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tv transmit??r

时间:04-12 整理:3721RD 点击:
I search project, schematic of TV UHF analog transmiter PAL with PLL 50 Watts.
THX

http://lea.hamradio.si/~s51kq/HWS51KQ.HTM

look this link.

I want something abaut analog TV modulation AM. This link is 2,4Ghz TV FM.

Contact the amateur radio organization of your country. They can point you to books that contain chapters on home built amateur television equipment. These circuits should be easily adapted to the frequency you have in mind.

look for this french TV Gourou : F3YX

sorry french pages

http://f3yx.free.fr/

http://perso.wanadoo.fr/f6gcq/F3yx/f3yx1.html

http://f5ad.free.fr/ATV-QSP_Descriptions_1255.htm


and many others papers with search F3YX --> google.com

6 * F

Hi
Here are two schematics for TV TX in AM.

regards

In my opinion using a modulator IC such as TDA8822T that has a video and sound PLL and will work at any channel and then to up convert this signal up to 2.4GHz and amplify.

But 50W at 2.4GHz amplification is quite difficult.

The channel which will be used for modulator IC will be lowest frequency because of difference minimizing. I mean if modulator works at 45.25MHz vision carrier , Oscllator that will be used for upconverting proccess will be around 2.4GHz+45.25MHz smth.like that.

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