domingo, 23 de noviembre de 2014

EEVblog #487 - Tekway DST1102B Oscilloscope Review

Fundamentals of Physics II with Ramamurti Shankar

Fundamentals of Physics with Ramamurti Shankar

EEVblog #486 - Does Current Flow Through A Capacitor?

EEVblog #485 - Agilent TrueVolt 34461A Multimeter Teardown

EEVblog #484 - Home Solar Power System Installation

EEVblog #483 - Microcontroller Voltage Inverter Tutorial

EEVblog #482 - Retro Iskra Multimeter Teardown

EEVblog #481 - Mailbag

Understanding the concepts of aliasing and how to detect and fix it usin...

sábado, 16 de agosto de 2014

Electronic Basics #7: 7 Segment Display

Shell Scripting : Linux Tutorial 15

VI Editor : Linux Tutorial 14

Make a DOS Command

Make a DOS Command

Managing Processes : Linux Tutorial 13

FTP,SSH,Ping in Linux: Linux Tutorial # 12

Environment Variables : Linux Tutorial #11

Regular Expressions : Linux Tutorial #10

Regular Expressions : Linux Tutorial #10

Pipes, Grep, Sort : Linux Tutorial 9

viernes, 15 de agosto de 2014

tube amp repair

How It's Made - McIntosh Tube Amp

Television And other Electronics Repair 101 Part 1

Switched mode power supply: composition and mode of operation

SMPS Tutorial (1): Introduction - Switched Mode Power Supplies and Power...

Convert PC Power Supplies for use by Ham Radio Part I

PC Power Supply Repair - No power, bad capacitor Flashing Green Light

Power Supply Repair

How switch mode power supplies (SMPS) work

Switch Mode Power Supply Repair #2

Switch Mode Power Supply Repair #1

Redirection in Linux : Tutorial #8

Print, Install Software and Email : Linux Tutorial 7

Linux File Permissions - Tutorial 6

sábado, 7 de junio de 2014

EEVblog #470 - Agilent N9344C 20GHz Spectrum Analyser Teardown

EEVblog #469 - Cockcroft-Walton Multiplier

200KV On A Grow Lamp

Fun With Arc Lamps

Arc Welders

Selenium Carbon Arc Rectifier

Mercury Arc Rectifier - Siemens

Mercury Arc Rectifiers, a brief overview

Old Rectifiers

Erase CD with HV + DVD

"Megger" high-voltage insulation tester

Insulation Resistance Test

Megger MIT515, MIT525 & MIT1025 Insulation Testers - Product Demo

Mini Review UNI-T UT501 Insulation tester 1000V

Uni-T UT511 insulation tester unboxing and preview

2500V vs a UT61E, guess who wins? Bonus: 5000V vs a Brymen BM869

EEVblog #468 - Uni-T UT513 Insulation Resistance Meter Teardown

EEVblog #467 - Walktime Rant - Crowd Funding Projects

EEVblog #466 - Dumpster Dive Night Raid

domingo, 20 de abril de 2014

EEVblog #436 - Saleae USB Logic Analyser Review & Teardown

EEVblog #435 - 3D Rocker Teardown

EEVblog #434 - SMD Thermal Pad & Drag Soldering Tutorial

RGB LED GLOBE - POV - 40 x 200

viSio volumetric 3D - POV display

EEVblog #433 - Mailbag

EEVblog #432 - Brymen Multimeters

EEVblog #431 - PCB Wave Soldering

POV LED DISPLAY (Frontal) Artecno2010

Rotating LED POV display

Wave soldering - Golfsolderen

PC Board Assembly - Wave Soldering Machine

viernes, 18 de abril de 2014

lunes, 24 de marzo de 2014

EEVblog #391 - Rigol DSA815 Spectrum Analyser Teardown

EEVblog #389 - Casio Calculator Investigation

Piezoelectric Ceramics Properties and Applications

Piezoelectric Ceramics Properties and Applications



Chapter 1
INTRODUCTION  (347kb)

Chapter 2
PHYSICAL BASIS PDF Document 971kb (971 kb)
2.1 The piezoelectric effect in ceramic materials
2.2 Piezoelectric materials
2.3 Dielectric hysteresis
2.4 Basic behaviour of a piezoelectric ceramic body
2.5 Stability
2.6 Depolarisation
2.7 Piezoelectric constants
2.8 Examples
2.9 Dynamic behaviour of PZT transducers
2.10 Frequency constant N
2.11 Coupling factor k
2.12 Comparison of piezoelectric ceramic and crystalline quartz
2.13 Pyroelectric behaviour
Chapter 3
GENERATORS PDF logo   (541 kb)
3.1 Static loading
3.2 Dynamic loading
3.3 Multilayer generators
Chapter 4
SENSORS PDF logo (567 kb)
4.1 Axial sensors
4.2 Flexional sensors
4.3 Temperature-dependence of sensors
4.4 Some practical applications
Chapter 5
ACTUATORS PDF Logo (1.65 MB)
5.1 Basic calculations on actuators
5.2 Composite actuators
5.3 Actuators for higher operating frequencies
5.4 Drive circuitry
5.5 Flexure elements as actuators
5.6 Applications
5.7 Piezoelectric pumps
5.8 Piezoelectric motors
5.9 Multilayer actuators
Chapter 6a
TRANSDUCERS PDF logo  (650 kb)
6.1 Ultrasonic power transducers
Chapter 6b
TRANSDUCERS (Cont’d) PDF logo  (758 kb)
6.2 High intensity transducers with amplitude transformation
6.3 Pulverisation of liquids
6.4 Ultrasound air transducers
6.5 Flexure mode ultrasound transducers
Chapter 6c
TRANSDUCERS (Cont’d) PDF Logo (921 kb)
6.6 Compact ultrasound air transducers
6.7 Sound transducers (buzzers)
6.8 A fluid level sensor
6.9 PZT delay lines
6.10 PZT transformers
Chapter 7
COMBINED APPLICATIONS PDF Logo (205 kb)
7.1 Echo-sounding systems
7.2 Flow meters
7.3 Key finder
Chapter 8
TESTING OF PZT DISCS AND PLATES PDF logo (175 kb)
8.1 General
8.2 Dynamic methods
8.3 Quasi-static method
8.4 The effective coupling factor derived from resonance behaviour

EEVblog #386 - Glass Delay Lines Part 2

EEVblog #385 - Amstrad NC100 Notepad Repair