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ATV generator

For Amateur Television I was looking for a simple and standalone video generator that could do the following:

  • Show predefined pictures in graphic format ( .jpg )
  • Play movies (in mpeg format)
  • Play sound (MP3 or WAV format)
  • Simple to use
  • Network capable (uploading pictures)
  • PAL output
SAM_0313
Front view of RPI-ATV

 

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Author adminPosted on June 3, 2013November 4, 2013Categories electronics, hamTags atv, rpi

144 MHz Power Amplifier

Finally my 144 MHZ QRO amplifier is ready. Based upon PCB of F1JRD and a BLF578 of NXP.  The PA is capable of making > 800W but due to antenna limitations it can only run at about 400 Watt.

Amplifier in test setup

 

Continue reading “144 MHz Power Amplifier”

Author adminPosted on June 2, 2013December 31, 2013Categories hamTags qro

First post

Title says it all…

Author adminPosted on June 2, 2013June 2, 2013Categories Uncategorized

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