Aa7ee direct conversion qsl. NE602 RX designs of fellow ham radio amateurs, VK2YE, AA7EE and ZL2BMI helped me a lot to understand the inner workings of NE602/SA602 based direct conversion receivers. I have never had […] Jun 3, 2012 · There are almost no microphonics to speak of (always a good thing in a direct conversion receiver), and only a small amount of broadcast band break-through which is only coming through at the kind of high volumes that will rarely be used. To do that you will need a frequency reference (crystal oscillator, etc. wordpress. I’m putting an HPF into a simple direct conversion receiver and am nearly done, but in the future, will give this circuit a try. . Mar 22, 2024 · Back in 2009/2010 the Arizona QRP Scorpions released a little kit designed by Dan N7VE, called the Fort Tuthill 80. Stars. With them, as with regens, I felt that they have been underestimated by many builders and hams as being novelty items. Great work Dave. For a long time now I’ve 2 days ago · A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver for the 40 metre amateur band. Oct 19, 2013 · These issues being carefully considered, you end up with a rig that has the same bandwidth as an AM rig but with a suppressed carrier. He covers the architecture of the receiver, construction techniques, component sourcing and selection and generally sets the stage for the build. Aug 12, 2009 · Vollmer Peak has become my favorite local high spot from which to operate. My best, a version of Rick Campbell’s R1 receiver with a Level 17 diode ring mixer still thrills me to bits. His product (above) is a lot nicer than ours. I’ve always liked direct conversion Oct 20, 2017 · Bob also built a direct conversion receiver with David Cripe’s Hi-Per-Mite filter (still available, as I write this, from 4SQRP) – as I did with my Rugster. My mind is an odd mixture of curiousity and completely disinterest. Here is one passage: I spent many happy hours tuning around and listening on 80M with the DSB80. Ever the capable homebrewer, he did a great job – Bob’s direct conversion receiver using an NE602 in the front end, and a Hi-Per-Mite filter as the entire audio chain. Jun 12, 2023 · Wow, the direct conversion re-engineering of education continues, this time at graduate-school level with biologists in Munich! Amazing. Real soon now, at the moment, i am trying to finish a radio that has been in the works for years. There is also a lot of variation in the local oscillator. Mar 4, 2020 · When this IC was involved things were simpler with less inductors and less parts which looked great. I built N1BYT's WBR Regen, housed it in an enclosure I also made myself and it worked very well. Posts about grey-line map written by AA7EE. 0 license Activity. But his 80m DC receiver uses a ceramic resonator plus varactor diode. This transceiver is an evolution compiled from various DSB and digital designs on the internet from ZL2BMI, VK3YE, AA7EE, BD6CR, and others. Lidia 80 project Direct conversion receiver CW/SSB for 80m band by SP5DDJ https://www. It was originated by… Mar 6, 2021 · AA7EE Casually Kills a Direct Conversion Receiver, EXORCISM! 40 Meter RFI Problem Resolved; ZL2CTM's Simple SSB Transceiver; Over the Waterfall into the Dark Side: Hodgepodge "The Secret Life of" Tribal Knowledge! The SolderSmoke Team Talks to the River City Amate A Frequency Counter for the Hodgepodge -- An Analo May 21, 2021 · I was very pleased to see Dave AA7EE's comment on my SST rig. On his site he has a masterpiece of a write up, along with schematics and build photos. com/2021/03/04/the-ve7bpo-direct-conversion-receiver-mainframe/ Sep 9, 2016 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction 5 days ago · A functioning direct conversion receiver provides a good way to test for voltage and power amp instability & noises. That is expensive. Readme License. Dec 8, 2019 · AA7EE mentions in the Rugster post that he lives in a built up urban area, and so wanted to try a double tuned circuit. Jul 1, 2016 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction Nov 5, 2024 · So around the time we were building 40 meter direct conversion receivers, someone else was doing something similar. Good work. I will post a larger scale version of the picture below. He has an S-meter and a digital frequency readout. It also can be built into a receiver without using the audio amp, or with it if you need an audio stage. Please let us know if you find any errors or mistakes. Oct 6, 2015 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Jul 30, 2012 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK