Testing for Spurious Emissions with the TinySA

  Рет қаралды 4,967

Ham Radio 2.0

Ham Radio 2.0

Күн бұрын

Пікірлер: 20
@HOAHamRadio
@HOAHamRadio Жыл бұрын
Thanks for doing this Jason; I've needed this step by step instruction on how to use the Tiny SA. I'll finally get mine out of the box and give it a go.
@jcvee15
@jcvee15 Жыл бұрын
When you were first testing the FT5D for harmonics, it looked like you had the output from the radio connected to the output of the attenuator. I thought I read somewhere that that particular attenuator is unidirectional, with the input being on the side of the male SMA connector. Am I misunderstanding this? 73.
@HamRadio2
@HamRadio2 Жыл бұрын
We tested it both ways
@Will_N4WIL
@Will_N4WIL Жыл бұрын
Is the attenuator backwards? The one I have the SMA male is the input side.
@anxanywhere
@anxanywhere 8 ай бұрын
Yes, it is and that can damage the attenuator… On minute 20:04, @TheSmokinApe said correctly: the male SMA should be facing radio
@GoonyMclinux
@GoonyMclinux Жыл бұрын
Tiny SA is such an underrated device, they can do more than my old full size SA from a few decades ago. 🤣
@cmarchi128
@cmarchi128 4 ай бұрын
Would a ferrite ring help reduce spurious emissions if you put it on a Baofang HT antenna?
@K5QBF
@K5QBF Жыл бұрын
Great video, love the TinySA
@HamRadio2
@HamRadio2 Жыл бұрын
Thanks Shane
@frankthetank3342
@frankthetank3342 Жыл бұрын
After the FT-60, Yaesu HT's just seems cheaper?
@billtheunjust
@billtheunjust Жыл бұрын
Damn, that seems like a pretty good price on the roll up Jpoles
@JoeKrol
@JoeKrol 4 ай бұрын
So here’s my dilemma. I will be purchasing my first HF radio a 991a. I am currently studying for my General. Why do I “need” a tinysa? How will this serve me? The radio I have selected has a built in Antenna tuner. I am planning on an inverted V antenna. Is this a nice to have or a need to have. If a need to have why?
@HamRadio2
@HamRadio2 4 ай бұрын
An SA is a Spectrum Analyzer, not an Antenna Analyzer, although you can probably use it for that also. I haven't tried. But if you ever want to use another antenna, an Analyzer is good to have
@johnputnam7049
@johnputnam7049 Жыл бұрын
Is there a way to test cell phones for spurious emissions? I'd be willing to bet that phones would be at least as bad as Baofengs. Somebody prove me wrong.
@lyfandeth
@lyfandeth Жыл бұрын
Cell phones are actually submitted to the FCC and tested BY THE FCC for compliance. Unlike your typical Chinese h/t, which has no certifications. (There are a few FCC approved models for specific purposes, but if you unlock them, all bets are off.)
@n2rj
@n2rj Жыл бұрын
The mfg (eg Apple) have a test lab to do the tests. FCC doesn’t do them directly. The reports are sent to the FCC for them to issue the equipment authorization. They also do expensive SAR testing for RF exposure. Apple for example got dinged for the iPhone 12 in the EU, which allegedly exceeded their limits for RF exposure. They issued a firmware update which corrected it.
@johnputnam7049
@johnputnam7049 Жыл бұрын
@@n2rj Thank you for the response Ria. I do recall that Apple got dinged not too long ago.
@tomhess5055
@tomhess5055 Ай бұрын
KA3RSC hey are you all IT guys?
@YO3IGA
@YO3IGA 27 күн бұрын
Real plesure to listen to you guys. Very informative about TinySA explanations. 73 de YO3IGA
@HamRadio2
@HamRadio2 26 күн бұрын
Thanks
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