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Re: LTSpice vs ngspice vs DeepSeek vs ChatGPT
Bzzzzzzzzzzt.? The binary is for Intel/AMD processors.? Won't run under Wine on an Orange Pi. Or RISC-V processors, which I have a few of. Runs find on Linux with the Intel/AMD processors. -- chuck
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chuck adams
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#9240
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Re: LTSpice vs ngspice vs DeepSeek vs ChatGPT
..I may have missed this, but are you running Linux on your Pi machine? If so, LT Spice will run handily under Wine. -- William, k6whp -------------------- "Cheer up, things could get worse. So I
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k6whp
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#9239
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LTSpice vs ngspice vs DeepSeek vs ChatGPT
It's a different environment today for simulation. I can't run LTSpice on my ARM based Orange Pi 5 Plus like I can on the 32 processor Intel.? But I can run ngspice for circuit analysis just fine.
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chuck adams
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#9238
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Re: The end of inexpensive printed circuit boards and parts
As a matter of record, I submitted an order to JLCPCB yesterday as a test for theirs 5x 100mm X 100mm specials and the total cost was $8 with cheap chicken shipping. -- of course -- I plan on doing so
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k6whp
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#9237
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Re: Trimmer Capacitor Kits on Amazon.com [long]
Jim, Thanks, I've used them before.? When do we start getting hit with the tariff charges?? Can I get an order in soon enough? I went ahead and ordered the Honbay trimmers, as I get them today and I
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chuck adams
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#9236
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Re: Trimmer Capacitor Kits on Amazon.com
Caveat emptor? - I've good good parts from AliExpress, and I've gotten bad parts from AliExpress.
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Brian KB9BVN
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#9235
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Re: Trimmer Capacitor Kits on Amazon.com
I just ordered an 80 piece assortment from AliExpress for $9.48 (about 12? each). Not sure of the quality but looking around on AliExpress, Temu, Tayda and Amazon, they all look the same. Most all
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Jim WB4ILP
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#9234
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Re: The end of inexpensive printed circuit boards and parts
https://www.pcbdirectory.com/manufacturers?country=United%20States Russ K8UYM <developermcd@...> wrote:
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Russ Hines
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#9233
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Re: The end of inexpensive printed circuit boards and parts
I ordered a Made in USA backpack on eBay and had to clear customs It was used 25% tarrif applied by Canada to US products coming in. China is 10% tarrif . Canada is friendly to CCP for so many reasons
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John
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#9232
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Re: Trimmer Capacitor Kits on Amazon.com
Ditto. Tayda = almost always fine business parts for much less. Regards, Kirk, NT0Z My book, "Stealth Amateur Radio," is now available from www.stealthamateur.com and on the Amazon Kindle (soon)
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Kirk Kleinschmidt, NT0Z
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#9231
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Re: Trimmer Capacitor Kits on Amazon.com
Chuck, I buy my trimmer caps from Tayda Electronics. They just restocked most values. 72/73 Jim, K8IQY PS...I'm around today to try a qso on 17 meters. Pick a time and I'll be there. Something near
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Jim Kortge, K8IQY
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#9230
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Re: Encyclopedia of Electronics Vols 1-6
No, it's my link ended up with some stray characters in it. https://www.worldradiohistory.com/BOOKSHELF-ARH/Technology/Encyclopedia-of-Electronic-Circuits-Vol.3.pdf -- Terry VK5TM www.vk5tm.com (
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Terry VK5TM
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#9229
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Trimmer Capacitor Kits on Amazon.com
Choices are Honbay or Acxico.? Any preference or experiences with either or both? -- chuck adams, aa7fo WAS-17 QRP --> TX,FL,SC,GA,OK,AR,KS,AL,AZ
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chuck adams
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#9228
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Re: Encyclopedia of Electronics Vols 1-6
Looks like both worldradiohistory and archive have removed the download option from all but the one volume. Jim Pruitt WA7DUY
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Jim Pruitt WA7DUY
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#9227
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Re: Help aligning VFO (Ozark Patrol regen)
Yes, that's what mine does, as I wrote (not swapped). Steve
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Steve Ratzlaff
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#9226
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Re: Help aligning VFO (Ozark Patrol regen)
Are you sure the 5.24 and 5.46 aren't swapped? I calculated that the minimum capacitance of the circuit is -78 pF... [email protected]> wrote:
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Ross Tucker (NS7F)
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#9225
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Re: Adding to the KN5L ft test fixture.
https://techlib.com/newprojects.htm???? (And I misspelled his name, it's Wenzel.)?? You need an RF source such as the popular function generators/AWGs, some go past 30 MHz. His tester takes the
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Steve Ratzlaff
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#9224
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Re: Help aligning VFO
QSL I was merely addressing your earlier stated requirements. Obvious to reduce the upper range a smaller range variable cap is needed. Then as you or others describe, a band switch with different
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Curt
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#9223
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Re: Adding to the KN5L ft test fixture.
Ok, I give up. It is easy to do a relative measurement of Ft, i.e. compare 2 transistors. But I can not yet achieve the absolute accuracy using my setup. First, the diode detector is non-linear at low
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vbifyz
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#9222
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Re: Help aligning VFO (Ozark Patrol regen)
Fascinating! I guess build-and-measure really is the way to go. I'll try watching the oscillator on our scope this week. [email protected]> wrote:
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Ross Tucker (NS7F)
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#9221
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