pa3emycb2ham.blogspot.com
CB to Ham transverterAttempt to design and build a multiband transverter to CB
http://pa3emycb2ham.blogspot.com/
Attempt to design and build a multiband transverter to CB
http://pa3emycb2ham.blogspot.com/
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CB to Ham transverter | pa3emycb2ham.blogspot.com Reviews
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Attempt to design and build a multiband transverter to CB
pa3emycb2ham.blogspot.com
CB to Ham transverter: februari 2012
http://pa3emycb2ham.blogspot.com/2012_02_01_archive.html
CB to Ham transverter. Attempt to design and build a multiband transverter to CB. Donderdag 9 februari 2012. I did some test with a high IF to see if this is a good idea. I used a 40 MHZ xtal oscillator block, 2 mixers and 3 tuned circuits at 67 MHz. The idea is to make a transverter from cb to 67 MHz. That transverter/ CB radio combination would be the IF for the HF transverter. I could have exepected this result. After all modern radio's use a roofing filter. Abonneren op: Berichten (Atom). My name is ...
CB to Ham transverter: november 2012
http://pa3emycb2ham.blogspot.com/2012_11_01_archive.html
CB to Ham transverter. Attempt to design and build a multiband transverter to CB. Maandag 19 november 2012. I bought a couple of pindiode to make an ALC for the transverter. It must be a voltage controlled attenuator. The attenuator worked but I am not happy with the performance. The performance is probably Ok for weak signals but my signal levels are much higher. I see too much distortion of the signals. Abonneren op: Berichten (Atom). Mijn volledige profiel weergeven.
CB to Ham transverter: november 2009
http://pa3emycb2ham.blogspot.com/2009_11_01_archive.html
CB to Ham transverter. Attempt to design and build a multiband transverter to CB. Vrijdag 20 november 2009. I have investigated the possibility to build an allband version. A device Si570 could be used to generate all signals. The CB set can be set to a fixed frequency. A microcontroller, LCD and rotary encoder can be used to control the Si570. I think that 24 MHz will be difficult too. For 14 MHz and higher a preamp between the mixer and the bandfilter may be needed for reception. 235 MHz can be generat...
CB to Ham transverter: maart 2010
http://pa3emycb2ham.blogspot.com/2010_03_01_archive.html
CB to Ham transverter. Attempt to design and build a multiband transverter to CB. Maandag 29 maart 2010. At the annual radio market in Rosmalen I bought a USB synthesizer kit. It uses the si570 to generate signal between 3.5 MHz and 180 MHz. This unit can provide all frequencies I need for the all-band version. Power output is a bit low. I will amplify it using a MAR amplifier. That should not be a problem. However, I am considering to make it a PC controllable Transverter. Abonneren op: Berichten (Atom).
CB to Ham transverter: Useable state
http://pa3emycb2ham.blogspot.com/2015/05/usable-state.html
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. Mijn volledige profiel weergeven.
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PA3EMY: September 2014
http://pa3emygeneric.blogspot.com/2014_09_01_archive.html
PA3EMY Ham radio activities. Monday, September 15, 2014. 80 /20 MHz transceiver fan problem audio problem. I have decided to make the transceiver for 80 meter only. I may reconsider but I don't want to spend too much time on this radio. I intend to use it as a signals source for experiments with IRF510 based amplifier for 80 meter. Subscribe to: Posts (Atom). Spectrum analyzer using TV tuner. CB to 7 MHz transverter. 50 MHz SSB transceiver. 144 MHz FM transceiver. View my complete profile. 9 MHz if strip.
PA3EMY: December 2011
http://pa3emygeneric.blogspot.com/2011_12_01_archive.html
PA3EMY Ham radio activities. Wednesday, December 28, 2011. I finally found some time to work on the transverter. Now the transverter/cb radio is able to receive 160-10 meter. It consists of the folowing parts:. LO: sdr kits si570 vfo. Switchable bandpass filter: comes from russian ham parts. Power supply: Transformer taken from cb power supply. The Mixer is a sbl-1. The LO signal is amplified by a bfy-90 amplifier. This signal drives the mixer. I will give it a try anyway. Subscribe to: Posts (Atom).
PA3EMY: 80 /20 MHz transceiver fan problem audio problem
http://pa3emygeneric.blogspot.com/2014/09/80-20-mhz-transceiver-fan-problem-audio.html
PA3EMY Ham radio activities. Monday, September 15, 2014. 80 /20 MHz transceiver fan problem audio problem. I have decided to make the transceiver for 80 meter only. I may reconsider but I don't want to spend too much time on this radio. I intend to use it as a signals source for experiments with IRF510 based amplifier for 80 meter. Subscribe to: Post Comments (Atom). Spectrum analyzer using TV tuner. CB to 7 MHz transverter. 50 MHz SSB transceiver. 144 MHz FM transceiver. View my complete profile.
PA3EMY: February 2014
http://pa3emygeneric.blogspot.com/2014_02_01_archive.html
PA3EMY Ham radio activities. Sunday, February 16, 2014. I have a new toy. A HP spectrum analyzer that works up to 350 MHz. I already own a spectrum analyzer. It is an Atten that works from 0 to 1000MHz. It only has 1 filter that is more than 200 KHz wide. It is usable but this HP is much better. Saturday, February 15, 2014. Two years ago I bought a Kenwood TR7200. It is a well know 2 meter FM radio. It uses xtals. I did not use it much as I only have 2 channels that are usable. In CW mode the signal does...
