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Frantone Electronics

How Frantone Pedals Are Made

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Using an Electronic Balance

For more information, visit http://www.bio-rad.com/yt/11/biotech-lab-textbook.
This video demonstrates the proper use of an electronic balance. This activity is included in the laboratory textbook Biotechnology: A Laboratory Skills Course.

http://www.bio-rad.com/evportal/destination/product?catID=LKN6R715&WT.mc_id=yt-lse-ww-biotech-20121012-0UymyTJATLc

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Our Mission: Bio-Rad’s Explorer program provides easy access to engaging hands-on science learning experiences that spark interest in science and its influence on the world.

To do this we:

Provide high quality, relevant, learning experiences based on real world science

Empower educators with skills and confidence to deliver engaging, memorable lessons

Connect with Bio-Rad Explorer Online:
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Amazon Video

Using an Electronic Balance

For more details, go to http://www.bio-rad.com/yt/11/biotech-lab-textbook.
This video clip shows the appropriate use of an electronic balance. This task is included busy book Biotechnology: A Laboratory Skills Course.

http://www.bio-rad.com/evportal/destination/product?catID=LKN6R715&WT.mc_id=yt-lse-ww-biotech-20121012-0UymyTJATLc

We Are Bio-Rad Explorer.

Our Mission: Bio-Rad’s Explorer program provides simple accessibility to involving hands-on science discovering experiences that spark rate of interest in science and also its impact on the globe.

To do this we:

Supply high quality, appropriate, learning experiences based upon actual globe science

Encourage instructors with abilities as well as confidence to supply appealing, remarkable lessons

Attach with Bio-Rad Explorer Online:
Website: http://www.bio-rad.com/en-us/education
Twitter: https://twitter.com/BioRadEducation
Pinterest: https://www.pinterest.com/bioradexplorer/
LinkedIn: https://www.linkedin.com/company/1613226/
Facebook: https://www.facebook.com/biorad/
Instagram: @BioRadLabs
Snapchat: @BioRadLabs

Amazon Video

Understand the K Map with 10 Questions | Digital Electronics | Startup 2.0 | Chandan Sir | Gradeup

Follow Chandan Sir at Gradeup: https://gradeup.co/user/chandan-kumar-jha-i-bcb9b300-fef5-11e9-b708-7d52a32bc420

Watch the live class on Understand the K Map with 10 Questions for ESE and GATE21 Preparation by Chandan Sir. Practice questions on Digital Electronics for ESE and GATE21 Exam. These classes will help you to level up your preparation for ESE and GATE21. In this session Gradeup Expert will discuss Digital Electronics.

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Amazon Video

Digital Electronics — Flip-Flops

This video will discuss Flip-Flops. I will cover the following topics:

Cross Coupled NOR and NAND SR Flip-Flops Truth Tables
SR Flip-Flop Timing Diagram
Gated SR Flip-Flops Truth Table
Gated SR Flip-Flop Timing Diagram
Asynchronous SR Flip-Flop
Asynchronous SR Flip-Flop Timing Diagram
Positive Edge Trigger
Negative Edge Trigger
D Type Flip-Flop Truth Table
D Type Flip-Flop Timing Diagram
Asynchronous D Type Flip-Flop Truth Table
Asynchronous D Type Flip-Flop Timing Diagram
JK Flip-Flop Truth Tables
JK Flip-Flop Timing Diagram
Asynchronous JK Flip-Flop Truth Table
Asynchronous JK Flip-Flop Timing Diagram

You will find some other helpful items below:

Lecture notes: https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Flip_Flops
To help you take your notes: https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Flip_Flop_NotePages.pdf

Handouts and Practice
https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Handouts_Digital_1.zip
https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Handouts_Digital_2.zip

Please leave a comment and ‘like’ the video if it was helpful.

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How to repair washing machine Remco pcb relay failure D-lab Electronics

Repair tip to keep your Washing machine control board working. Easy technique utilizing NTE relay sub. The format of this repair demo is also handy for working on other type boards. D-lab electronics is offering more teaching / how to videos on Curious.com.

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Digital Electronics — Basic Logic Gates

This video will introduce Basic Logic Gates. I will cover the following topics:

What is an AND gate?
What is an OR gate?
What is a NOT gate?
Construct truth tables for logic circuits
Use truth tables to prove Boolean theorems
Express the output of a logic circuits using a Boolean expression
Express a Boolean expression as a logic circuit

You will find some other helpful items below:

Lecture notes: https://grace.bluegrass.kctcs.edu/~kdunn0001/files/3_Basic_Logic_Gates
Lecture notes: https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Exclusive_OR_Gate

Handouts and Practice
https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Handouts_Digital_1.zip
https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Handouts_Digital_2.zip

Please leave a comment and ‘like’ the video if it was helpful.

