This article compares traditional moving coil speakers, analyzing the characteristics of new piezoelectric ceramic speakers and the requirements for the required audio power amplifier, comparing and analyzing various commonly used boost structures and audio power amplifiers,which tests a variety of

Piezoelectric ceramics have the characteristics of high reliability, high resolution, high stiffness, large output, etc., and are ideal driving components for precision motion and positioning. The flexible hinge mechanical structure has the characteristics of smooth movement, no friction, no empty r

Piezoelectric ceramic is a functional pzt ceramic material that can convert mechanical energy and electrical energy to each other. The so-called piezoelectric effect means that when some medium is subjected to mechanical pressure, even if this pressure is as small as sound wave vibration, it will pr

Voice converter is one of the most common applications. Piezoelectric ceramics can be used as ultrasonic sound transducers such as pickups, microphones, headphones, buzzers, ultrasonic sounders, sonar, and ultrasonic flaw detectors of materials. For example, a buzzer on a children ’s toy is a curre

Working principle of piezoelectric ceramic buzzerThere are two driving methods for the piezoelectric buzzer,piezo ceramic element is the external driving method and the self-driving method. As shown in Figure 5.　　

What is piezoelectric ceramicPiezoelectric ceramics is an information function PZT material piezo ceramic that can convert mechanical energy and electrical energy to each other-piezoelectric effect. In addition to piezoelectricity, piezoelectric ceramics also have dielectric properties and elasticit

Hydrothermal preparation of thick films has many advantages:① This process is completed in the liquid phase at one time, and no later crystallization heat treatment is required, thus avoiding defects such as cracking, grain coarsening, reaction with the substrate or atmosphere that may be cause duri

Piezoelectric materials are functional materials that realize the conversion between mechanical energy and electrical energy. Its development has a long history. Since the discovery of the piezoelectric effect on quartz crystals by the CURIE brothers in the 1880s, piezoelectric materials have attrac

What is the piezoelectric effectAbout piezoelectric effect,When a certain dielectric is deformed by an external force in a certain direction, polarization will occur inside it, and positive and negative charges will appear on its two opposite surfaces. When the external force is removed, it will ret

Overview of piezoelectric ceramic transducersPiezoelectric ceramic transducer is composed of piezoelectric ceramic crystal and light and heavy two metals. After polarization treatment at a certain temperature, it has piezoelectric effect. Piezoelectric ceramic ultrasonic transducers have entered the

Principle of piezoelectric ceramic transformerPiezoelectric ceramic transformer is a new type of chip device that realizes low voltage input and high voltage output through the secondary energy conversion of electrical energy --- mechanical energy --- electrical energy. I

In the special piezo ceramic industry, there are also some "flavoring agents". Although the amount added in the piezo ceramic formula is very small, it has a very important role in improving the processing performance of special piezo ceramics and improving the performance of special ceramic product

Barium titanate is the basic raw material of electronicpiezoceramics and the pillar of the electronic ceramics industry. Barium titanate has high dielectric constant and low dielectric loss characteristics as well as excellent ferroelectric, piezoelectric, withstand voltage and insulation properties

Application and characteristics of focused ultrasound:The low-frequency concave-convex piezoelectric ceramic transducer has been theoretically and finite-element-analyzed. The transducer has the characteristics of low resonance frequency, small impedance, high emission voltage response, small 360-de