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#2011 |
diyAudio Moderator
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Yep. That's a tool that you can grow with.
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Illustrated Build Guides - Pass F4 - Pass B1 - Pass F5 - Pearl 2 - O2 HPA - Hagerman Bugle 2 - Pass Aleph J - Me at BAF'13 -Pass F5Turbo - BA-3 Amp - BA-3 Preamp -F6- -AmpCampAmp -Me at BAF'18 -Me at BAF'19 |
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#2012 |
diyAudio Member
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Here is one that is actually in my budget!
MP720009 US Digital Oscilloscope, 2 Analogue, 20 MHz, 100 MSPS, 10 kpts, 17.5 ns Canada link MP720009 US Digital Oscilloscope, 2 Analogue, 20 MHz, 100 MSPS, 10 kpts, 17.5 ns USA link Last edited by DaveFred; 30th October 2020 at 12:59 PM. |
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#2013 |
diyAudio Member
Join Date: Apr 2017
Location: greater Kansas City
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Both of those pieces look pretty capable -- and under $300 US. But the Siglent has a 5x higher sampling rate and 10 times the sample depth; and for a few dollars less, better name included.
6L6, Your advice is spot on, as usual. So many budget 'scopes have had such awful, unstable trigger circuits that they're almost unusable. Gotta wonder, though (and that's all I can do ![]() That little pocket job is a real cutie for $100, though, eh? And the spec sheet says it can operate at up to 500°C -- hard to beat that!! Regards Last edited by Rick PA Stadel; 31st October 2020 at 05:41 AM. |
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#2014 |
diyAudio Member
Join Date: Dec 2019
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I have 2 test jig boards available. They are the Seed v4 through hole file boards in Green, ENIG and 2 oz copper.
They will land to you at no cost. Limit one per customer. Left over from my buy. US only as I do not have time to do customs stuff. PM me if interested and provide ship to address. Just trying to give a little something back. Don |
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#2015 |
diyAudio Member
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#2016 |
diyAudio Member
Join Date: Jan 2018
Location: Poland
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I have snubber installed. How can I check if it works well on the destination place? IMG_20201124_222609.jpg
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#2017 |
diyAudio Member
Join Date: Jun 2019
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Hello, i am going to build one i just wanted to know if my shopping list looks okey, i just dont want to buy anything that wont work
![]() ![]() TLC555IP - IC, TIMER, 555, PDIP8 MCP1407-E/P - Dual MOSFET Driver, 4,5V-18V , 6A ut, 40ns DIP-8 IRLB8748PBF - MOSFET, N 30 V, 40 A, 0.0038 ohm, TO-220AB, VISHAY - BFC237011154 -0.15 µF, 63 V, EPCOS - B32529C0103J000 -10000 pF, 63 V KEMET - R82EC1100DQ50J -1000 pF, 100 V K104K15X7RF53L2 - 0.1 µF, 50 V EEUFR1J221LB - 220 µF, 63 V, FR 3296W-1-102LF - Trimpot, -1 kohm 25 Turn 78B04ST - DIP / SIP PR01000108200JA100 - 820 ohm, PR01 Series, 1 W, ± 5%, Axiell, 350 V MF25 4K7 - 4.7 kohm, 250 mW, ± 1%, Axiell, 250 V MF25 39K - 39 kohm, 250 mW, ± 1%, Axiell, 250 V MF25 10K - 10 kohm, , 250 mW, ± 1%, Axiell, 250 V F25 2K - 2 kohm, , 250 mW, ± 1%, Axiell, 250 V 1N5819-E3/54 - Schottky 40 V, 1 A, DO-41 (DO-204AL), 2 Stift, 600 mV 803-87-044-10-001101 |
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#2018 |
diyAudio Donor
diyAudio Member
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Have you had a chance to study the .zip archive files attached to post #1 of this thread? There's one for the thru-hole version of Quasimodo ("V.4") and there's another for the surface mount version of Quasimodo ("V.3").
I think you'll discover that the .zip archive files include a Bill Of Materials ("BOM"). Screen capture image below. _ |
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#2019 |
diyAudio Member
Join Date: Jun 2019
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Hello, yes i have, it is from that file that i have chosen the components, i got leds and the cable connections, so i dident add them. The thing is that som part wasent in stock so i can get it or i needed to buy alot of them so it got to expensive (min order on some parts was 10, even om half expensive parts) so i might have gotten a more expensive part sens i only had to order one. The resistors is probobly no problem with, the ICs and some components at the top of my list that i am not as sure, i just want to be 100% sure that the parts will work the total is up to about 37$ in parts without PCB or veroboard, and i need to buy for at least 20$ Or els i cant shop there and the shipping (inside my contry) is 10$ so i dont want to make anothere order
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#2020 |
diyAudio Member
Join Date: Apr 2017
Location: greater Kansas City
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Where are you shopping that your total was 37$?
![]() DigiKey has the IRFB8748, single quantity, for 89 cents. The resistors could be 5% and maybe save a few cents. Which ones were the parts that you had to buy 10 of? Other members on this forum would probably buy some of your extras. If one of your parts is a dud, there's a decent chance someone else on here would be willing to share a substitute (so that you wouldn't have to commit another order). Granted, I know absolutely nothing about international shipping, or end-user fees, or other obstacles you may face. But you have access to a ton of wisdom and willing help on this forum -- go ahead a pull the trigger. Cheers Last edited by Rick PA Stadel; 8th December 2020 at 11:49 PM. |
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