for a 2.4g radio circuit...... i need to connect a usb maleA to a sma
connector. its for putting a small amp inline to boost signal.
can you get such a connector??

 

It would be called an adapter. Don't find any in my catalogs.

 

I seriously doubt it since USB and SMA have entirely different purposes. If you still think it's a great idea, you could probably have a model shop make one for you. Who knows it might catch on and you could become the Tsar of Connectors.

 

Tell us exacly what the device is you have and what you want to do with it.

 

it is a usb powered yagi antenna called a wifire. Often there are weak signals open but could use a bit more power to pick them up.
I have a 1 watt 2.4g amp. the ends of it are little sma. I would need
to connect a male usbA end to the sma on one side. Then I would connect
the other end sma ,amp,to the usbA female on the yagi. the yagi is about 3 inches long. thats the story. I emailed the maker to see what they think.
its a really good little antenna that picks up about twice as many signals as my built in wifi on my Toshiba. I might make one. and will probably be
rich and famous at that point.

 

That's the spirit. I think it may be a good idea. Now you just have to locate a fabricator to do it for you.

 

it is a usb powered yagi antenna called a wifire. Often there are weak signals open but could use a bit more power to pick them up.
I have a 1 watt 2.4g amp. the ends of it are little sma. I would need
to connect a male usbA end to the sma on one side. Then I would connect
the other end sma ,amp,to the usbA female on the yagi. the yagi is about 3 inches long. thats the story. I emailed the maker to see what they think.
its a really good little antenna that picks up about twice as many signals as my built in wifi on my Toshiba. I might make one. and will probably be
rich and famous at that point.

A little block diagram could help a lot here. I couldn't find the datasheet for wifire either. Could you post a link please?

Do you want to pump 2.4GHz through a USB cable? If so, it's not going to work, because the USB cable is not made for RF. To begin with, it doesn't have 50ohm inmpedance. If you post a block diagram, I can find the right cable for you.

 

http://hfield.com/wifire.htm

http://hfield.com/support.htm

You can't get there from here. This is not an antenna, it is a USB wifi adapter with a big honking antenna on it. Not a bad idea.

You need to crack the case and find the antenna connection inside.

 

Ok. The Wifire adaptor takes the USB data and uses it to modulate the 2.4 GHz carrier. There is circuitry inside to accomplish this. You can't push USB data over an antenna as is.

 

understood