ECOLITE electrical components Germany ECOLITE model ECOLITE price

ECOLITE electrical components refer to integrated circuits formed by integrating analog circuits composed of capacitors, resistors, transistors, etc., to process analog signals. There are many analog integrated circuits, such as operational amplifiers, analog multipliers, phase-locked loops, and power management chips. The main constituent circuits of analog integrated circuits include: amplifiers, filters, feedback circuits, reference source circuits, switched-capacitor circuits, etc. Analog integrated circuit design is mainly obtained through manual circuit debugging and simulation by experienced designers, whereas corresponding digital integrated circuit design is largely automatically synthesized under the control of EDA software using hardware description languages. Integrated circuits can be divided into two major categories based on their function and structure: digital IC and analog IC. Digital IC are used to generate, amplify, and process various digital signals (signals that change discretely in time and amplitude). Analog IC are circuits used to generate, amplify, and process various analog signals (signals whose amplitude changes continuously with time); they are one of the core technologies of microelectronics, capable of acquiring, amplifying, comparing, converting, and modulating analog quantities such as voltage or current.

ECOLITE electrical component parameters

The main parameters of a potentiometer include nominal resistance, rated power, resolution, sliding noise, resistance variation characteristic, wear resistance, zero-position resistance, and temperature coefficient. 1. Rated power: The maximum power allowed to be dissipated across the two fixed terminals of a potentiometer is its rated power. Note that the rated power is not equal to the power between the center tap and a fixed terminal. The rated power of a potentiometer refers to the maximum power allowed to be consumed under long-term continuous load at the specified rated temperature, when the atmospheric pressure is 87~107kPa. 2. Nominal resistance: The nominal resistance marked on the product, with series similar to those of resistors. 3. Tolerance class: The error range between the measured resistance and the nominal resistance allows for errors of 20%, 10%, 5%, 2%, 1% depending on the precision class. The precision of precision potentiometers can reach 0.1%. 10. Resistance variation law: Refers to the relationship between resistance and the rotation angle (or sliding travel) of the wiper contact. This relationship can take any functional form; common types include linear, logarithmic, and reverse logarithmic (exponential). In use, linear potentiometers are suitable as voltage dividers; reverse logarithmic (exponential) potentiometers are suitable as volume controls in radios, recorders, phonographs, and televisions. If a replacement of the same type is not available during maintenance, a linear type may be used as a substitute, but a logarithmic type is not recommended. Logarithmic potentiometers are only suitable for tone control, etc.

ECOLITE electrical component principles

Optical measurement and control systems vary widely due to the different principles of action of luminous flux on photoelectric elements. Based on the nature of the output quantity of the photoelectric element (optical measurement and control system), they can be divided into two categories: analog photoelectric sensors and pulse (switching) photoelectric sensors. Analog photoelectric sensors convert the measured quantity into a continuously changing photocurrent, exhibiting a single-valued relationship with the measured quantity. Analog photoelectric sensors can be classified into three major types based on the method of measuring the target object: transmission (absorption) type, diffuse reflection type, and light-blocking (beam obstruction) type. The transmission type refers to placing the measured object in the optical path, where light energy emitted by a constant light source passes through the object, and after partial absorption, the transmitted light projects onto the photoelectric element. The diffuse reflection type refers to light from a constant source projecting onto the measured object, reflecting off its surface, and then projecting onto the photoelectric element. The light-blocking type refers to the scenario where the measured object blocks part of the luminous flux from the light source, changing the luminous flux projected onto the photoelectric element; the degree of change depends on the position of the measured object in the optical path. Photodiodes are the most common optical sensors. The appearance of a photodiode is similar to that of a general diode. When there is no illumination, it behaves like a ordinary diode with very small reverse current, known as the dark current of the photodiode. When illuminated, carriers are excited, generating electron-hole pairs, known as photo-carriers. Under the influence of an external electric field, these photo-carriers participate in conduction, forming a reverse current much larger than the dark current, known as photocurrent. The magnitude of the photocurrent is proportional to the light intensity, so an electrical signal varying with light intensity can be obtained across the load resistor.

ECOLITE electrical component classification

Oscillators are mainly divided into RC, LC oscillators, and crystal oscillators. 1. RC oscillators: Oscillators that use an RC network as the frequency-selective phase-shift network are collectively referred to as RC sinusoidal oscillators, belonging to audio oscillators. 2. LC oscillators: Positive feedback oscillators that use an LC resonant circuit as the phase-shift and frequency-selective network are called LC oscillators. 3. Crystal oscillators: Oscillators whose oscillation frequency is controlled by a quartz crystal. 7. Temperature coefficient oscillators: An oscillator whose oscillation frequency has a specific relationship with temperature, i.e., different temperatures correspond to different oscillation frequencies. Conversely, by measuring the output frequency of the oscillator, the temperature value can be determined.

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