aa7ee. It was a QRP CW transceiver, with a direct conversion receiver and a transmitter capable of putting out about 3W. Then I made a DSB transmitter and the transmitted signal can be decoded. I’ve always liked direct conversion receivers. ) with better precision than that. 50, which will help to fund the growth of the QRP station at AA7EE 🙂. Incoming RF is converted directly to baseband audio. Mar 4, 2021 · This your one of those projects that has being stay in my heads with an long time, as something I wanted to build. Mar 19, 2011 · Written by AA7EE March 19, 2011 March 20, 2011. But like ours, his is built on a wooden board. The unit is a direct-conversion receiver based around the ubiquitous NE602/NE612 mixer/oscillator IC and an LM386 audio amplifier circuit. COM for this callsign! Click here to see QRZ. It was one of those home-brew projects that turn out exactly the way you'd hoped it would. Guest Post – N6JJA’s WBR-Oscar Regen Receiver. net/sp5ddj/Lidia%2080/Lidia%2080%20 Feb 26, 2023 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction May 9, 2017 · Whether it is a direct conversion circuit (very cute) or a frequency counter, you are trying to resolve a frequency change of 1 part per million. May 2, 2024 · I've built a lot of stages for this video -- but wanted to test a few of the better 50 Ω input Z audio preamps in an actual DC receiver. Aug 9, 2020 · A 7/14/21 direct conversion radio that puts out 3 watts of power is what my ideal setup would be. Written by AA7EE March 4, 2021 March 9, 2021. I don't want any of these blog comments to take away from his work and passion. There is a biography available on QRZ. Mar 4, 2021 · Dave Richards AA7EE. It caught my imagination, and I just had to build it. About 10 years later, he became AA7EE here in the US. And Dave's usual wonderful photography and videography. As usual, Dave puts most of us to shame with his excellent non-ugly construction and enviable in-focus macrophotography. A kit was available. A functioning direct conversion receiver provides a good way to test for voltage and power amp instability & noises. Jul 24, 2011 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction Apr 19, 2018 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Nov 23, 2024 · this project details the development of a modular direct conversion dc receiver designed for experimental flexibility in amateur radio and hf signal listening the mainframe integrates a diplexer dbm and af amplifier supporting interchangeable local oscillator and antenna filtering setups a tunable passive hf preselector complements qrp labs bandpass filters for enhanced signal reception Aug 9, 2011 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction Dec 30, 2014 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Dec 4, 2024 · The folks over at Ham Radio Workbench have graciously accepted the challenge issued in our last podcast: that they scratch-build homebrew the 40 meter Direct Conversion receiver that Dean KK4DAS and I designed for local high school students. Finally, I am making some headway. I also wanted to get a feel for how much gain we really need despite all the mythos about this topic. AA7EE's Rugster uses a varactor diode in an LC circuit. Apache-2. I’ve said much of this here before, but it does sum up what I think of it so far. If you want to see what a direct conversion receiver can do, watch his video Nov 5, 2018 · 59 - Analogue Direct Conversion Receiver - 1 month ago QSO Today Amateur Radio Podcast - QSO Today Podcast. Mar 11, 2021 · AA7EE Casually Kills a Direct Conversion Receiver, EXORCISM! 40 Meter RFI Problem Resolved; ZL2CTM's Simple SSB Transceiver; Over the Waterfall into the Dark Side: Hodgepodge "The Secret Life of" Tribal Knowledge! The SolderSmoke Team Talks to the River City Amate A Frequency Counter for the Hodgepodge -- An Analo Feb 29, 2016 · The circuit is nothing particularly new: it’s based, as I’ve said before, on the work of Dave Richards AA7EE, some fine projects from GQRP, and a very useful document from Bill KV2AWC. Accepts QSL via: LoTW: YES mail QSL:YES. simple DC receiver based on AA7EE's "The VE7BPO Direct Conversion Receiver Mainframe" Resources. com Half Of The ZL2BMI DSB Transceiver – A Simple 80M Direct Conversion Receiver :-) A few weeks ago, Jason NT7S mentioned the ZL2BMI DSB transceiver as a rig I might be interested in building. Click on the images for a better view. Jul 7, 2014 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction Jan 3, 2019 · This is one of those projects that has been residing in my head for a long time, as something I wanted to build. A regenerative detector is much more robust than any dual gate FET mixer, it is very sensitive to weak signals and it will demodulate AM in addition to single Sep 28, 2024 · World's leading amateur radio web site with news, technical articles, discussions, practice exams and more. Many have copied/adapted his core regen design, including Dan, N1BYT in the WBR. WA2JMG AA7EE Dave Richards Blog. The 3dB bandwidth is 200Hz, and it can be configured for unity gain (ideal for plugging in Jan 3, 2019 · Written by AA7EE December 23, 2024 December 24, 2024. And wow, it is an SST treasure trove. 