K1jj tuner

K1JJ 813x813 Transmitter Schematic (128K) K1JJ Power Supply Schematic

Still accumulating parts for the HB antenna tuner. Will be using the K1JJ design (attached). I don't expect to stress it too much, maybe 250 watts carrier at most, and it will ahve already come out of a pi net in the rig of RF deck, if that makes any difference. I plan to run it into dipoles, G5RVs, Windoms etc. Title: Re: K1JJ Tuner Efficiency Post by: Steve - K4HX on February 16, 2019, 03:32:01 PM Generally, the closer to the center of the coil the feed line is tapped, the higher the Q of the parallel tank circuit.

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instructions to build the k1jj tuner << < (11/12) > >> kc1gtk: ... Tune the rig up to say, 1/4 power output and adjust the two wires spacing until the bulb JUST starts to light. The eye is most sensitive to light intensity changes when the bulb is barely lit. Do the same for the other side, making it the same spacing as the first bulb. ...Jan 1, 2021 · I included my pics of my K1JJ tuner and found no need for a series cap on the input coil. There was 40 turns of the 1/4 inch copper tubing and the input coil was 6 turns of # 10 wire on a ceramic form. Finding the magic match, using my MFJ analyzer, took about 30 minutes for 160M, 80, and 40M. The vacuum variable, which might be gay, (10-500pf ... instructions to build the k1jj tuner << < (11/12) > >> kc1gtk: ... Tune the rig up to say, 1/4 power output and adjust the two wires spacing until the bulb JUST starts to light. The eye is most sensitive to light intensity changes when the bulb is barely lit. Do the same for the other side, making it the same spacing as the first bulb. ...28 September 2020 I want to build a K1JJ style balanced tuner that will match my horizontal loop (initially) to 50 Ohms. I have a choice of 2 vacuum variables for the parallel variable across the tapped coil, some soft annealed 3/8 inch copper tube, a former, some 3/16 copper tube for L2 and a 4 gang 1000pf total wide(ish) spaced …A site dedicated for the AM Radio Amateur and vintage radio. Home of the AM Press/Exchange, The AM Forum (the largest BBS of it's kind),and The AM Classifieds, Photos, Audio, and technical information. Audio and Video chat rooms. Topic: W5DWT Tuner / K1JJ Tuner (Read 1749 times) 0 Members and 1 Guest are viewing this topic. ka4koe. Contributing Member Offline Posts: 1157. It's alive. IT'S ALIVE!!! Topic: K1JJ TUNER DWG... (Read 2715 times) 0 Members and 1 Guest are viewing this topic. ve6pg. Member Offline Posts: 1114. K1JJ TUNER DWG... When tanks rumbled into Zimbabwe’s usually subdued capital Harare on Nov. 14, they brought with them change that at once felt both sudden and inevitable. Slight of frame with large...What we’ve created (and here's the best part,) is a hands down free online guitar tuner so you can easily tune up your guitar. Our tuner works through a microphone on your device, and the instrument range you can tune-up with our online guitar tuner tool is endless: acoustic, bass, electric, ukulele, etc. As we didn’t set any limitations ...Aug 4, 2010 · But I noticed that K1JJ (see the K7JEB website below), as well as W7XXX in his Electric Radio article (ER # 125), connected the suppressor grids to ground. The 1959 Edition of the Radio Handbook discusses "Zero Bias Tetrode Modulators" (section 30-8) and also shows a pair of 813's in push-pull with the suppressor grids grounded and the control grid and screen grid connected together. My K1JJ tuner is mostly used for feeding a short antenna on 75m. I've put legal limit into that same 70 ft doublet on 160 and the clips hold up fine. I don't know …The FLT4 gene provides instructions for making a protein called vascular endothelial growth factor receptor 3 (VEGFR-3), which regulates the development and maintenance of the lymp...Online Guitar Tuner. Use this free online guitar tuner to tune your guitar. You may use this to tune any type of guitar that has 6 strings such as an acoustic, electric, or even classical guitar. This is initially set for the standard EADGBE guitar tuning. If you need a different tuning then adjust the notes to your liking, or use the presets ...Jan 1, 2021 · I hope you have success in building this tuner. There was a lot of threads about it and different configurations to accommodate a wide range of antenna characteristics and its use all the way to 10M. For fast band changes, I like my Dentron 3KA. But the K1JJ tuner is just as effective as a Dentron and $300 cheaper. Many homeowners are wondering how they can reduce their carbon footprint — especially if they’re planning a home renovation. Here are 3 green alternatives for major changes. Expert...Topic: instructions to build the k1jj tuner (Read 35557 times) 0 Members and 1 Guest are viewing this topic. N7ZDR. Member Offline Posts: 31. Re: instructions to build the k1jj tuner « Reply #25 on: March 07, 2016, 10:58:40 AM ...Oct 20, 2001 · The AM Window: Tech: General: 813 Maul. T he rumor has it that Tom, K1JJ scribbled the original of this schematic out on the kitchen table of Craig, KA1ZEQ one evening. This is the 813 based rig you hear these "bigboys" using from time to time in the Northeast. Before you go trying to build one these, remember there are lethal voltages running ... Riding the Sound Wave: A Harmonious Review of the Joyo JT-01 Clip-On Guitar Tuner First Impressions. As an avid guitarist with a keen ear for perfection, I found my trusted ally in the Joyo JT-01 Electronic Tuner. Highly sensitive, versatile, and tailor-made for the cacophonous symphony of noises that life often presents, … The input coil connects to your radio and the big coil will have tAuthor: Topic: K1JJ TUNER DWG... (Read 2756 Download GuitarTuna today to tune, practice, and play the songs you love. Tune your guitar and other instruments with GuitarTuna, the world’s #1 online tuner. Our online guitar tuner comes with over 100 different tunings. Gtuner Pro. Gtuner Pro is the main software for programming, updating Antenna Tuner Questions << < (2/3) > >> K1JJ: Hi Rich - Those diodes and associated parts are most likely the swr directional circuitry and/or relative RF output metering stuff. Will not affect the power transfer of the tuner. ... Just one tuning cap and a big coil.. and a 5 turn link inside you cannot see. Vac variable is nice, but …The simplest method for tuning a ukulele is to use a microphone-based tuner. You can play each string on the ukulele directly into a microphone, which can provide real-time feedback as you play. You will be able to see visually whether the note is either too flat or too sharp, which you can use to adjust the tension of the ukulele string. Anyhow attached is my working but not mounted up

