#2069

  Рет қаралды 3,583

IMSAI Guy

IMSAI Guy

Күн бұрын

Пікірлер: 25
@ivanpopovic9503
@ivanpopovic9503 Ай бұрын
The ferrite beads are typically defined by impedance at 100MHz. Again, not always, some manufacturers give you the inductance and max current, and by looking into datasheet you can find all the jucy data. Permeability vs frequency and stuff like that...
@jeffreyfrancis42
@jeffreyfrancis42 Ай бұрын
Every time you say, "so I went to the store...", we hear, "so I went to the magical fairyland of parts that might as well be on Mars for the vast majority of my viewership...". Remember the old days when every town, large or small, had a Radio Shack? Sure, Radio Shack was awful. But when I was 12, I didn't know that. There were more than enough parts to do tons of interesting projects. No, not every project I could dream of, but enough to keep me busy. Next time I come to the Bay Area for work, I'm bringing an empty suitcase and visiting "the store". My wife will love it. Not.
@totally_not_a_robot1342
@totally_not_a_robot1342 Ай бұрын
I've met WA5VJB!! Very nice guy, talked my ear off about antennas
@jcisn
@jcisn Ай бұрын
I would imagine sneezing is one of the hazards of working with parts that small.
@samreames1713
@samreames1713 Ай бұрын
You don't even dare to sneeze, just tensing up it flies into orbit!
@makerspace533
@makerspace533 Ай бұрын
The inductor is used for peaking, in other words improve high frequency response. I don't think ferrite beads would be a good choice because the beads are designed to be very lossy at high frequency.
@johnwest7993
@johnwest7993 Ай бұрын
Try putting double-sided tape on the desk under the camera to put parts on. Also, you can use a NanoVNA to characterize the inductor over frequency.
@romancharak3675
@romancharak3675 Ай бұрын
Maybe make a depression in the board using a drill bit - for your MMIC ?
@nezbrun872
@nezbrun872 Ай бұрын
WA5VJB, Kent Britain, an absolute legend when it comes to RF. He’s supremely good at coming up with novel designs that are reproducible.
@Hellhound604
@Hellhound604 Ай бұрын
As for the holes for those older types of MMIC’s. Have worked on plenty of of PCB’s using them without holes, the legs were just bent down the body and then at right angles at the PCB. Still love those old-style MMIC’s… even though they are just darlingtons in disguise, they are very cewl.
@chrisharper2658
@chrisharper2658 Ай бұрын
I standardized on the 0805 package size because parts are plentiful and about as small as I care to handle.
@kirkhamandy
@kirkhamandy Ай бұрын
_maybe I'll find it_
@clems6989
@clems6989 Ай бұрын
The first resistor before it went to Davie Jones locker, Looked to show 60 Ohms ?
@NikiBretschneider
@NikiBretschneider Ай бұрын
4:56 It looked like 60.7Ω, but then it went to /dev/null. The second one shown different values. Maybe there are mixed parts in that bin.
@erichkeyes5578
@erichkeyes5578 Ай бұрын
I have build WA5VJB, Kent Britain Antennas for work and for me . I have tested the antennas most work very will.
@lmamakos
@lmamakos Ай бұрын
"Maybe I'll find it." LOL, sure you will :-)
@IMSAIGuy
@IMSAIGuy Ай бұрын
A boy can dream
@RideGasGas
@RideGasGas Ай бұрын
How about a link to your RLC meter gadget? That did look interesting.
@Manf-ft6zk
@Manf-ft6zk Ай бұрын
ZOYI ZT-MD1 LCR Tweezers kzbin.info/www/bejne/mKXPmpl3mM5jfNU
@IMSAIGuy
@IMSAIGuy Ай бұрын
kzbin.info/www/bejne/mKXPmpl3mM5jfNUsi=VIH1rYfF60tLyP21
@abraheom
@abraheom Ай бұрын
Thank you for the audio translation into Spanish ❤❤❤
@noggin73
@noggin73 Ай бұрын
It is a new KZbin thing. Sometimes it is not very good.
@abraheom
@abraheom Ай бұрын
@@noggin73 Yes, I guess it's an experimental option, but I hope it will always be available for the next videos on this channel.
@saeedkizzy
@saeedkizzy Ай бұрын
60ohm @ 100MHz
@andymouse
@andymouse Ай бұрын
Save your money, ditch the stencil and go 0805 ! Why does everything have to be made so small.
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