6 days ago · Covers articles on AA7EE, Altoids homebrew, Direct Conversion Receiver, Elecraft K2, NT7S and QRP. 0 stars We would like to show you a description here but the site won’t allow us. When tuning on a DC receiver, you will always hear first one sideband, then a null as the oscillator frequency exactly matches the desired signal’s carrier frequency, then The NM0S-designed Hi-Per-Mite is an audio filter for CW reception. The article has some great personal reminiscences about his involvement with direct conversion receivers. Mar 4, 2021 · Written by AA7EE March 4, 2021 March 9, 2021 The VE7BPO Gerade Conversion Receiver Mainframe This is one of those current that has been residing in my lead for adenine long time, because thing I wanted to build. I am not too bothered with the images on CW. The VE7BPO Gerade Conversion Receiver Mainframe. Check it out. Mar 4, 2021 · Instead, I just gazed, and gazed, and dreamed about that little direct conversion receiver for top band and 80M – Quite a few years later, in March 1983, a direct conversion DSB transceiver for either top band or 80M (your choice), was described in the pages of Ham Radio Today magazine by G4JST and G3WPO. How do I describe the sound of a well-designed DC receiver? Well, subjectively of course: pure, raw, sibilant and dynamic come to mind. The downside is that if a simple direct-conversion receiver is used then there is no rejection of stations sitting on the other sideband. Their apparent simplicity can also […] Discover the simplicity and power of the ZL2BMI DSB Transceiver, an 80M Direct Conversion Receiver. As I mentioned before, this is the first time in my amateur "career" (which began in 1978) that I have made a protracted effort toward being active on CW. The DSB80 – A Direct Conversion DSB Transceiver for 80M By G4JST and G3WPO – First Stage Of Building I was 19 years old in March 1983 when the UK magazine Ham Radio Today published the article “A Low Cost DSB/CW Transceiver for 80M”. This is a very useful accessory for direct conversion or other rigs needing additional selectivity. I just tune them out in my head. Comments welcome. Feb 17, 2016 · Dave AA7EE July 26, 2016 at 4:15 pm. Dave, AA7EE also applies a SPRAT fueled Makota design in his Sproutie receiver. Thanks for sharing this with the homebrew community. This breakthrough is not coming from the DBM, but from the preamp, which is set for a gain of 1,000 (60dB). Mar 4, 2021 · The VE7BPO Direct Conversion Receiver Mainframe. Homepage van Maarten Ouwehand PG1N. Sep 21, 2009 · In this blog I've documented my recent commitment to, and preoccupation with CW. Dec 4, 2024 · Derek N9TD's Magnificent Build of the TJ Direct Co So Many Great Pictures, So Much Radio History; More Shortwave Listener Cards; SolderSmoke Shack South -- with Mythbuster II and KE5HPY's Altoids Direct-Conversion Receiver for 40 Happy Birthday to Pete Juliano, N6QW; Popcorn Electronics is BACK! Yea! Jan 9, 2012 · As of this morning, the bidding is up to $103. Feb 2, 2022 · The transmitter provides sidetone, receiver muting and QSK with delay. 4 days ago · This is the first in a series of videos and postings on the SolderSmoke Direct Conversion Receiver challenge. Dan added his balanced LC circuit with ultra super-light coupling. I’ve always liked direct conversion 4 days ago · This is the first in a series of videos and postings on the SolderSmoke Direct Conversion Receiver challenge. Colin wrote (on Facebook): I was inspired by Bill and his adventure with the SST-20, so I started gathering a few parts last year to build a Manhattan SST. Thanks for this, Thomas. Go check out AA7EE's amazingly beautiful regen receiver. Andreas points out that his group was also plagued by semester-related problems that caused many additions to the German shelf of shame. I Googled “broadcast band high pass filter” and came across this post. I started with a direct conversion receiver for