PCB usage tips

1. Automatic generation of component labels or cancellation of existing component labels 2. Single panel settings: 3. Set the power cord to be bold ...

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Class D amplifier and EMI suppression

The operating principle of Class AB amplifier is similar to that of linear regulator, with poor efficiency and heat dissipation; The working principle of Class ...

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Advantages and disadvantages of Class D power amplifier ICs

In recent years, the Class D power amplifier with high efficiency is attracting attention from all aspects because it conforms to the trend of the Green Revolu...

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Application of Charge Pump Technology (Non Inductive Boost) in Class G Amplifier...

There is a common problem in portable audio applications, which is the limited power supply voltage of the speaker amplifier. These audio systems are typically ...

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Design of an infrared induction and energy-saving switch for power outage

Functional switches play an important role in people‘s production and daily life. There are various types of automatic power off switches, voice controlled swi...

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Inventory 10 domestic IC giants, how to create a golden decade

Firstly, Spreadtrum/RDA/Lianxin Technology designed baseband and AP chips, and then used SMIC‘s advanced process for wafer manufacturing. After completing pack...

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BLDC‘s Four Major Plans (Continued)

There are four main types of overall solutions for BLDC brushless DC motors, namely MCU+pre drive+drive/MCU+[pre drive+drive]/[MCU+pre drive]+drive/SOC+drive/S...

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Three New Design Sites for Improving Motor Drive

The technological advancements in motor driven design have opened many doors. For example, in motion control systems, higher accuracy, efficiency, and control p...

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Why do analog-to-digital converters require buffering

The analog output of a digital to analog converter (DAC) can be either voltage output or current output. Output impedance is one of the important parameters for...

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Analysis of Self Inverting Circuit for BTL Audio Power Amplifier IC

In BTL audio power amplifier integrated circuits, there are several methods to obtain signals of equal size and opposite phase for two sets of power amplifiers...

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Feedback of amplification circuit

Introducing negative feedback is mainly to make the amplification circuit work in the linear region, so that the output voltage does not exceed the maximum out...

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A voltage controlled oscillator capable of generating harmonics throughout the e...

A voltage controlled oscillator capable of generating harmonics throughout the entire audio range

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A Design Scheme for Extending the Battery Life of Wearable Devices through a Boo...

Wearable devices have quickly become the latest "must-have" item in many people‘s daily life and work. Consumers use these devices to perform numerous tasks, m...

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Design Scheme and Operating Characteristics of LDO Linear Voltage Stabilizer

In portable electronic products, higher power efficiency means longer battery life, while linear regulator efficiency=output voltage × Output current/input volt...

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Detailed understanding of capacitor switch knowledge

Capacitor switch is a highly intelligent level measurement product that uses advanced RF capacitor technology to measure the level of materials through several ...

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Comparison between Analog IC and Digital IC

The IC that processes continuous natural analog signals such as light, sound, speed, and temperature is called an analog IC. These signals processed by analog I...

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How many methods do you know to achieve level conversion

Output high level>2.4V, output low level<0.4V. At room temperature, the general output high level is 3.5V, and the output low level is 0.2V. Minimum input high...

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Although the Type-C interface is powerful, it still needs to be protected

From a performance perspective, USB Type-C is almost omnipotent. In terms of data transmission, it supports the USB3.1 specification; It is also a power transmi...

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Low voltage reset circuit of transistor

When the voltage of the built-in low-voltage reset circuit is different from the application specifications, an external transistor low-voltage reset circuit ca...

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Design of high-power dimming and color adjustment LED lights for Bluetooth remot...

On October 30, 2012, Philips sold the latest high-tech Hue series LED lights in the Apple Store and will only be sold by Apple. The Hue series will be completel...

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