Demi 2m transverter. The 2m transverter uses 50-54 MHz as IF so the .

Demi 2m transverter. Jan 29, 2023 · Down East Microwave Inc. I use a piece of RG8X as the power cable to supply 12V to this box. So far I have been unsuccessful repeating through the KE5RCS repeater. Most transverters are available as either kits or assembled units. Our local D-Star repeater W5KA is not in the Repeater List provided with the D-Star waveform client. The 1296-144 has a linear output power of approximately 2. I’ve had good experience with them and run a kw amp on 2M. Operating Instructions: This DEM 3456-144 transverter is a combination of circuit boards designed by Down East Microwave Inc. Heck, you could make D-STAR contacts on 3. The Transverter will also contain an AUX RF port that will be configured as an additional 2M port for connection to a higher eHam. I used an FTDX5000 with a transverters-store transverter for a while, and it was pretty competitive against an Icom IC-9100. Many other interfaces can be designed or just built to suit your needs. io Topics FTDX5000/SCU-17/Transverter Date 1 - 3 of 3 Dec 11, 2018 · Many popular multi-band, multi-mode transceivers already have 2 meter CW/SSB capability and will drive a 10 GHz transverter as long as you reduce the 2 meter power output to match the transverter drive requirement. Engineered for optimized l0M-2M conversion performance. Just received a brand new, waited for 6 months, DEMI L432-28 70cm transverter. eHam. BTW: sensitivity is one of the easiest tested receiver characteristics. 144 to 28 MHz Transverter. (DEMI) Transverters This document is provided to aid in the connection and operation of DEMI transverters with most of the transceivers available on the new and used market today (2005). It was developed by the Ukrainian engineer UR3LMZ especially for Ham radio. I run about 25 Watts out into a Beko amplifier, steady 1. The XVTX port on the FLEX-1500 will generate a maximum of around +3dBm. Looking for $7000 OBO for the pair shipped CONUS. DN040: Installing DigiLO in a DEMI 2304 and 3456 transverter. I also need one more 2m transverter. Both factory reset and ready for a new home. I was wondering, if you placed something like Down East Microwave's 2 meter LNA on the Xvtr connection and monitored 4 separate frequencies, could you also use a DEMI 70cm transverter which uses a 28 MHz IF connected to, say Antenna B, and monitor another 5-Band VHF/UHF TransverterA Complete 5-Band Full-Power Transverter for 144, 222, 432, 902, and 1296 Measuring only 10" x 10" x 5" and Weighing 7. Follow your transveter’s instructions. Down East Microwave 10 GHz Transverter Kit 2 meter I/F transceiver Relay and rigid coax Dish or Horn antenna Jul 18, 2025 · To byu full compllete TRANSVERTER KIT (transverter board, attenuator board, all connectors and etc. I do like the idea of the Elecraft transverter being internal to the K3. Allison KB1GMX says “The ubitx sans driver and finals will put out roughly the right power for most modern transverters without the problem of too much power. Aug 4, 2014 · Se habla espanol! For further information and/or to place an order please contact us at: Down East Microwave Inc. Jan 2, 2011 · I have a DEMI 2m transverter, I use it for WSJT-x/JT65 doing EME. Interfacing Transverters with the Elecraft K2 Transceiver. 8 and have the DEMI 2m Amp that was made specifically for the 6700. Jul 16, 2025 · To byu full compllete TRANSVERTER KIT (transverter board, attenuator board, all connectors and etc. with a weatherproof GPS antenna. 5 watts and may be achieved with as little as 1mW of IF drive. 222 = DEMI + LunarLink LA-12 1500w out and a 23el MSquare at 73'. 1. ALC-controlled 10M input handles power range of 4 to 20 watts. To convert 2M IF Microwave Transverters to 28MHz IF Complete Kit To convert 2M IF Microwave Transverters to 28MHz IF PC Board Kit Universal Transverter Interface for Elecraft K2 transceiver, kit only! Dec 1, 2011 · The purpose of this mash-up is to package the PCBs from a DEMI L144-28INT intermediate transverter and DEMI ApolLO synthesizer within the covers of a modified FLEX-1500 transceiver while retaining the ability to revert back to the original multiband FLEX-1500 configuration. 3-10GHz Transverters VHF/UHF Amplifiers 2M-10GHz Amplifiers Transceiver Interfaces Antennas Proceedings Surplus Components (06/2025) eGift Card Why use a Transverter? The two main reasons to use a transverter are Performance and Economics. 5 v of course . 