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Antena question
Claude - 13:26 14-04-08
Greetings dudes.
I am building a 3 volt FM transmitter, just strong enough to scare the
bejesus out of the wife when she is listening to her crappy music :o)
The project su... Read More
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2 Transistor AM Radio
Dave.H - 05:11 05-02-08
Not sure if this is the correct place to ask, but here goes... I've
found plans for a simple two transistor AM radio receiver, but I'm not
sure how the ferrite loop antenna is co... Read More
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VSWR doesn't matter?
billcalley - 21:08 11-03-07
We are all told that VSWR doesn't matter when using low loss
transmission lines, since the RF energy will travel from the
transmitter up to the mismatched antenna, where a ce... Read More
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what enclosure to use ?
Archimedes - 00:10 14-03-08
Hi All
I built a super-regen radio and want to enclose this in a box of some
sort. I have two options -
1. Plastic box
2. Aluminium Box
Now I want to listen to this radi... Read More
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MIMO and AAS
karthikbalaguru - 17:03 01-10-07
Hi,
What is the difference between multiple input multiple output (MIMO)
system and
Adaptive antenna system (AAS) ?
I find the WiMAX uses MIMO and AAS . But, the definitio... Read More
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Re: reflected ir receiver design
G K - 03:34 14-10-06
On Oct 12, 11:59 am, "alex" wrote:
> hi all im trying to make a ir transmitter and a receiver for receiving
> reflected ir from an obstacles .Can any one suggest some st... Read More
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Re: Homebrew radar?
danand - 18:00 15-12-07
Sorry if this is a bit late answer but here it is anyway.
A Slovenian chap - S53MV, build a 4GHz altimeter.
This is a small radar that tells you the distance to objects in fron... Read More
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Re: Waveguide
Gareth - 16:13 25-03-07
Roger Dewhurst wrote:
> "Gareth" wrote in message
> news:yKadnaqxyN4lxJvbRVnyvQA@brightview.com...
> > Roger Dewhurst wrote:
> > > I want to feed a single pulse of, let ... Read More
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Re: An RF question
Jon Slaughter - 21:12 09-02-07
"Eric R Snow" wrote in message
news:345qs2pv50vj25k7d4efl32gjch10kneat@4ax.com...
> After listening to the RF interference radiated from a PDA on a
> portable radio it g... Read More
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Re: 50 ohm load
John Fields - 17:26 24-07-07
On Tue, 24 Jul 2007 01:36:13 -0700, sperelat@hanmail.net wrote:
> I'm studying op-amp circuit combined with rf mixer.
> While I was reading articles on the circuit,I found that... Read More
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Re: Wanted: Capstone Project Suggestions
John Woodgate - 05:38 13-09-06
In message , dated Tue, 12
Sep 2006, Rich Grise writes
> > By the end of the semester, I need to turn in a capstone design
> > project. I'm looking for ideas for a proj... Read More
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Re: RF stage question
Bill Bowden - 21:58 24-11-06
ec wrote:
> Hi
> I want to build an AM radio receiver by myself.
>
> My question is: what is the right amplification that the first RF amp stage
> should have ?
>
> I... Read More
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Re: Build USB Long Cable
Spajky - 11:26 31-05-07
On 27 May 2007 13:46:37 -0700, mtczx232@yahoo.com wrote:
> if I build by my self a USB cable by 4 seperate coaxial cable
> together , it's can work over 5 meter?
Yes :-) it ... Read More
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Hi all...
Alex - 18:29 25-01-07
Hello lovely people,
So here is what I did. I bought WinTV USB and then I have 2 Radio Shack
antenna's . ONe UHF / VHF and the other a scanner antenna plugged into
WinTV box.
... Read More
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