Easy to breadboard and experiment with, very few parts, and super versatile, are just some of the perks of this circuit. Learn about gate capacitance, dead time, and much more. A great circuit for ...
2026-01-16 20:52:12 +0000 UTC
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Here is a very simple, low noise, Microvolt level, small signal amplifier for all your testing and small signal amplifier needs. Great for low output phono cartridges, low output mic cartridges, or...
2026-01-03 02:07:12 +0000 UTC
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It's so simple, and it works with so many different J-FET's! Use this circuit to add gain to may of your different projects, or to just learn more about these fantastic little devices. Schematic at...
2025-12-16 16:51:09 +0000 UTC
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Are you considered the hardest person "in the world" to shop for... This might help! These are fantastic tools for the bench that make great gift ideas for either you or your friends.
2025-12-03 09:29:08 +0000 UTC
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Use these to make prototyping easier! Here are 3 common tube breakout boards, and a fourth is coming, (The 9 Pin Version.) Also: Some news about a possible project box idea for the Add-A-Cap projec...
2025-11-16 10:08:28 +0000 UTC
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Breakout boards to make SMD work easy. Use the layout for solder practice and checking your printer margins as well. A great little op-amp that will be used in future projects and more! Enjoy.
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2025-11-03 18:24:28 +0000 UTC
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Here is the current sense circuit for the Carlson Add-A-Cap project. This will sense current down to 10μA (microamps), and can be modified for reading other ranges as well! Below are 5 file attach...
2025-10-17 15:28:25 +0000 UTC
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Super useful tester for any bench! Build this tester to test all sorts of crystals, fundamental and overtone types alike. The best part... Build it with "junk box parts!" Use what you have, it's a ...
2025-10-03 06:52:49 +0000 UTC
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Another very beneficial tester for the bench! The crystal tester works with fundamental and overtone crystals alike. Use this circuit to test all sorts of different crystals! See video for the sche...
2025-09-17 03:16:53 +0000 UTC
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The new Carlson Add-A-Cap circuit works fantastic! See the sensitivity, and how easily it integrates into a repair or troubleshooting procedure.
If you are enjoying these videos and t...
2025-09-03 10:21:23 +0000 UTC
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See the block diagram "flow chart" of the new capacitor circuit with description. Also: Some great "cheap" soldering tools that won't break your wallet... and more!
If you are enjoyi...
2025-08-17 02:19:29 +0000 UTC
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A very neat circuit is being developed to help with circuit troubleshooting, here are the details!! Enjoy!
If you are enjoying these videos and the shared circuits, you can let me kn...
2025-08-03 00:58:59 +0000 UTC
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Oh NO! Did that trace lift or completely come off your circuit board? Did you pull a VIA or plated Thru-Hole out of your circuit board? Here are some easy TIPS will save your day. Some great TIPS f...
2025-07-17 02:28:08 +0000 UTC
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Don't (((ZAP))) those FET's. Here are some Electronic Bench Tips that will help with "ESD" or "Electrostatic Discharge" considerations. A Steady Hand - See how easy it is to solder SMD components e...
2025-07-03 12:41:22 +0000 UTC
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Increase your understanding in so many areas of electronics with just one video! In this video, I explain oscillators, Astable multivibrators, Bistable multivibrators, see how they do math (Divisio...
2025-06-17 01:13:26 +0000 UTC
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Learn how a single and dual Superheterodyne receiver works, with visual "real time" examples. The unrestored SP-600 still has some life in it, see it come alive in it's original condition one last ...
2025-06-02 14:03:32 +0000 UTC
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Here are all the files, a circuit description, and an instructional video on the assembly procedure for the Marquee Sign Flasher circuit. I have included options for different flash procedures to m...
2025-05-16 11:44:41 +0000 UTC
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I'm working on a custom project, and I will share all the details with you! The circuit for this project can be used in multiple settings, with many different kinds of power supplies, it's very ver...
2025-05-02 23:07:32 +0000 UTC
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Find those noisy parts before you build, or use this circuit for component verification. This circuit will test all sorts of parts for intermittent noise, and even breakdown. A very beneficial tool...
2025-04-16 11:32:01 +0000 UTC
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Over quite some time, I have been putting together a collection of "good" cheap components to help get your parts assortment started. Even if you just need to top up on some parts, this collection ...
2025-04-04 00:39:38 +0000 UTC
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Printed Circuit Board layout and Component Map release! Use this to get rid of unwanted ripple and hum in audio circuits, radio circuits, test equipment, and pretty much anything else that may need...
2025-03-17 05:05:05 +0000 UTC
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Here is the schematic (in the video) and parts to get you building. This circuit can replace an inductor or reactor in many different applications, and perform much better too! The magic is in the ...
2025-03-04 01:23:14 +0000 UTC
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Here is the circuit board and all the build files that make a seamless install! This board can be used to adapt a Bluetooth module to and AA5, an AA6, a transformer type set, or even a general purp...
2025-02-17 13:13:14 +0000 UTC
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Let's test some Switch Mode Power Supplies for noise and regulation. The tests are very simple, here's how. Enjoy!
If you are enjoying these videos and the shared circuits, you can le...
2025-02-03 15:11:31 +0000 UTC
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Here are some important electrical safety considerations while working with line operated devices. Every device has it's own design, so covering all aspects is difficult, this video talks about the...
2025-01-17 06:34:40 +0000 UTC
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Understand how the filament circuits work in AA5 and AA6 radio receivers, "transformerless sets," holiday lamp strings, IE: "Christmas lights," both incandescent, LED and more. See how changing the...
2025-01-02 15:54:08 +0000 UTC
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Installing a Bluetooth board into a receiver or another device? This little PCB makes the job all that much easier, and gives you many wiring options too! Complete example of operation and installa...
2024-12-12 17:59:06 +0000 UTC
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Get great sound from your old radio by connecting it to your computer, phone, ETC. Play all your favorite songs, old time radio broadcasts and more! Its super easy to connect, and use, here's how!<...
2024-12-03 20:37:41 +0000 UTC
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Understand what every resistor does, and why it does it! Lots of real world comparisons for an easy to understand lesson. Interested in more lessons like this? Let me know in the comments below or ...
2024-11-17 09:09:36 +0000 UTC
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What every capacitor and Inductor does in a radio receiver. See examples of frequency drift due to temperature change, and the affects of over coupling into circuit. See how an oscilloscope probe w...
2024-11-02 19:22:57 +0000 UTC
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