practice – FJM ECOM

Is your Champ suffering from low gain, unresponsive tone controls, well I have the answer. D-lab electronics can bring new life to your 70’s vintage Fender Champ or Vibro champ. A little fully reversible modification. The initial design was to keep the amp clean/quiet. Not sure why they decided to do this, but to appreciate the full capability of your Champ, I have the solution. My modification by itself will improve performance. However for ultimate performance, a complete capacitor replacement is recommended. So, send your Champ to my shop. I will ensure it is performing above original specifications.

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Silver face Fender Guitar Champ gain enhancement Modification offered D-lab Electronics New life

April 24, 2022 fjm1972

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English Advanced Reading Practice – Buying Electronics

November 15, 2020 fjm1972

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English Advanced Reading Practice – Buying Electronics

November 14, 2020 fjm1972

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Turkish Advanced Reading Practice – Buying Electronics

July 26, 2020 fjm1972

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Digital Electronics — Flip-Flops

January 4, 2020 fjm1972

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 check _ Test circuit board PCB electronics component using multimeter practicaly

December 30, 2019 fjm1972

in this video clip we are doing that How to check _ Test motherboard PCB electronics part making use of multimeter very easy straightforward diode capacitor transistor resistor practicaly

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Digital Electronics — Basic Logic Gates

March 29, 2019 fjm1972

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.

Uncategorized

Digital Electronics — Boolean Algebra and Simplification

March 11, 2019 fjm1972

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.