Electronics Notes by Ian Poole

Before Instant-On: The Hidden Physics of Vacuum Tubes YouTube video by ElectronicsNotes

Before Instant-On: The Hidden Physics of Vacuum Tubes (Valves)

Check out my latest video: youtu.be/u_htxrYUIdw
#valves #vacuumtubes #thermionicvalves #vintagetech #vintagetechnology

#valves #vacuumtubes #vintagetech #vintagetechnology #electronicsnotes #electroniccomponents

Resistor Colour Codes 101

Do you ever get confused reading resistor colour codes.

Check out more YouTube short video to find out more: youtube.com/shorts/A2nh4...

#resistors #resistorcolorcode #resistorcolourcode #electronicsnotes #electroniccomponents #electronicsengineering

Explore the fascinating history of the Morse telegraph: how it started and revolutionised communication across the distances, linking continents via undersea cables, and served as a lifeline for global shipping.

Check it out now: www.electronics-notes.com/articles/his...

#morse #morsetelegraph

Want to understand about the different ceramic capacitor dielectrics?

Check out my ‘Concise Guide to Ceramic Capacitors & Their Dielectrics’'

Find out more: electronics-notes-shop.fourthwall.com/products/a-c...

#electronics #capacitors #ceramiccapacitors #ebook #electroniccomponents

Yes, that was a classic. Very widely used and cheap as well.

Op Amps:- Why Are They So Useful

In this video I take a look at why operational amplifier, or op-amps are so great and so useful.

Watch my video now: youtube.com/shorts/YY8IX...

#opamps #operationalamplifiers #circuitdesign #analogdesign #hardwaredesign #electronicsnotes #electroniccomponents

MOSFET vs. IGBT – Understanding the Giants of Power Electronics

IGBTs & MOSFETs are both big players in power electronics & these two types of device can be considered as rivals but it’s necessary to select the correct option for each circuit.

Discover: www.electronics-notes.com/articles/ele...

Resistor Colour Code 101 - What You Need to Know

In the video I provide all you need to know along with practical examples.

Watch now: youtu.be/QhBJnPXN6L0

#resistors #colourcode #colorcode #resistorcolorcode #resistorcolourcode #electroniccomponents

I’m so disappointed - the terrestrial weather here has been overcast and cloudy. No chance of seeing any auroral lights.

They were trying to invent a field effect transit instead they invented the point contact transistor.

It was a great Christmas present for the bosses at Bell Labs as it was demonstrated just before the the festive season.

Find out more in my YouTube short video: youtube.com/shorts/D9olB...

Brings back some memories!

All Products | Electronics-Notes The official All Products collection for Electronics-Notes. Shop products like: , Basics of Inductance Crib Sheet, and more.

'Skill Up for 2026' with My Amazing Value Technical Ebook Bundle.

The bundle includes Guides to Operational Amplifiers; Superhet Radio, and Multimeters.

These three popular ebooks are now offered with a saving of ~20%.

Don't mss out: electronics-notes-shop.fourthwall.com/collections/...

RESISTORS 101: the Mysteries Unveiled YouTube video by ElectronicsNotes

RESISTORS 101: the Mysteries Unveiled

Check out all you need to know about resistors in electronics in my latest video.

Watch now: youtu.be/ERce1gSIKmk
#resistors #resistors101 #resistorbasics #electronics #electroniccomponents

How the Vacuum Tube Created Modern Electronics

A very brief introduction to how the vacuum tube / thermionic valve founded what we call electronics today.

Watch now: youtube.com/shorts/SnZAs...

#vacuumtube #thermionicvalve #vintageradio #techhistory #historyoftechnology #electronics

Yes - thanks for your comment and input to add to my post.

Why You NEED An Emitter Follower

Check out my video now: youtu.be/fSki6td8L4c

#electronics #circuitdesign #emitterfollower

Brilliant Morse Code Coffee Mug

Featuring every letter of the alphabet clearly displayed with its Morse code equivalent, it's perfect for showing off your passion for radio and communication.

