Have you Really? Wow!
Well,This isn't really radio related, but I'm scribbling here to document my steps (well, thats what a blog is for - isn't it?).At home we have a really pants copper telephone line based Internet...
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Fiddling with a Transistor
Well,I found myself scratching my head the other day trying to remember the difference between Class A, B and C amplifiers and how that impacted a transistor bias.To help me, I've drawn this quick...
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A Lawful what?
Well,Back in the spring of last year we removed a load of trees from our property and also had some fairly extensive works undertaken in the garden. The net result was that the antennas at the property...
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Tek 2465 Teardown
Well,I have a Tektronics 2465 'scope that has some issues with it's timebase:The sweep A is all out of bonk - there's a 10MHz signal applied and at a 50ns sweep time per devision we should see 5...
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Really? Wow!
Well,How about this then?I seem to be having a phase of collecting old 'scopes. I kind of love them, especially the old Tektronix devices.There's a You Tube channel that I subscribe to by W2AEWĀ where...
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6&4M Antenna and other Musings
Well,I decided a while ago to remove the large 6/4M combined antenna I have - it's very big and heavy:So, I decided a while ago to replace the 6/4M antenna with a 3 + 3Ā ele version that we originally...
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13cm Antennamabob
Well,You may recall back here I installed a 13cm antenna on the mast, and here I built the 13cm VLNA fromĀ @DXING G4DDK. The VLNA is now mounted masthead with the associated switching and a separate...
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Finally - All coming together
Well,There have been many musings recently all building to a 13cm (2.3GHz) system:The TransverterThe VLNAThe masthead enclosure and switchingThe antennamabobThe sequencerSo now I'm trying to glue it...
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I'm about there!
Well,You'll remember last timeĀ I started modifying the 13cm PA I had acquired. Well, I think it's about done.What we have is the modified PA, an Arduino Nano plus some software to monitor:PA...
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A tracking what?
Well,As part of the fiddling I've been doing on 13cm, I've been using the new to me (read old) spectrum analyser I have. It covers from about 9KHz up to 22GHz.You may also recall not so long ago, that...
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Telly - really?
Well,I've started to play with Digital Television and the broadcasting thereof. The fist part of the puzzle was to construct a means of receiving my own signals so I chose the Minitiouner from the BATC...
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Portsdown where?
Well,As part of the project I mentioned last time, I've started to construct the hardware for the BATC Portsdown project.The fist board I have tackled has been the LO filter. This goes post the AD4135...
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I think its working
Well,Following from my musings last time on the BATC Portsdown project; I think mine is now up and running.I've been working on a box for the project and the various bits and bobs are now inside:So,...
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Filters Filters Filters
Well,Following on from the success of last time; it was time to make some filters around the 146.5 MHz DATV frequency on the NoV allocated bit of spectrum we have above the 2M band.I've also built up a...
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Its brick time!
Well,To compliment the DATV transmitter I made here, I've been building a PA rated at 60W RF out - it will be used at way less than this, but for any kind of TV transmission we need loads of overhead...
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EMC 'n' all that Jazz
Well,I've been having some issues when I TX on 6M CW. Very strange in my Radio PC (the one sending the CW) shuts down - it doesn't crash - it performs an orderly shutdown.This is definitely an RF issue...
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More InnovAntennas Fun
Well,You may remember my sharing an instruction sheet from an InovAntennas purchase back hereĀ and basically explaining how poor I though the instructions were. Well, here's another excellent...
View ArticleFirst On-Air Test Complete
Well,Thanks to the help of Col, G4OHV I have tonight tested my Portsdown transmitter on air.Here's the video Col captured of my TX - Thanks!Good, egh?
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I'm forever blowing bubbles? No! bulbs!
Well,I have a couple of Yaesu Rotators here, and the controllers were stacked one on top of the other with a small cardboard box propping up the top controller. The cases are kind of slanty topped and...
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The Art of Rotator Control
Well,I decided that there had to be an easy way to computer control my antenna rotators. I already have this on the Satellite antennas in Azimuth and Elevation, but not the "normal" antennas I have...
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