FT8 and it worked okay. Dave have been a radio amateur since 1978, when he was licensed as G8RYQ, and then G4IFA in the UK. Sensory overload is a real risk here. We want to help our brothers over at HRWB. TRGHS. By referring to the designs of AA7EE, VK3YE and ZL2BMI, I combined them using only one NE602 and a PTT switch and it gave me success to make a few FT8 QSO’s. Jan 8, 2025 · Radio Receivers category is a curation of 90 web resources on , SDR Receiver using a Tube, 30 Meters receiver, Hear Amateurs on your FM Radio. Jan 24, 2015 · These issues being carefully considered, you end up with a rig that has the same bandwidth as an AM rig but with a suppressed carrier. Jan 12, 2015 · Direct Conversion receiver audio amp; Direct conversion recieve system; Funster receiver Part 1; Funster Receiver Part 2; Funster receiver part 3; Gibson GA-50 inspired preamplifier; Guitar amp builder tools; guitar amp PA; Guitar amp tone circuits; Harmonic VXO; High IIP3 mixers; hybrid-cascode regen detector; IC Gilbert Cell Mixers; Inverter Jan 6, 2021 · Pete was talking about this beautiful Digital VFO dial in the latest podcast. Saved By Powerpoles. While the Franklin oscillator offers potential advantages ( namely greater power gain from the 2 active devices + strong isolation of the LC tank circuit and therefore higher tank QL) -- its purported frequency stability in Ham circles elevated to a full Mar 5, 2024 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 Cam Hartford CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial Jul 22, 2024 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 Cam Hartford CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial Jan 24, 2015 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Apr 5, 2024 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Dec 6, 2024 · Half Of The ZL2BMI DSB Transceiver - A Simple 80M Direct Conversion Receiver :-) The VE7BPO Direct Conversion Receiver Mainframe; The Other Half Of The ZL2BMI DSB Transceiver - The Transmitter! A Scratch-Build of N6KR and Wilderness Radio's SST for 20M; The Sproutie - A General Coverage Regen Receiver with Plug-In Coils; A Few Free Swapmeet May 11, 2018 · I entered an IF of 0KHz, as with a direct conversion receiver, the VFO is directly on signal frequency. For contrast, after Jul 29, 2012 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction Sep 7, 2016 · Dave AA7EE has a very cool blog post on his version of the famed ZL2BMI DSB transceiver (seen above). Aug 21, 2014 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Jan 24, 2023 · 59 - Analogue Direct Conversion Receiver - 1 month ago QSO Today Amateur Radio Podcast - QSO Today Podcast. Micropower AM Broadcasting – A Scratch-Built SSTRAN AMT3000. FB OM. DSB transmitters are usually received as an SSB signal. The Woodpecker’s direct conversion receiver has an adjustable bandpass filter, attenuator and an audio amplifier suitable for headphone level output plus a selectable low / high filter which helps with band noise and static crashes. Dec 1, 2022 · Above is the screenshot of the LTSpice model of the 40 meter Direct Conversion receiver that Dean KK4DAS and I have been working on. Mar 8, 2021 · I was really glad to see that Dave AA7EE has -- after a long absence --posted another article on his blog. Their receiver uses an Si5351 as the VFO, but of course Dean and I have decided to try to do things the hard way by building non-digital VFOs. Oct 13, 2014 · I love the sonic impact of a well-designed direct conversion receiver. There is no intermediate frequency, so we enter zero. Written by AA7EE February 28, 2010 May 24, 2013 The Tut 80 Complete There are two Tuts in the San Francisco Bay Area that I know of – The King Tut Exhibition currently showing at The De Young Museum in San Francisco, and The Fort Tuthill 80 in my apartment in Oakland. Lots of discussion of the circuit and mods. Dean, KK4DAS takes us through an overview of the project. Resources listed under Receiver category belongs to Technical Reference main collection, and get reviewed and rated by amateur radio operators. COM's full listing for AA7EE. The QRPGuys DSB Digital Transceiver is a low cost, multiband, DSB transceiver kit, currently with three easy plug-in band modules for 40/30/20m, (additional module pcb’s available). Written by AA7EE December 13, 2018 December 13, 2018. Jan 6, 2021 · AA7EE Dave Richards Blog Courtesy Of F5VJD – A Working G4JST/G3WPO DSB80 80M DSB Transceiver! - As I’ve explained in earlier posts, my interest in the G4JST/G3WPO DSB80 rig goes back a long way – back to the