"Thru-Hole Version" Carlson Ultra Probe V1A-EXP

Hi Paul. Could I get the attachments for this build? Video #178 Thank You! Bob

Bob Sheldon Sr - KC9ITB

How and where do I person message to request the attachments.

Asoka Kapurubandara

Thanks for the thru-hole version, surface mount is not for everyone. Going to reduce the board layout for a smaller enclosure. Curious what the output V is. I don't need demodulation so was thinking of buying a cheap class D module but they probably emit too much noise. So just going build a simple class B audio amp.

Thomas

How and where do I personal message mr carlson to request the schematic for the through hole super probe? Video #178, I've clicked around on Patreon and I'm not seeing where to do this. Thanks

j a y d e n gaming

Mr Carlson, good day to you sir. I am hoping to build the through hole version of the super probe (video #178). I am working on a project that I could use the probe to help troubleshoot. So if you could please send the schematic information, it would be greatly appreciated. Thank you, jvinni

j a y d e n gaming

Hi Paul, please send through build instructions for this video #178..Thanks

Smiffy333

@Mr Carson's Lab Hi Paul could you please send me the files for the through hole ultra probe video #178 thanks Darren.

Darren

If all you want is to trace an audio signal can you just use a simple computer speaker with the amp built-in?

joram kalfa

Anyone know if 1/4watt resistors is sufficient?

joram kalfa

Hi, Paul! Is it permissible for me to send an stl file of your PC board to PCB Way to have this made for me? Thanks!

Upton O'Goode

Hi, Willie. I used it with the amplifier of super probe. You can used the ultra probe with any audio amplifier as long it match the signal level of the output ultra probe, more or less. Being more sensitive, ultra probe gets easy a high output, even clipping, from nearby power transformers of the devices in the same room. It gets loud hum from power cables just being pluged in the power socket only, basically any cable. I can get 50hz strong noise from the metals inside the reinforced concrete of my place. Anyway, the answer is yes but you need to control the level of the audio between ultra probe and amplifier. Cheers!

Daniel Mihailescu

Can i use the same speaker/amplifier from my super probe?

Willie

Hi Harri, That is explained very clearly on the bottom of every document I provide.

Mr Carlson's Lab

Re: Intellectual property. Paul, do you allow patrons to have their PCB made by PCBWay or similar service provider? This of course means translating the schematic to EasyEDA file, so the layout will not be 100 % identical.

Harri Lumme

I ordered the toaster oven controller kit presented by Digikey for a reflow oven. I hope to make the simplified SMD version for a small bodied probe.

Steve Foudray

see the OCT2 Video below and attachments

Bart H

I’m really dumb, I can’t seem to locate the parts list anywhere, just the component layout but it doesn’t identify the transistors?

Bill Bates

Transistors are used in the front end due to lower leakage. There was quite a difference (noticeable increase) in sensitivity not using diodes similar to the ones you mentioned, including others as well.

Mr Carlson's Lab

Hello Mr. Carlson, I was wondering why you use two Silicon Transistors strapped as Diodes (Q1 and Q2) instead of two silicon Diodes such as (for example), 1N4148 or 1N914 or even Schottky Diodes ? This is not a criticism, I would genuinely be interested to know if there is a difference, and if so, what it is. I look forward to your reply.... Regards Kevin.

Kevin Darling

I know there’s been some discussion on PCB creation. Thought I’d share the paper I use which has worked wonderfully. Also, I’d encourage anyone that is hesitant to try making the boards to watch the PCB tips/tricks video from Mr. Carlson (video 44). He does an amazing job at explaining all the details to successfully create PCBs. https://www.amazon.com/dp/B0000AQOAK

Lobstah

I never have issues with transfers, are you following the videos closely? The things needed for a perfect transfer are: #1 Laser printer, #2 Laminator that goes to 200 Degrees C, #3 Most photo paper will work, but one side glossy flyer paper is the best. Those are the 3 most important things in the process, if the toner sticks to the copper, your happening! Its all down hill from there.

Mr Carlson's Lab

It's "designed in" to make the projects easier for everyone here to build. The amount of time involved to make this happen sometimes takes weeks to months of experimentation on my end, looking for center values. In the beginning, I designed for me, now I design for you.

Mr Carlson's Lab

Hi Scott. They are clearly listed in the parts list in the last video.

Mr Carlson's Lab

That is as big as I was expecting ... I'm building the smd version ( my first build ever) waiting on pcb transfer paper to arrive . I tried with the glossy photo paper . No success. If anyone has tips on the pcb transfer process please share :)

TWISTED1

On the schematic I have, Q1 and Q2 are labelled "Undetermined." In this video, you note that the two protection transistors can be 2N3904, but those are listed as Q8 and Q9 on the schematic, leaving me to ask, what should the proper transistors be for Q1 and Q2? P.S. Sorry for the duplicate question. I see that someone else has asked this same thing above.

Scott Morison

If there is no gain switch, then what is the update in the schematic? Also, are you going to place that battery inside the box with switch and power LED?

Tony Contrada

Dave Rhodes

Look at the video before this one.

Dave Smith

Mr Carlson, I've begun to notice from your recent projects, starting with the Hartley oscillator, that there is a certain "looseness" with the components(within reason). I'm curious if you have known this for quite a long time, or are you too just discovering this as you design for common components?

Joe Katzbeck

Awesome. Looking forward tu building one of these. Thanks so much for this version of the probe.

Jared Kusner

Paul, I may have missed something but... what are the transistors used here? You say that Q1 and Q2 are 2N3904 but what what about the other four? There's no parts list for this version and the SMD version is quite different (10 transistors)

Manuel Herrera

That is a very cool project. The best part is getting into the Junk box. and being able to use what you have on hand. Thank Mr. C

Jonathan Hughes

Yes, the unit the probe will attach to will be like a standard tracer with detection/demodulation.

Mr Carlson's Lab

that the probe is attached will it function like a signal tracer? If so, I am assuming that it will have more features that the Heathkit T-3 or the other signal tracers that are like the T-3. Sorry about the split replies my finger slipped and hit the Post Button. You design amazing tools for us to build, they teach us about electronics and give us amazing tools to use. Thank You Very Much!!

Guy K. Griffith

Excellent work Paul. Don't forget to take some time for you and your family. Thanks for sharing.

Brian Wood

Excellent Paul, I am looking forward to building the Ultra Probe. When you finish the box

Guy K. Griffith

The version you see is sensitive from 2 to 9V. It will operate down to 1 Volt.

Mr Carlson's Lab

Another excellent project, Paul! Thanks a lot! One question: how much the Vdc must be, in order to power the probe?

Fichamba Welby