I hosted a webinar on October 7, 2022 on

"Parameters to measure in ultrasonic transducer impedance analysis"

You can watch the recording on my YouTube Channel here: 

https://youtu.be/4qUYmYwpCBQ

Here is a link to the presentation notes: Link

Topics

In this webinar, I give a comprehensive overview of piezoelectric and ultrasonic transducers. Here are the topics:

• 0:59 - Outline
• 2:00 - About Ultrasonic Advisors
• 2:59 - What is impedance?
• 5:21 - How is impedance measured?
• 7:40 - Measurement of an ultrasonic cleaning transducer
• 20:00 - Measurement of Q-factor from impedance
• 24:50 - Measurement of Q-factor from conductance or real admittance
• 26:56 - Explanation of real impedance and admittance parameters
• 30:50 - Impedance measurement of piezo-unimorph
• 34:00 - Describing poor measurement when transducer is left on table
• 34:50 - Utilizing conductance and resistance to describe response of piezo-unimorph with great representation
• 37:10 - Calculation of Q-factor from conductance
• 41:40 - Measuring Q-factor accurately in the present of large damping on piezo unimorph

***Announcement***

My next webinar will be November 4, 11AM ET "Electrical analysis of Ultrasonic transducers - Capacitance [Topic may change based on feedback]"

Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar