Re: USPS Ban on China - Follow up...
I order a lot of stuff from that part of the world. No issues or differences from usual. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch
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K9HZ
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#6097
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Re: USPS Ban on China - Follow up...
I'm curious what others in the US are seeing with orders from the usual Chinese suppliers.? I placed an order 1FEB for a bunch of little things from Aliexpress.? Everything has been sitting in
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Doug W
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#6096
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Re: K9HZ PA
Thank-you Bill, I'm working through the build, and would like to ask; Does anyone have some guidance on a good target input drive power to configure the input pad for? I have 2 K9HZ kits and I plan to
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Wayde VA3NCA/AD2GX
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#6095
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Re: [SoftwareControlledHamRadio] T41 SDT Code Issues
Huh.... I also use a separate data server (with a hot spare... dual connections to drives that are mirrored) using Samba to backup all of my files (for my business)... and our 96TB video server in the
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K9HZ
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#6094
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Re: RF Board update.
Bill, Did you get my note about changes to the component values for the SSB Exciter chain on the RF board? If not , I will re-send it. These changes enable the flat response and lower adjacent channel
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Albert Peter
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#6093
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Re: [SoftwareControlledHamRadio] CAT
Like this? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois Owner ¨C Operator Villa Grand Piton ¨C
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K9HZ
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#6092
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RF Board update.
BTW. the new stack of RF Boards here. have the following updates: 1. Removed all of the MF stuff but left the jumpers to CLK0 and CLK1 so that they could be driven from something else or checked with
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K9HZ
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#6091
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Re: For you designer builders...
Yeah that¡¯s where I am too¡ Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois Owner ¨C Operator Villa
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K9HZ
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#6090
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Re: For you designer builders...
I was looking into this when I purchased all my parts. A lot of these devices like the Aliexpress ones don't have the matching pinouts for LMx17 - the Vi and Vo are wrong. The 78xx versions seem ok.
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Phil Taylor
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#6089
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Panel connectors to V11 main board
I was wondering what the preferred method is to connect the key, PTT panel jacks to a V11 board. Thanks Howard VE3HBH
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ve3hbh1@...
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#6088
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Re: For you designer builders...
Sorry Bill, no.Glenn?Sent from my Samsung Galaxy S21 FE smartphone.
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glenn
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#6087
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Re: For you designer builders...
Have you ever used one from aliexpress? Interested to hear if they actually work¡ because they sell those replacements for less than what I can buy just the chips for. Dr. William J. Schmidt - K9HZ
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K9HZ
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#6086
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Re: For you designer builders...
They pop up on Aliexpress for example (
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glenn
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#6085
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Re: For you designer builders...
Hopefully Fanny and Bob brought a bottle of spirits
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JP McGinley KA3BWP
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#6084
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Re: For you designer builders...
Kind-of, yes! Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois Owner ¨C Operator Villa Grand Piton ¨C
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K9HZ
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#6083
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Re: For you designer builders...
A great thing about the LT3045 is that you can parallel them for higher current and even lower noise (with careful PCB layout). John Bennett AE0AM
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John Bennett
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#6082
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Re: For you designer builders...
Yep. I can get then for the same price here but I must order them for future delivery¡ Yeah. Make some small boards and¡ Fanny and Bob are both in the house! Dr. William J. Schmidt - K9HZ J68HZ
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K9HZ
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#6081
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Re: For you designer builders...
and in 1K lots they cost $3.37 each https://www.analog.com/en/products/lt3045.html 20 mins with a PCB Design package and Fannys your Aunt !
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mk3msm
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#6080
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Re: For you designer builders...
Yep that¡¯s the ticket! I had in the back of my brain designing a board identical to that little guy¡ that would simply replace the regulator and there it is! I think I could do it for less than
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K9HZ
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#6079
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Re: For you designer builders...
Great idea - a French DIY audio company offers these for sale (not cheap): https://www.audiophonics.fr/en/voltage-regulator/ldovr-lt3045-lm31x-ultra-low-noise-voltage-regulator-33v-p-16198.html
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John Bennett
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#6078
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