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In what state does a photodiode work? The characteristics and working principle of a photodiode.
A typical photodiode model contains the following key elements: a diode in parallel with a current source, and the current source is proportional to the light intensity. Parasitic elements CD and RD w
Output short circuit protection circuit composed of two transistors and relay
An output short circuit protection circuit using two transistors VT1, VT2 and a relay K is composed. The normally open contact K1 of K is connected to the output terminal of XL4016 (the positive outpu
A brief analysis of the starter motor and ceramic capacitor in the car
The starter motor is a motor that is installed on the engine and driven by electricity to start diesel and gasoline engines. The emergence of the starter motor greatly reduces the trouble of manually
Analysis of Hardware Case: Reasons for Mini LED Blinking
Reasons for LED blinking:1.Large output voltage ripple, parallel capacitors at both ends of the LED.2. Components on the PCB board change with temperature, such as NTC negative temperature coefficient
The difference between a voltage regulator diode and a TVS diode
1.Symbol packagingThe circuit symbols and packaging of voltage regulator diodes and TVS diodes are basically the same as those of voltage regulator diodes. Sometimes it is even difficult to distinguis
Crystal Oscillator Introduction Overview
I. Definition and PrincipleA quartz crystal oscillator, commonly known as a quartz crystal or crystal oscillator, is an electronic component that uses the piezoelectric effect of quartz crystals (also
Introduction to High Precision Hall Current Sensor
High Precision Hall Current Sensor AHBC-LTAG Product features: high precision, good linearity, high bandwidth, no insertion loss, strong anti-interference ability Application areas: AC variable speed
How to choose the best switch-mode DC-DC converter?
Using the energy storage characteristics of capacitors and inductors, through the high-frequency switching action of controllable switches (MOSFETs, etc.), the input electric energy is stored in the c
Introduction to compensation capacitor spacing and capacitance
1.SpacingIn order to ensure the compensation effect, the setting distance of the compensation capacitor should be as short as possible, so that the transmission channel characteristics tend to be "dis
The reasons for the damage of the varistor
A varistor is a voltage-limiting type of protector that uses the non-linear characteristics of the varistor. When an overvoltage appears at its poles, the varistor can clamp the voltage to a relativel
Overvoltage and varistor in the circuit
With a bang, the electric fan exploded. Have you ever had such an experience? This is because the voltage is too high, but it does not rule out that the electric fan has been used for too long.The upp
How to use resistors to regulate the output of the power supply and protect it from failure?
There are various types of power supplies on the market, and the use of various resistors in these power supply designs greatly expands the range of choices. For clarity, the power supply referred to
What is the current of a semiconductor radio? Does a semiconductor radio have radiation on the human body?
The current of the power supply of a semiconductor radio is about 50mA. Radios can be classified from different angles.According to the received broadcast system, it can be divided into amplitude modu
This is what electronic components look like when they are cut open
What does the inside of commonly used electronic components look like? Have you seen it? Today we will take a look at the internal structure of electronic components! Here are cross-sections of 25 com
What are the advantages of thin film capacitors in handheld devices?
With the development of technology and the progress of the times, people have a life with electronic products. Many families have electronic products such as smartphones, computers, televisions, refri