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Re: The qrptech Samuel L Jackson and Jennifer Garner Effect
Cuck, et al Some may find this YouTube Video useful "How To Make A Metal Project Enclosure" https://www.youtube.com/watch?v=_MiFAydiWyM
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Pete WB9FLW
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#9031
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The qrptech Samuel L Jackson and Jennifer Garner Effect
Q:? What's in your wallet? A:? Nothing.? I spent it all on lab equipment and parts. Last year I purchased, from Amazon, a 12" shear.? Warning.? This puppy is heavy and not for those with knee and
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chuck adams
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#9030
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ADC 40 (and ADC 20) crystal filter info
The ADC 40 IF crystal filter uses three crystals with 150 pF caps on the ends and in the middle. EMRFD? 3.21 mentions this type of filter, known as Min-Loss and a derivative of Cohn's extensive
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Steve Ratzlaff
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#9029
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Measuring Crystals with NanoVNA and other tools
Found this good?w2aew video Measuring Crystals with NanoVNA and other tools https://www.youtube.com/watch?v=G9zZRNzhsEE Actually learn what Crystal holder C0 means when crystals were actually stored
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Daniel KK4MRN
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#9028
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Re: Crystals
I was pretty excited about crystal measurements and crystal filter construction a few (many?) years ago. I homebrewed Jim Kortge's PVXO and initially used a diode detector with good results. Later I
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Nick Kennedy
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#9027
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Re: S9 Generator Project? (capacitors for RF)
Jim - A member of the EEVblog forums did a teardown of the DE-5000, and it comes out looking pretty dang good for the price -
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Dave AA7EE
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#9026
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DE-5000 English manual
Here's one link to the DE-5000 manual in English. Note you must do the initial calibration using the test leads you plan to use. You only do that once, then you're good to go from then on as long as
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Steve Ratzlaff
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#9025
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Re: S9 Generator Project? (capacitors for RF)
Here are pictures of the DE-5000 showing the dissipation factor of a Tayda 150 pF cap? with 0.005 vs. a high quality 150 pF cap. with 0.000. Steve AA7U
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Steve Ratzlaff
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#9024
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Re: S9 Generator Project? (capacitors for RF)
Thank You Steve for the tips ! I'll put that on my wish list. Looks like a great addition to the bench. Good DX ! Jim WB4ILP [email protected]> wrote:
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Jim WB4ILP
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#9023
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Re: S9 Generator Project? (capacitors for RF)
Hi Jim, Yes, that's the one but note that item comes with a bunch of optional accessories. I buy the "main unit" by itself with no accessories and put my own test clips on,? calibrate using those,
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Steve Ratzlaff
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#9022
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Re: S9 Generator Project? (capacitors for RF)
Hi Dave, I highly recommend the DER DE-5000 LCR meter. It's the least expensive meter that has 100 kHz selectable test frequency, plus has near lab-grade accuracy. I don't buy any optional accessories
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Steve Ratzlaff
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#9021
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Re: S9 Generator Project? (capacitors for RF)
Hey Steve, Is your DE-5000 the one on Amazon for $138.00? I'm not sure I'm ready to invest that much but do you recommend it? Thanks ! Jim WB4ILP [email protected]> wrote:
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Jim WB4ILP
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#9020
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Re: S9 Generator Project? (capacitors for RF)
Thanks for mentioning your LCR meter Steve. Seems like a worthwhile addition to the workbench. Having purchased cheap capacitors in the past, I'm putting this on my list of wants. Would you recommend
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Dave AA7EE
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#9019
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Re: DC Receiver
OK Chuck, A private message is winging it's way to you with the files attached. Tom-N8TPN
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Tom, N8TPN
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#9018
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Re: smd tweezers
I use Ideal-tea SM103.SA https://uk.farnell.com/ideal-tek/sm103/tweezer-smd-handling/dp/3480549 No magnetic issues. Jim. G4EQX
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Jim/G4EQX
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#9017
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Re: Storing Resistors
LeeTried the plastic bags years ago and found them fiddly and infuriating at times (the zipper ones).?Gave the matter some thought and came up with the storage boxes idea (see pics).?You can see at
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[email protected]
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#9016
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Re: ADC Project Crystal Matching
Folks, if you have an SDR for frequency measurement and you are not very good with tones, you can try on CW the "ZAP" commmand (for instance, on HDSDR), which moves the frequency so the tone is "spot
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Jon EA2SN / AE2SN
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#9015
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smd tweezers
I don't know if anyone else has run into this.? I do quite a bit of smd soldering or try to.? I have bought many many cross tweezers from several sources that claim they are stainless steel.? The
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Jim Pruitt WA7DUY
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#9014
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Re: EMRFD, new with CD
Another Matt/Matthew with almost the same callsign? Wow. I thought N3AAZ (also in this group) was remarkable, but now we have N3AR, and a Matt to boot! Truth is stranger than fiction -- de N3AZ
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Matthew McDevitt N3AZ
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#9013
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learnmorsecode.com/DC/index.html
https://www.learnmorsecode.com/DC/index.html
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Jim WB4ILP
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#9012
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