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Questions tagged [piezo]

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Piezoelectricity is the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics, and biological matter such as bone, DNA and various proteins) in response to applied mechanical stress.

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So I have found this circuit from this website: https://sound-au.com/project202.htm As you can see in the picture there is the 9V battery powering the omp amps, but for the +4.5V, how is that ...
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I have an ultrasound transducer that seems deteriorated and should be replaced. It is part of a TDK NB-80E-01-H unit for mist generation. The actual transducer has a soldered-on cable with a connector....
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I have a piezo-electric guitar pickup that has bare wire coming off of it. I have a pair of headphones with a 3.5mm jack. I know that the pickup is going to produce a signal that isn't at the right ...
Him's user avatar
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I wanted to design a circuit to put a 108 kHz piezo oscillator into resonance (12V and 500mA-Max). I designed the circuit as follows. I did not place the bootstrapping diode D1, as it's not needed per ...
Jim's user avatar
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I usually drive a piezo buzzer with the common driving circuit: a MOS (or NPN) and a resistor across the buzzer (between VCC and drain). The gate is driven by a MCU with a square wave. The pressure ...
mtx4's user avatar
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I'm working on a project where I'm using a piezoelectric sensor to capture vibrations from a solid surface (like a contact mic). The signal I get is very weak and noisy when connected directly to an ...
galileo cofone polack's user avatar
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1 answer
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I need to put lighting down the side of moving rolling stock, along the lines of lighting found on planes and road trains. But the solution can’t use traditional power sources or solar as the wagons / ...
H00ter's user avatar
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1 answer
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I am trying to replicate this mist generator circuit, and I have searched for hours trying to find this 3-pin inductor-looking SMD part, but it seems impossible to find. Does anyone have any idea what ...
Nicolas Montoya's user avatar
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I am trying to use a piezoelectric sensor to detect vibrations on nearby bounces of a ball on my desk but I am having trouble getting the results I want. I am new to Arduino so it may be something ...
dspillane9's user avatar
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I have a high voltage driver IC kit. While searching for high voltage piezo electric actuators (between 100V-220V), I saw many of them are expensive. Above 10USD. To avoid that thing, I had an idea ...
Potionless's user avatar
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The following circuit was taken from the following source: TI Source I would like to understand whether it is better to apply a 4000Hz square wave or a 4000Hz sine wave to this buzzer. In addition, ...
JoeyB's user avatar
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Can piezoelectric components like Langevin transducers be driven using unfiltered near sine wave PWM? If so, what are the upsides / downsides? Where can I learn more? As an example, I'm attaching ~...
beardeadclown's user avatar
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For a couple days I try to understand how the following ultrasonic driver circuit works. Possibly it drives a 40 kHz piezo. I reverse engineered and drew the circuit. There are lots of things that I ...
kemal's user avatar
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this is going to be a little long but I wanted to include as much detail as possible in my question. There is a TLDR at the end. I am part of a design team focused on making a vibration and audio ...
Ashaya KC's user avatar
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3 answers
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I designed this simple pre-amp circuit for a piezo electric pickup. I spun a PCB and built 2 boards up. It works, but I wanted to get some feedback on the design. Are there any apparent issues with ...
Feloria's user avatar
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I have a pulse consisting of sine waves driving a piezo transducer at around 120kHz into a gas. If the gas temperature remains constant, but the temperature of the piezo changes how will that affect ...
Dirk Bruere's user avatar
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I set this circuit to use piezo as transceiver. I can perfectly transfer the transmitter signal (10 burst pulse) but as transmitter still connected onto piezo , any reveived signal is disappears. When ...
ali demir's user avatar
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I'm trying to use a piezo element as a tactile feedback actuator. I've successfully managed to use it with 10 * 9V batteries in series which had an output of 90 volts. However, I'd like to test it in ...
Michael Efraimidis's user avatar
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I try to use single piezo as transceiver. Is this possible if i can T/R switch using FET or BJT ? I found this schematich but not sure if it works. https://www.researchgate.net/publication/...
ali demir's user avatar
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My objective is to use a single piezo as a transceiver and calculate the distance between the sensor and the object that sound echos from using time of fly. I use ...
ali demir's user avatar
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1 answer
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I have a piezo amplifier from PI instruments (model: E 610) that has to be connected to a cylindrical vibration sensor(piezo). I do not know how to make it vibrate using the amplifier and a function ...
Anang Katyayan's user avatar
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I am at the stage of designing a system that match impedance of the power output (half-bridge) to a piezo transducer operating at 1MHz (Max 60W of power). I calculated the piezo parameters from the ...
piotr's user avatar
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What is the relationship between electrical and mechanical resonance of piezoceramics. I have a piezoceramic disk made of PZT-5A material. Feeding a sinusoidal waveform to it from a signal generator, ...
Denis's user avatar
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I have a small 2 watt piezoelectric aquarium air pump, which uses a piezo device instead of an electromagnet, to move a diaphragm. There is a bit of circuitry which seems to convert 220v to 110v, but ...
Alan's user avatar
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I'm making a musical instrument, where you pluck "teeth" which have piezo disc sensors attached to them, and I want to get the output of the piezo into a microcontroller so I can interpret ...
Jeff Kaufman's user avatar
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3 answers
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I am working on a project that has this piezo sensor. How I can connect wire to it?
Monesh Rathod's user avatar
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I'm trying to design a power stage for driving a piezo transducer. It has resonance at about 1 MHz. My system has a DC voltage of 24V. The circuit will be locking frequency based on phase of voltage ...
piotr's user avatar
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I am using AB4113B The issue: Due to vibrations wire soldered on the Piezo is breaking. The setup: Piezo (metal end) soldered on a PCB directly, and wire is soldered on ceramic part to a PCB pad close ...
Anurag Kumar's user avatar
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1 answer
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I am currently working on a project that involves the use of a piezoelectric sensor which is of the ceramic type and produces charge when a force is applied. I want to convert this charge to a voltage ...
Hannan Ayub's user avatar
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2 votes
1 answer
391 views

