PA3ESH.NL

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Homepage PA3EKI ook voor de Condor-16 & Condor-3000 (AMATEUR RADIO knop) of www.condor3000.net

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pa3emy.blogspot.com

Homebrew 144 MHz transceiver

Homebrew 144 MHz transceiver. Homebrew of a 144 MHz FM transceiver using PLL synthesizer. Sunday, October 3, 2010. On the web I have found a lock detector circuit for the 4046. I may build this someday. For Now I use a TX delay when repeaters are used. A good low noise preamp may help to improve sensitivity. The sensitivity is not bad but my yeasu is better. I hope the sensitivity can reach the same level. Then I can use the repeater in Bregen op Zoom PI3BOZ. Friday, June 11, 2010. Tuesday, June 8, 2010.

pa3emycb2ham.blogspot.com

CB to Ham transverter

CB to Ham transverter. Attempt to design and build a multiband transverter to CB. Vrijdag 22 mei 2015. After some refinements The transvertor is usable. However I am not satisfied with its performance. So I will need to make more adaptions. At some bands edges the harmonic suppression is not good enough. Fortunately the ssb part of the bands are usable. The CB radio has no CW anyway. The receiver works quite well, even on the crowded 40 meter. SSB TX signal sounds good. Maandag 6 oktober 2014. It was int...

pa3emygeneric.blogspot.com

PA3EMY

PA3EMY Ham radio activities. Thursday, March 10, 2016. On ebay I found a 45 watt amplifier kit. It was really cheap so I bought it. I will describe my findings here. The specifications looked good. 45 watt or more on the lower HF bands and still 25Watt at 10 meter. I was skeptical about this. It uses 2 IRF-530 Fets. On internet I did not find an IRF-530 base amplifier that was able produce that output on 10 meter. The schematic comes from a more recent version of the manual I found later. These levels ar...

pa3emyspectrumanalyser.blogspot.com

Homebrew spectrum analyzer

Construction of spectrum analyzer using UDT-401 tuner. Dinsdag 8 juni 2010. Strong harmonics are created internally when the signal level is high. Signals must be attenuated 20 db. This reduces dynamic range to 50 db. So, although dynamic range is 70db , only 50 db is available for measuring harmonics. I am adding dipswitches to the processor board. They will be used to set the calibration points for the horizontal calibration. Vrijdag 21 mei 2010. Zondag 16 mei 2010. Putting modules in box. Secure mains...

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Op dit moment ben ik bezig met. Universal Spectrum Analyzer Interface. Powered by Warp Theme Framework.

pa3esx.nl

PA3ESX – Radio zendamateur

Foto’s van PA3ESX. Foto’s van de Condor 16 46. Foto’s van Lemmer. Welkom op de website va PA3ESX. Op de site vind u foto’s, linkjes en andere dingen die te maken hebben met zendamateurs. 2016 - PA3ESX.NL.

pa3esy.nl

PA3ESY

De Pupil van Maxwell. Maxwell / Pupil ed. WWII Radar nabij Goor. Ir G Hofstedeschool MTS. Deze site is opgezet om mijn verzameling oude communicatie-apparatuur en aanverwante zaken, aan een groter publiek te tonen. Incidenteel worden ook apparaten, die niet in mijn bezit zijn, beschreven. Voor zover dat mogelijk is, wordt, zij het in beknopte vorm, informatie verschaft over de verschillende getoonde onderwerpen. De meeste artikelen worden in de nederlandse taal gepresenteerd.

pa3evy.blogspot.com

PA3EVY

Won a new shirt from rabobank,. Abonneren op: Posts (Atom). Ultimate web translator with flags 2. Thema Supercool. Thema-afbeeldingen van RBFried. Mogelijk gemaakt door Blogger.

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