Buy yours now: electronics-notes-shop.fourthwall.com/en-gbp/produ...

#merch #coffeemug #morsecode

A Concise Guide to RF Attenuators and Their Design This PDF download covers the basic aspects of constant impedance Pi and T RF attenuators and their design. RF attenuators are used in many areas of electronics and in particular within RF design where...

A Concise Guide to RF Attenuators and Their Design

I've just launched the first of my 'Concise Guides.'

At 5k words it looks at RF attenuators - the constant impedance Pi and T attenuators.

Buy it now or check out more details: electronics-notes-shop.fourthwall.com/products/a-c...

A Guide to Superhet Radio Technology This book covers all the basic aspects of the superhet radio. The aim was to provide all the essential elements of the superheterodyne radio in one volume, explaining the background, the basic concept...

Check out my ‘Guide to Superhet Radio Technology’

This book covers all the basic aspects of the superhet radio.

To buy the book or find out more details: electronics-notes-shop.fourthwall.com/products/a-g...

Why are Silicon CARBIDE Schottky diodes so great? YouTube video by ElectronicsNotes

Are SILICON CARBIDE Schottky Diodes Really So Great?

Check out my video to find out what SiC Schottky diodes and and what their advantages really are.

Watch my vide now: youtu.be/RWVpvi2tlcA

#SiC #Siliconcarbide #Scottky #diodes #electrponiccomponents

Why Metal Film Resistors Have Inductance

In this video I explain why these resistors have inductance and where they can be used.

Check out the video now: youtu.be/XNyl0Pxas64

#resistors #inductance #metalfilm #electroniccomponents

Does the Beverage antenna have any uses these days, or is it obsolete?

Find out more about the antenna, its advantages & if it has any uses today.

Discover: www.electronics-notes.com/articles/ant...

#antennas #hamradio #hamr #amateurradio

Exploring Electrolytic Capacitors - all the essential information

Understand the essentials of electrolytic capacitors, discover their benefits & understand how they can be used to provide high levels of capacitance with high reliability.

More: www.electronics-notes.com/articles/ele...

Understanding Transistor Current Gain Notations 101: beta, hfe hFE

Check out my video now: youtu.be/DcfExBrI8Cw

Why the OC71 Transistor is a Big Deal

This transistor was an iconic electronic component of the 1960s.

Find out all about it in my video: youtube.com/shorts/AHCmo...

#OC71 #transistor #vintageradio #electroniccomponents #techhistory #historyoftechnology

1N5822 Schottky Diode

I’ve just released the YouTube Short version of my 1N5822 video.

In this short I provide some of the basic details of this popular diode.

Check out the video now: youtube.com/shorts/AzRTi...

How to Clean Away Battery Corrosion and Get Gadgets Working Again

In this video I show you how I cleaned up an old battery powered clock where the battery had leaked and brought it back to life.

Check out the video now: youtu.be/JXIT_CWEmN8

Understanding how the Superhet / Superheterodyne Radio Works

Check out my video to gain a good understanding.

Watch now: youtu.be/dk6DdG4vs4Y

#superhet #superheterodyne #radio #amateurradio #hamradio #hamr

CAPACITORS 101: the Mysteries Unravelled

In my YouTube short I give a quick overview of capacitors and what they are.

It’s a great introduction to find out what they are with a link to a longer form video.

Check out my video now: youtube.com/shorts/UC_7g...

Vintage Tech Reigns Vacuum Tube / Valve T-Shirt This truly unique T-shirt shows some vintage valves or vacuum tubes from the first half of the 20th century. You can show off your interest in technology with this T-shirt that has been designed using...

I've just launched a new vintage valve / vacuum tube T-shirt on my online shop.

This truly unique T-shirt shows some vintage valves or vacuum tubes from the first half of the 20th century.

Check out more details on my online shop: electronics-notes-shop.fourthwall.com/products/vin...