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Whether you play guitar, ukulele, violin or any other instrument, Tuner Ninja can help you get in tune easily and accurately with your microphone. No installation required. Just open the website and start tuning. You can also practice your ear training and pitch recognition with online exercises. Tuner Ninja is the ultimate online instrument tuner.I'm building the big K1JJ tuner, and I'm wondering... << < (2/5) > >> KF1Z: Yep, My primary input coil is inside the secondary as well. Most pictures and articles you find on the net are the same.... Just goooogle "link coupled tuner", and you'll find some pics/info.... I'm sure it would work just dandy either way....Jan 1, 2021 · Posts: 8302. Re: Amp Supply AT-1200 antenna tuner. « Reply #3 on: June 01, 2022, 08:46:09 PM ». if I may suggest a current balun with an SO-239, to connect to the coax output of the tuner. It should have wing nut terminals to hook to your line. Then the balun will push equal currents into the twin lead and your antenna. …

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Listen to live radio stations worldwide. 01. Filter by Sta. Possible cause: Tuner File Exchange is a meeting point where buyers looking for any tuning related files,.

Jan 1, 2021 · Re: instructions to build the k1jj tuner « Reply #48 on: April 22, 2021, 11:59:21 AM » Yep, for parallel feed a center tap to ground off the main coil is a great idea for the reasons described. The rig runs a pair of 813's in the final, modulated by a pair of triode-connected 813's, and is based on the K1JJ design. Charlie originally planned for the transmitter to cover 160 and 80 meters. However, it would be beneficial to extend that coverage to 40 if at all possible.

