Principles and Applications of Temperature Sensors
A temperature sensor is a device used to measure temperature. Its operating principle involves converting temperature into an electrical signal that can be measured and recorded. Based on their measurement principles, temperature sensors on the market can be categorized into two types according to whether they require physical contact: contact-type and non-contact-type sensors. Alternatively, based on their output signals, temperature sensors can be classified into analog output (such as changes in resistance or voltage) and digital output (where digital temperature values are directly output via protocols like I2C, SPI, or 1-Wire). These two classification methods are commonly used. Below, we will discuss the working principles and application areas of temperature sensors based on the first classification method.
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What Should Be Noticed When Using Varistors
A varistor is a voltage-clamping protective device that responds sensitively to voltage changes. Leveraging the varistor's nonlinear characteristics, it can clamp the voltage to a relatively fixed level when an overvoltage occurs across its terminals, thereby safeguarding the downstream circuitry. Additionally, varistors play a crucial role in protecting circuits from transient overvoltages.
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The Classification of Temperature-Compensated Crystal Oscillators (TCXO)
A temperature-compensated crystal oscillator, formally known as a Temperature Compensated Crystal Oscillator (TCXO), is a type of crystal oscillator that maintains a stable frequency even under varying temperature conditions. By incorporating a temperature-compensation circuit, it minimizes the impact of ambient temperature fluctuations on the oscillation frequency, ensuring high-precision clock signals are delivered consistently across diverse environmental settings.
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"Double Whammy" of Extreme Heat + Heavy Rainfall! A Hardcore Guide to Protecting Your PV Inverters
As a core power-electronics conversion device, the photovoltaic inverter plays a critical role in ensuring the long-term stability and profitability of solar power plants. Like all electronic products, temperature poses a major challenge to both the performance and lifespan of inverters. High temperatures not only force inverters to operate below their rated capacity—or even shut down entirely—leading to lost energy generation, but they also accelerate the aging process of the delicate internal electronic components, significantly reducing the equipment's operational life. Consequently, effective thermal management is a central consideration in inverter design.
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