PA3EMY: CHN 80-20 tranceiver continued
http://pa3emygeneric.blogspot.com/2014/03/chn-80-20-tranceiver-continued.html
PA3EMY Ham radio activities. Saturday, March 1, 2014. CHN 80-20 tranceiver continued. I fixed the problem with the RIT. It was wired incorrectly. The TX/Rx leds now work for both 80 and 20 meter. These too were wired incorrectly. Somehow I made shortcircuit somewhere. This blew a BD137 power transistor. Fortunately I had a few more in the junk box. At 80 meters I was able to get a bit more than 10 Watts CW. SSB however was at 3 Watt max. Subscribe to: Post Comments (Atom). Spectrum analyzer using TV tuner.
PA3EMY: chn-8020 transceiver
http://pa3emygeneric.blogspot.com/2014/02/chn-8020-transceiver.html
PA3EMY Ham radio activities. Thursday, February 6, 2014. I just bought a defect chn-8020 transceiver from a fellow ham. The transceiver is a home made transceiver designed in 1980? By PA0CHN It covers 2 bands, 20 meter and 80 meters. ssb/cw 10W output. IF is 9 MHz.'. It iused to be popular here in the netherlands. This unit was not in a good state. It needs a lot of work. It was not completed by the builder. It was not build by the ham I bought it from so its history was unclear. CB to 7 MHz transverter.
PA3EMY: November 2012
http://pa3emygeneric.blogspot.com/2012_11_01_archive.html
PA3EMY Ham radio activities. Monday, November 19, 2012. It has been a long time since I have used digital mode. So I bought a signalink usbinterface. Now I can make a restart in digital modes. An old pentium PC was available for the coding and decoding. The transceiver I use is an old ICOM IC-730. I also have an IC-817 this one works ok but the IC-730 has a better receiver. The modes That I use are: WSPR, PSK31, JT65 and ROS. Below is a picture of a part of the shack. Subscribe to: Posts (Atom).
PA3EMY: TR7200
http://pa3emygeneric.blogspot.com/2014/02/tr7200.html
PA3EMY Ham radio activities. Saturday, February 15, 2014. Two years ago I bought a Kenwood TR7200. It is a well know 2 meter FM radio. It uses xtals. I did not use it much as I only have 2 channels that are usable. The other xtals were for USA frequencies in the 146 MHz range. Now I bought some xtals for it. Now I can use the following frequencies. Subscribe to: Post Comments (Atom). Spectrum analyzer using TV tuner. CB to 7 MHz transverter. 50 MHz SSB transceiver. 144 MHz FM transceiver. 9 MHz if strip.
PA3EMY: March 2011
http://pa3emygeneric.blogspot.com/2011_03_01_archive.html
PA3EMY Ham radio activities. Sunday, March 6, 2011. Capacitors still cause problems. I made series circuit using 3 capacitors. Then I used 3 of those circuits parallel. Unfortunately they still get too hot . So I switched to 400 Volt mks capacitors. Those too get too hot. I found out on a forum that I need polypropylene types. Next week I will try to buy them. I hope the local store sells them. Subscribe to: Posts (Atom). Spectrum analyzer using TV tuner. CB to 7 MHz transverter. 50 MHz SSB transceiver.
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Welcome to PA3EFR his website
Maak een account aan. We hebben 1 gast online. Order lexapro without prescription - http:/ www.edpillsforsale.com/buy-levitra-online-without-prescription. Welcome to PA3EFR his website. De QSL kaart komt er als volgt uit te zien, meer info op QRZ.COM. Per datum 23 januari 2018:. Een nieuw jaar met nieuwe uitdagingen. We hebben weer grootse plannen om TDOTA te vieren en zoeken voor de JOTA nog een gewillige scoutinggroep. Meld je aan bij pa3efr "at" gmail dot com. Per datum 2 juli 2013:. Staan er nog meer.
PA3EGH.NL, HAM radio equipment and morse keys.
Welkom op de site van Jan, PA3EGH. In het begin ben ik veel actief geweest op 23 en 70 cm band. Ik heb daar erg veel DX gewerkt, dat betekend dus dat er verbindingen gemaakt zijn met alle landen in Europa. Ook heb ik in die periode veel verbindingen gemaakt via Oscar 10, satelliet communicatie. Na het behalen van het Morse examen. Was de toegang tot de HF banden (kortegolf) mogelijk. Via deze frequenties is het dagelijks mogelijk om verbindingen te maken met amateurs waar dan ook ter wereld.
My Hamradio Site
Skip to main navigation. Skip to first column. Skip to second column. Click on the flag for a translation of this site in english. Leuk dat je komt kijken naar deze site. De opzet is om informatie te. Geven over mijn station en de eigen ervaringen die ik heb opgedaan met hamradio. Het motto is veel plaatjes en weinig tekst. Hyendfed, topendfed, endfed, top-end-fed. Momenteel ligt mijn interesse bij HF en (goed) SSB audio binnen de 3kHz. Ik heb er plezier in. Kun je op deze site vinden.
Homepage PA3EKI ook voor de Condor-16 & Condor-3000 (AMATEUR RADIO knop) of www.condor3000.net
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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.
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...
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...
www.pa3esh.nl - Home
Op dit moment ben ik bezig met. Universal Spectrum Analyzer Interface. Powered by Warp Theme Framework.
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
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.
