★ I explained the principle of crying (squealing) capacitors.
We are also conducting an experiment to actually make a cry from a ceramic capacitor.

overview
00:00 Opening
00:23 Today's theme
00:49 Capacitor crying (squealing), order of commentary
01:08 What is the piezoelectric effect (piezo effect)?
05:20 Principle of crying (squealing) capacitors
09:10 Let's make the capacitor cry
11:49 Bonus experiment

◇ Related videos
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   • プロは知っているコンデンサの種類と特徴/用途に応じて使い分けよう！  
★ [Beginner] What is a capacitor? ?? I actually made it and experimented
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   • 【中級】コンデンサは、電気を蓄えるだけじゃない/NanoVNAでコンデンサ特性評価  
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   • 高校の知識(物理、数学)で解くRCフィルタ回路前半 ～微分、複素数、オームの法則～  
★ RC filter circuit to solve with high school knowledge (physics, mathematics) Second half-Measurement with NanoVNA-
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Commentary video by an active engineer
Technical explanations related to electrical and electronic engineering, how engineers work, 🏫 at school
I will make a video of how what I learned is utilized in society (^^)!
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▼ Next time
Undecided, MOSFET related is under consideration * ゜ ▽ ゜) No
High School Physics: Resistance, Ohm's Law
High school math:
Chemistry:
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▼ Profile
This is an example of the design content.
Hayabusa2 Radio / Hayabusa2 brought back the sand of the asteroid Ryugu
Disaster prevention radio / fire engine, ambulance
Microsatellite radio / satellite data communication
Video transceiver / TV, wireless relay transmission device for defense
To know the position of the radar pulse amplifier / rocket
For radar detector / radar irradiation detection
5G base station / 4x4 MIMO (10Gbps) for a certain company
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▼ Owned technology
・ High frequency circuit
(Up converter, down converter, power amplifier,
Synthesizer, filter)
・ Analog circuit (DCDC, regulator)
・ Digital circuit (FPGA, CPLD, MCU)
-Hardware logic (FPGA, CPLD)
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#Capacitor
#Capacitor squeal
#Capacitor crying
#Capacitor circuit
#electronic work
#Tomachanneru
#Impedance matching
#Smith chart
#Antenna matching
#wireless