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Digital Electronics — Boolean Algebra and Simplification

At 24:30: On the last practice problem, the lines below the problem should be over the Bs NOT the As. So (A+B’+C) + AB’+C

This video will introduce Boolean Algebra and Simplification. I will cover the following topics:

Describe the basic operations, laws and theorems of Boolean Algebra
Commutative Laws
Associative Laws
Distributive Laws
Identity Laws
Complement Laws
Dual Property

Use truth tables to prove Boolean theorems
Express the output of a logic circuits using Boolean algebra

You will find some other helpful items below:

Lecture notes at: https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Simplification

Handouts and Practice
https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Handouts_Digital_1.zip
https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Handouts_Digital_2.zip

Please leave a comment and ‘like’ the video if it was helpful.

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Electronics: “Basic Amplifiers” 1963 US Army Training Film TF11-3419

Support this channel: https://www.patreon.com/jeffquitney

more at http://electronics.quickfound.net/

“THEORY, CONSTRUCTION AND OPERATION OF BASIC AMPLIFIERS IS EXPLAINED. FOUR GENERAL METHODS OF COUPLING ARE ALSO DISCUSSED.”

US Army Training Film TF11-3419

Originally a public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).

http://en.wikipedia.org/wiki/Electronic_amplifier
Wikipedia license: http://creativecommons.org/licenses/by-sa/3.0/

An electronic amplifier is used for increasing the power of a signal.

It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In this sense, an amplifier may be considered as modulating the output of the power supply.

The term amplifier is applied to anything from a circuit (or stage) using a single active device to a complete system such as a packaged audio hi-fi amplifier.

Types of amplifier

Amplifiers can be specified according to their input and output properties. They have some kind of gain, or multiplication factor relating the magnitude of the output signal to the input signal. The gain may be specified as the ratio of output voltage to input voltage (voltage gain), output power to input power (power gain), or some combination of current, voltage and power. In many cases, with input and output in the same units, gain will be unitless (although often expressed in decibels); for others this is not necessarily so. For example, a transconductance amplifier has a gain with units of conductance (output current per input voltage). The power gain of an amplifier depends on the source and load impedances used as well as its voltage gain; while an RF amplifier may have its impedances optimized for power transfer, audio and instrumentation amplifiers are normally employed with amplifier input and output impedances optimized for least loading and highest quality. So an amplifier that is said to have a gain of 20 dB might have a voltage gain of ten times and an available power gain of much more than 20 dB (100 times power ratio), yet be delivering a much lower power gain if, for example, the input is a 600 ohm microphone and the output is a 47 kilohm power amplifier’s input socket.

In most cases an amplifier should be linear; that is, the gain should be constant for any combination of input and output signal. If the gain is not constant, e.g., by clipping the output signal at the limits of its capabilities, the output signal will be distorted. There are however cases where variable gain is useful.

There are many types of electronic amplifiers, commonly used in radio and television transmitters and receivers, high-fidelity (“hi-fi”) stereo equipment, microcomputers and other electronic digital equipment, and guitar and other instrument amplifiers. Critical components include active devices, such as vacuum tubes or transistors. A brief introduction to the many types of electronic amplifier follows.

Power amplifier

The term power amplifier is a relative term with respect to the amount of power delivered to the load and/or sourced by the supply circuit. In general a power amplifier is designated as the last amplifier in a transmission chain (the output stage) and is the amplifier stage that typically requires most attention to power efficiency. Efficiency considerations lead to various classes of power amplifier based on the biasing of the output transistors or tubes: see power amplifier classes.

…while semiconductor amplifiers have largely displaced valve amplifiers for low power applications, valve amplifiers are much more cost effective in high power applications such as “radar, countermeasures equipment, or communications equipment”. Many microwave amplifiers are specially designed valves, such as the klystron, gyrotron, traveling wave tube, and crossed-field amplifier, and these microwave valves provide much greater single-device power output at microwave frequencies than solid-state devices…

Transistor amplifiers

The essential role of this active element is to magnify an input signal to yield a significantly larger output signal. The amount of magnification (the “forward gain”) is determined by the external circuit design as well as the active device.

Many common active devices in transistor amplifiers are bipolar junction transistors (BJTs) and metal oxide semiconductor field-effect transistors (MOSFETs)…

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Digital Electronics — Counter Circuits

This video will discuss Counter Circuits. I will cover the following topics:

What are counter circuits
Ripple Counter
Duty Cycle
Modulus – MOD
Synchronous Counter
Asynchronous Inputs
Adjusting the MOD of a counter

You will find some other helpful items below:

Lecture notes: https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Counter_Circuits
To help you take your notes: https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Counters_Notes.pdf

Handouts and Practice
https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Handouts_Digital_1.zip
https://grace.bluegrass.kctcs.edu/~kdunn0001/files/Handouts_Digital_2.zip

Please leave a comment and ‘like’ the video if it was helpful.