K1JJ: Quote from: kk6noh on February 23, 2016, 01:46:32 PM Hello Thanks that actually clarifies a lot. However one thing is still unclear. ... of the coil to the coax shield. Either way should work. You don't need a high voltage type tuning cap for the input cap because it is a low impedance (50 ohm output from your xmtr) high current part of ... Topic: W5DWT Tuner / K1JJ Tuner (Read 1749 times) 0 Members and 1 Guest are viewing this topic. ka4koe. Contributing Member Offline Posts: 1157. It's alive. IT'S ALIVE!!! Title: Re: K1JJ Tuner Efficiency Post by: Steve - K4HX on February 16, 2019, 03:32:01 PM. Generally, the closer to the center of the coil the feed line is tapped, the higher the Q of the parallel tank circuit. High Q means higher circulating currents and more loss. So, for best efficiency, tap the feedline as far from the center of the coil as ...

A Simple & Effective Antenna Tuner - Topic: Bliss Tuner Sick (Read 42418 times) 0 Members and 1 Guest are viewing this topic. K1JJ. Contributing Member Offline Posts: 8891 "Let's go kayaking, Tommy!" - Yaz. Re: Bliss Tuner Sick « Reply #25 on: October 19, 2005, 09:57:48 PM ...Are you looking to extend the life of your clothes washer? Our guide walks you through the best maintenance tips and tricks to prolong the life of this appliance. Expert Advice On ... K1JJ USA. Login is required for additional detail. EmaTitle: Re: An easy way to make a tune-up chirper? Post by: K1JJ o A Simple and Effective High Power Antenna Tuner. Submitted By Tom K1JJ. A Bulletin Board Chat with Jeff KA1OGM - - -. I've been using an off the shelf roller inductor tuner …Topic: Bliss Tuner Sick (Read 38062 times) 0 Members and 1 Guest are viewing this topic. K1JJ. Contributing Member Offline Posts: 8806 "Let's go kayaking, Tommy!" - Yaz. Re: Bliss Tuner Sick « … Also see antenna tuners . I never really used li The input coil connects to your radio and the big coil will have to be tapped out to match the aerial to the radio system. I had a vacuum variable cap available and that connects across the entire big coil. You can SEARCH for the K1JJ tuner and you will see endless postings. Fred flintstone mop: One last thought. Medicine Matters Sharing successes, challenges and daily happen1. Select your instrument and press 'Start TuAla’ Alsallal wants his online book retailer, Jama The AM Forum > THE AM BULLETIN BOARD > Technical Forum > Topic: Grid input network for K1JJ 813 rig. Pages: 1 [2] Go Down ... Steve..Did you look at the grid tuner from the cal handbook referenced in an earlier post by me.. I took some of tom's suggestions and made a few little mods and got it working very well with waaay more … Title: Re: An easy way to make a tune-up chirper? Po HP Tuners is the premier tuning and diagnostics solution for vehicle aftermarket performance with over 20 years of expertise. From vehicle diagnostics, data logging, scanning, and calibration, we cover all the bases with our flagship MPVI3 device and VCM software suite — the only tuning and diagnostics solutions you'll ever need for your …K1JJ working F5MIN on the 80m band 6:40 UTC 21 Dec 2022. I was using a homemade direct conversion receiver and a LZ1AQ receiving loop antenna. I am in the ci... I hope you have success in building this tuner. There was a lot of th[The simplest method for tuning a ukulele is to use a microphIndices Commodities Currencies Stocks Welcome to the most advanced online Ukulele Tuner for beginners. Fine-tune your Uke in any of the most popular Tunings. Fast, Precise, Responsive and straightforward. Select your Ukulele size and start tuning now! Our Tuner is compatible with any type of Ukulele (Soprano, Concert, Tenor, Baritone and Bass).