I am looking for methods to verify whether a Piezo is damaged/defective or good. Are there ways to verify that using just electrical parameters like resistance, capacitance etc. My issue is that it's ...
Anurag Kumar's user avatar
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I have a circuit for measuring piezo signals, roughly based on Analog Devices CN0350. It contains a charge amplifier that converts the piezos' charge to a voltage signal. When measuring signals of ...
Johannes's user avatar
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2 answers
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I am working with a sensor which has piezos in it. I want to know what piezo resonating frequency really means. The piezo I'm using has a resonating frequency of 570kHz as mentioned on the website. ...
Monesh Rathod's user avatar
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2 answers
322 views

The crystal looks like in the given image I want to find the resonating frequency, whether is it variable or fixed. I find its manufacturer has not given much detail about it. Does a piezo resonate ...
Monesh Rathod's user avatar
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1 answer
222 views

This circuit is used to drive the piezo actuator used in external cavity diode lasers to tune the frequency of the laser. I don't understand the purpose of Op-amp U9 and the other transistors used. ...
Shubham Chowdhury's user avatar
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I've been lucky enough to inherit a project where I need to be able to drive 35mm piezoelectric disk at a frequency of 2450 hz and an amplitude of 160 volts peak to peak. The last person on the team ...
Eisotopius20's user avatar
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1 vote
2 answers
562 views

I am trying to collect energy by using an LTC3588 and some piezo elements. The voltage meter shows from -200mV to 200mV depending on how much / how strong I touch the piezo. I have set the LTC to 3.6V ...
Døner M.'s user avatar
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3 answers
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The circuit is a charge amplifier that connects to a piezoelectric sensor. A buffered voltage divider provides a VDD/2 virtual ground, so the output is in range 0.0V - VDD and oscillates around VDD/2. ...
Johannes's user avatar
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1 vote
1 answer
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I would like to harvest energy to keep a LFP battery charged (for a BLE device which has VERY little consumption). The battery already lasts several months, but since the device will be closed/sealed ...
Døner M.'s user avatar
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2 votes
1 answer
314 views

Would this crystal radio circuit, that I came across, work? If it would not work, I would like to know which part of the circuit could be the likely cause and why. The speaker shown is actually a ...
Mr.Ananas's user avatar
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2 votes
1 answer
144 views

What is the right tool to verify the resonant frequency of 1 Mhz (per spec) piezo? Consider that I need something low cost, does it make sense to use NanoVNA or does it require an impedance analyzer?
user1135541's user avatar
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1 answer
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piezo materials are commonly modelled with the BVD model When the piezo is used as a sensor, they are commonly modelled as a current source in parallel with a capacitor because à external force ...
nohu42's user avatar
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0 answers
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I am in the process of designing a PCB that will drive a piezo transducer that is split into 4 quadrants with a DAC81404. The piezo transducer will move an atomically sharp tip to probe the surface of ...
Calvin Gloster's user avatar
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1 vote
1 answer
354 views

I have a self drive piezo element/self excited piezo element that I want to resonate at about 1-2kHz. As of my understanding, by using a circuit like in the figure below, the element will resonate at ...
eidetech's user avatar
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1 vote
0 answers
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The DRV2700 from Texas Instruments is an integrated circuit for driving piezoelectric/capacitive loads at relatively high voltages (max. +/-100 V) while the supply voltage can be as low as 3.3 V. This ...
Charly's user avatar
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1 answer
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I'm having a problem on my project. I connected two piezoelectric sensors together in parallel, but when I run the simulation on virtual terminal, the reading shows that it only using one ...
Kcjcj xjxjx's user avatar
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0 votes
1 answer
260 views

I am trying to generate a ~40vpp sine waveform with a Rigol DG1022Z. Its maximum is 20Vpp. I want to test the device at frequency ranges of a piezo device from 40kHz to up to 200kHz. This is to drive ...
nk13's user avatar
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0 votes
1 answer
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What piezo do I need to create electricity by walking? Would any piezo work? Please help me, I need this for a school science project. I could buy a single piezo just to test, but I want to buy them ...
FroZen Mitko's user avatar
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0 votes
1 answer
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I am trying to increase the current to be able to drive a piezoelement that has an input current of 273.78 mA. Because the output sinewave is 20mA i connected the output of the LM358P to a TC4427A to ...
Hakim Marley's user avatar
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For research purposes, I need to make a vibration of 40 kHz modulated at 200 Hz. I have a DDS signal generator that can output this specific signal. I tried to amplify this signal, but I'm nowhere ...
qc_engineering's user avatar
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1 vote
1 answer
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I'm a little out of my zone of mechanical engineering here, so I'll need your help. Up to date, I got the right frequency (40 kHz modulated for a 200 Hz low frequency) coming out of my function ...
qc_engineering's user avatar
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