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Analysis of Key Points in Sensor Design
A sensor is a detection device that can sense the measured information and transform it into electrical signals or other required forms of information output ac...
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Overview of FOC motor drive
A large number of motor control applications have been continuously seeking ways to improve efficiency while reducing system costs. As a result, Field Oriented ...
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Understand the driving method of stepper motors
A stepper motor is an actuator that converts electrical pulses into angular displacement. When the stepper driver receives a pulse signal, it drives the stepper...
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The significance of fast battery charging
In fact, under current fast charging technology, the charging time of 0-100% is approximately 1 hour and 10 minutes, which is due to the process of trickle char...
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How to choose a lithium battery charging management IC
Lithium batteries are an energy storage device that involves the migration of lithium ions back and forth between the positive and negative electrodes to comple...
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Using a buck boost converter as a voltage regulator
Most applications or sub circuits require constant voltage power supply within a certain voltage tolerance range to ensure normal operation. Battery driven appl...
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Calculation of amplifier noise figure
This article briefly introduces the noise figure calculation of two amplifier architectures, including the noise figure calculation of inverting and non inv...
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Discussion on New Omnidirectional Ceiling Antenna Technology and Standards
As early as the early stages of 3G experimental network construction, researchers discovered that 3G signals have fast attenuation, high penetration loss, and p...
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Design points and electrical requirements of switch power supply PCB
In any switching power supply design, the physical design of the PCB board is the last step. If the design method is not appropriate, the PCB may radiate to...
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Discussion on the Influence of Ground Wire on EMI Interference
As the functions of electronic products become increasingly complex, more and more modules and components are required. However, due to these reasons, our g...
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Capacitive touch sensing technology in household appliances
The buttons based on capacitive sensing technology make the appearance of electrical appliances fashionable and beautiful, eliminating wear issues, and are more...
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The influence and selection of resistive and capacitive components on audio ampl...
Resistive capacitance components are the most widely used passive devices in audio equipment. In recent years, domestic audio manufacturers have attached gr...
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The simplest and most practical high and low pitch lifting circuit
As friends in the audio industry know, excellent sound perception requires repeated adjustments to the speaker and cavity. Without the bass, it‘s like with...
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The Golden Rule of PCB Design
Despite the increasing integration of semiconductors and the availability of on-chip systems for many applications, as well as the increasing ease of access...
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Summary of Mosfet transistor driver circuit
When designing switching power supplies or motor drive circuits using MOS transistors, most people consider the conduction resistance, maximum voltage, maxi...
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Classification and model of resistors
With the continuous development of electronic technology, resistors are also constantly developing and improving, and the variety is increasing day by day. ...
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Common sense of electronic components: pull-up resistor and pull-down resistance
1. When the TTL circuit drives the COMS circuit, if the high level output by the TTL circuit is lower than the minimum high level of the COMS circuit (gener...
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How to Select Output Filter Capacitors in Efficient Pulse Frequency Hopping Mode
Pulse frequency hopping mode (PSM) is a widely used method to improve light load efficiency. We will take the TPS65290 device with PSM mode as an example to...
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Low cost PCB design and layout
For 25 years, CadSoft EAGLE has been providing global design engineers with the same core functions as expensive commercial PCB design software at low price...
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Fully utilize Class D amplifiers in your car‘s audio subsystem
With the addition of more functions and subsystems in automotive entertainment and infotainment systems, the audio power budget of the host and relay units ...
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