS

RJ Connector：Type, Structure and Parameter

Since AT&T first introduced modular connectors, also known as RJ connectors, in the 1960s, they have been widely used in telecom and datacom applications. In order to create what is now known as the Registered Jack (RJ) registration system, which standardizes the wire pattern, signaling characteristics, and physical structure of the connector itself, the Federal Communications Commission (FCC) further standardized this interconnect solution in the 1970s. In order to accommodate variations in connection pack....
2025-04-02 10:14:41 1653
RJ Connector：Type, Structure and Parameter

Why PCB ground and metal chassis with a resistive connection?

Electronics grounding is a clichéd topic, the main content of this article is the metal casing and circuit board grounding issues. We often see some of the system design will be the PCB board ground (GND) and metal enclosure (EGND) between the usual use of a high-voltage capacitor C1 (1 ~ 100nF / 2KV) in parallel with a large resistor R1 (1M) connection. So why this design? Fig. 1 Schematic diagram Figure. 2 Actual PCB The role of capacitors From the EMS (Electromagnetic Immunity) point of view, ....
2025-04-02 09:10:15 670
Why PCB ground and metal chassis with a resistive connection?

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RF & Microwave TechnologyBandpass FiltersSignal ProcessingTactile SwitchesPCB Design & ComponentsConsumer Electronics & Smart DevicesProgrammable DC Power SupplyTest Equipment & MeasurementR&D and Manufacturing SolutionsEP3C16Q240C8N SpecsCyclone III FPGABuy EP3C16Q240C8NSwitch Mode Power Supply (SMPS)SMPS Circuit DesignSMPS Working Principle

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