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Bitx20 V3 "Dead Bug Style" PA driver.
On the picture bellow you see one of the smallest circuits in the Bitx20 V3 build.It`s the PA driver,the last step in the transmision line before the transmit signal enters the PA Amplifier.As you can...
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Bitx20 V3 "Dead Bug Style" VFO
Yesterday I`ve finished the VFO.First QSO`s succsesfully heard on my Bitx20 V3 Dead Bug Style.After I connected the VFO to the rest of the Bitx20,the reception was not that great.I only heard some...
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Bitx20 V3 "Dead Bug Style" Building the Case
First I want to start my blog with a special thanks to my radio friend PA1SBM.Alex was so kind to put some nice comments on his blog.Just like me,Alex is also building a Bitx20 and has some other...
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Bitx20 V3 "Dead Bug Style" The PA-Amplifier
Last week I started the build of the Linear Amplifier for the Bitx20 V3 project.I tried to stick close to the original circuit board design.As you can see on the picture,I only use one diode (1N4001)...
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Bitx20 V3 "Dead Bug Style" Test stage.
May I present to you,my "Dead Bug Style" Bitx20 V3 in working order.The finished PA-Amplifier from the last blog is now connected via RG174 coaxial cable to the exciter board.I added a front and a back...
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Multiband Bitx: The MK1 Exciter
After not posting for two months now,it`s time to post a new blog about my Multiband Bitx.A few months ago I purchased the Multiband Bitx kit by Sunil and a ordered the G6LBQ linear PCB by DXKits.In...
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Multiband Bitx:The MK1 Bandpass Filter
This week I finished the build of the Multiband Bitx Bandpass filter.In the beginning of March 2013,I purchased the complete G4CFY bandfilter kitt by Spectrum Communications.In the meantime there was a...
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X-Phase II Noise Canceler
This week I started the build of the X-Phase II noise canceler.Because I have a lot of QRM on the HF-bands,especially on 160 meters.The biggest problem maker is standing one floor below in my living...
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Multiband Bitx: The VFO
After the succsesfull reception tests I did with the Multiband Bitx on 20 Meters using the IK3OIL VFO,it was time to decide what kind of VFO I would use for my project.There where several options.The...
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Bitx20 V3"Dead Bug Style" Making the call.
A few weeks ago I changed my shack and put in a new floor,new wallpaper etc,etc.So all my gear,projects and rigs temporary had to move to the attic.When it was time to install my rigs in the new...
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End Fed Wire Antenna for 10,15,20 and 40 meter band.
A few months ago I bought a FT140-43 toroid to make myself a homebrew End Fed wire antenna,without the need for a tuner.As you all probably know,I use this comercial antenna with a lot of good rapports...
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Field test EndFed Wire Antenna lifted by a Kite!
Two weeks ago,Ramon (PE1OUW) asked me to join him and some other Ham`s on a field trip,where they would lift a wire antenna by means of a kite!I thought,yeah,why not ,interresting to see how a kite...
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Bitx20 V3 "Dead Bug Style" New Bandpass Filter.
As I discribed in a earlier blog,the bandwith of my bandpass filter in the Bitx 20 was very small.Only 100KHz or so.I found this filter on the internet,and after I,ve build the filter I found out that...
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Multiband Bitx: Sneak Preview of the case.
Picture of my Multiband Bitx project so far.In the front you see the VFO knob and display from the PA0KLT VFO and the push buttons.Just like my earlier builds.I used a VU-meter from an old Hitachi...
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Bitx20 V3 "Dead Bug Style" The S-meter
Last week I added a S-meter to my Bitx20.I used the design which was included in the purchased Bitx20 V3 PCB`s by  Sunil Lakhani.This S-meter,of course,is not a real acurate meter.Actualy it`s more a...
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Multiband Bitx: Picking up the build.
After a long period of time ,I finally found a few moments to pick up the build of my Multiband MK1 Bitx.As you can see I put all the circuit boards in a housing and made all the necessary connections...
View ArticleBitx20 V3 "Dead Bug Style"QRP QSO.
This QSO was made with only 500mWatt QRP.Because I was outside the range of my bandfilter,at the time it was only 100kc wide, a lot of power was stuck in the filter.Later I made my new bandpass filter...
View ArticleMultiband Bitx: First reception test
This is the first video I shot of the reception from my Multiband Bitx.First you hear a Dutch QSO on 40 meters in LSB.After that I switch to the 20 meter band where a station is calling for CQ.Because...
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New Si5351 VFO by SDR-Kits
A few weeks ago Ton (PA0KLT) asked me to test a new developed VFO by SDR-kits based on the Si5351. This little VFO (34mm by 25mm) consists of the Si5351 ,which is a programmable I2C-Cmos clock...
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My first Bitx20: My first "Dead Bug" Bitx20
Remember my first ever build Bitx20? I never completed the build because I didn`t have enough knowledge about building a SSB transceiver. Now, a few years later, I decided to grab the only half...
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My first Bitx20: Bitx20, one step further!
Yesteday was Easter holiday, so I decided to build on my project again. I have cut two pieces of PCB to create the front and the back of the project. In the front there is room for a signal meter, mic....
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My First Bitx20: Just two pictures.
After testing my Bitx20 Exciter, I soldered the front paneel to the exciter board. Actualy nothing much to tell, so just two new pictures. Maybe, maybe, I don`t put a linear amplifier on this Bitx, and...
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New in the Shack "Yaesu FT-225RD"
Recently I was lucky enough to get my hands on a Yaesu FT-225RD 2-meter all mode set. This rig is in mint condition and I even have the original manual and purchase receipt of the original owner who...
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X-Phase II Noise Canceler part 2.
A few years ago, started the build of the X-phase II noise canceler, but never completed it. Now I found the time to do this. I ordered the missing parts and put them on the board. Nothing special,...
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Bitx20 V3 Arduino VFO.
Due to the Covid-19 crisis, I suddenly had a lot of free time to spend. And what is a better way to spend that extra time? Yes! Complete some projects that lay on the shelves for quite some time now.On...
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