mid 1980’s in England when I read the descr Feb 7, 2015 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Nov 11, 2015 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 Cam Hartford CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial May 11, 2013 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction May 7, 2018 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Nov 7, 2010 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction Mar 13, 2018 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction The DSB80 – A Direct Conversion DSB Transceiver for 80M By G4JST and G3WPO – First Stage Of Building I was 19 years old in March 1983 when the UK magazine Ham Radio Today published the article “A Low Cost DSB/CW Transceiver for 80M”. The main reason for this post is to share my surprise and joy at the fact that the night before last (Friday night) I worked T32C with my Tut80 – a QRP rig designed by Dan Tayloe N7VE that has a direct conversion receiver and a CW transmitter that in my particular case, puts out […] Aug 8, 2022 · Recently, Dean KK4DAS and the Vienna Wireless Makers group have been building a Direct Conversion receiver. I’m glad you’re enjoying the posts! 73 for now, Dave AA7EE Aug 9, 2024 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Creation date : 05/09/2015 @ 19:07 Last update : 22/09/2024 @ 23:12 Category : 80m Projects Page read 23426 times https://aa7ee. Now it's not quite Pike's Peak, the peak in the eastern Rockies from which famous QRP'er Steve WG0AT operates. Here’s what I told Rick: May 2, 2019 · I did some experiments on my Choc perf board. In response, Klaus sent me an e-mail with links and the video above, describing how he used the VFO dial in a very cool Direct Conversion receiver project. After a QSO the other day with Rick AA4W, we had an e-mail exchange in which he asked me what I thought of my K2. Join Dave Richards AA7EE on this exciting journey! Nov 3, 2023 · A direct conversion receiver has no such ability to filter out a sideband, since it’s mixing an oscillator signal with the desired signal at the same carrier frequency. Their apparent simplicity bucket also… Jun 24, 2014 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KE6YX KF6RMK Manhattan construction Mar 1, 2024 · Back in 2009/2010 the Arizona QRP Scorpions released a little kit designed by Dan N7VE, called the Fort Tuthill 80. May 29, 2023 · the assist provided by AA7EE's blog was especially cool, and demonstrates the long-lasting power of internet-shared tribal knowledge. I love the plug-in toroids. Oct 28, 2024 · AA7EE AE5X Altoids Altoids homebrew Arizona ScQRPions Buddipole Building the Elecraft K2 CC-20 CC-40 CW CW fluency Direct conversion receiver DSB80 Elecraft K2 etherkit Fort Tuthill 80 Fort Tuthill 80M Transceiver Ft Tuthill 80 G3WPO G4GXL G4JST HiFer HiFer beacon iambic keyer Jim Kortge K2 K3WWP K8IQY KA8SYV KD1JV Digital Dial KE6YX KF6RMK Dec 1, 2024 · Franklin Oscillator: First of all Kudos to Monty. Sep 16, 2015 · This is almost too much. With them, as with regens, I felt that they own been underestimated by many builders and buttocks as being novelty items. I also considered building a direct conversion radio, but the fact is, a regenerative receiver can easily be used as a direct conversion detector simply by turning up the regeneration. Feb 21, 2015 · It features a Colpitt's oscillator AC coupled to the tank for the Q multiplier plus a separate, low current FET detector. I also downloaded couple of RX designs from the web. It removes/reduces signals and noise outside the 200HZ passband, and also power line hum in Direct Conversion receivers. Dec 11, 2024 · Derek N9TD's Magnificent Build of the TJ Direct Co So Many Great Pictures, So Much Radio History; More Shortwave Listener Cards; SolderSmoke Shack South -- with Mythbuster II and KE5HPY's Altoids Direct-Conversion Receiver for 40 Happy Birthday to Pete Juliano, N6QW; Popcorn Electronics is BACK! Yea! ダイレクトコンバージョン受信機(ダイレクトコンバージョンじゅしんき、英: direct conversion receiver )、あるいは直接変換受信機とは、受信した無線信号を直接ベースバンド信号に変換する方式(ダイレクトコンバージョン方式)を用いた受信機である。 Jan 6, 2021 · An Antenna for the High-School Direct Conversion R The Awesome Homebrew of Will KI4POV; Update on the High-School Direct Conversion Receiv Homebrew AM from Cuba; More Cuban Homebrew from the 80's and 90's -- A 16 Schematics for the Cuban Islander Double Sideband Winterfest Loot: Who Can ID the Homebrew Receiver? Aug 2, 2011 · The previous post felt like a triumphant one. This caused me to search his site for his SST article. dwee fylrn ucqu jksll wiht vatwx xxstzt ypd mmyprs oevw