0dBNF, High level mixer, 28MHz IF Complete kit of 144-28 with all connectors, machined enclosure, and heatsink PC Board kit only, 10mW Output and same RX specs as 144-28 MHz). Downeast Microwave Transverter Repair ServiceI use an old Icom-251A 2M all mode rig as the I. Or so I thought. I am getting into EME and have a Demi 2 meter transverter rated to 50 watts output. All circuitry operates from a internal 9 VDC Regulated supply which makes it an ideal portable rig or it can be easily implemented into an existing home station. In our Complete Kit version, you receive all three circuit board kits, the 10368K (transverter PCB); the TC and the DIGILO Synthesizer with a prepped extruded aluminum enclosure, mounting plate and all necessary hardware and connectors to get you on the air. Owner Steve Kostro (N2CEI) offers a wide variety of equipment ranging from 6M through 3 CM (10 GHz). I bought them from China and waited about 2 weeks for them but paid $50 each including shipping. I will include a heavy duty GPS antenna as well. This webpage is for reviewing the new 2 meter transverter from Elecraft for the KX3. All frequencies convert to/from 28 MHz. 0dBNF, High level mixer, 28MHz IF Complete kit of 144-28 with all connectors, machined enclosure, and heatsink PC Board kit only, 300mW Output and same RX specs as 144-28. Interfacing Down East Microwave Inc. 386-364-5529 (Voice) Monday thru Thursday from 10:00am to 7:00pm EST (we close for lunch 12:00pm to 1:00 pm) For our e-mail address please click here. 3GHz with power output greater then 1W. Same here, anyone having something like that for sale or can point me in the right direction? Preferably in EU Jan 2, 2011 · Catching up on this thread and also have DEMI/Q5 transverters for 2m and 70cm on my Flex 6600. No need for hi pwr on TX. Coupling one with a modern day, "High End" transceiver, will offer you the highest performance VHF-UHF-Microwave system available today! Yes, with the right transceiver as an IF, they will out perform any VHF-UHF DownEast Microwave (DEMI) has new pre-assembled 4 and 2 meter power amplifiers / LNA exclusively for the FLEX-6700 and FLEX-6500. It might be argued that tubes are now obsolete for all except high-power applications, but for Amateur work tubes 2 meter I/F transceiver Down East Microwave 10 GHz Transverter Kit Relay and rigid coax Dish or Horn antenna Jan 10, 2025 · Homebrewing transverters, projects and kits, a curation of 50 useful links about Transverters THOUGHTS ON EXPANSION • Currently, I’ve built an add-on unit with an SG-LABs 144-902 transverter and an SG-LABs 430-3400 transverter using a Comet Triplexer to split out the 2m, 70cm and 23cm signals. Then you would have the full 144-148 Mhz coverage, and To convert 2M IF Microwave Transverters to 28MHz IF Complete Kit To convert 2M IF Microwave Transverters to 28MHz IF PC Board Kit Universal Transverter Interface for Elecraft K2 transceiver, kit only! Reviews For: UR3LMZ Dual band Ukraine / Ebay transverter Category: Transverters eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. This paper will cover the upgrade of all KK7B, SHF, DEM and DEMI 900 and 1296 MHz transverters by first disabling the original Local Oscillators and integrating the Our assembled products availability is currently between 2-5 weeks from the time of order. ) About the only real [] [] Down East Microwave Inc. Puts out 10+ Watts, transmitted signal sounds good. Works great. Two pan adapters open, one set for low band, 40M, and the second set for two meters via TXVA function. This neat little interface box can be used to use any transverter with radios, like the IC-7300, that do not offer support for transverters. Also W6PQL has a board and other parts for an amp with these. 5 lbs. It should not have any effect on, or benefit for the 2m transmitter. 432 = DEMI + LunarLink LA-72 1500w out and a 38el M2 at 75'. There are also many magazine articles and Internet sources on the subject of homebrewing transverters if you're the adventureous type. Jun 1, 2015 · Recently I purchased a 2m transverter board from UT5JCW. using a K3S with a Q5Signal 144MHz transverter1 - 9 of 9 1 The shack 222-432 Antennas 2m-6m Antennas 10ghz CONTEST 2002 10ghz CONTEST 2003 MICROWAVE UPDATE 2003 WSWSS CONF 2002 2m MELTDOWN FUNNY 2m DEMI TRANSVERTER CTIDMK-WA6CGR'S ME2T-PRO High Performance 2m transverter After the successful ME2-T transverter project we decided to build the -PRO version of this transverter. Q5 Signal, LLCThe Source for Down East Microwave VHF/UHF Transverters, Amplifiers, and Accessories Jan 2, 2011 · My 1. Q5 Signal will now produce and manufacture all DEMI power amplifiers through 1. I use a LDPA with my 6700 and other than being a bit off frequency and the fact that there isn't any tone filter, it will work through a repeater. 4GHz with a 3GHz transverter if you can find someone else with the same setup ;-) The three common transverters I see are DEMI (Downeast Microwave), Kuhne and Elecraft. So you basically have from around 144 to 146 Mhz coverage. I just want most of my $$ out of them so $50 each delivered in the US. This will supplement my field testing report, so some upgrades or modifications may ensue from the pre-sales testing cycle. By Steve Kostro, N2CEI ( ZIP file of the Power Point Presentation given at the SVHFS conference, 21MB size) Generic Transverter Interfacing By Steve Kostro, N2CEI Toyocom or NDK 10MHz Source Data sheet . Why use a Transverter? The two main reasons to use a transverter are Performance and Economics. Today, there are three primary sources of transverters designed to work with a wide variety of transceivers. Mar 9, 2019 · As topic states what good 2m/440 transverter is everyone using these days? I see the gentleman from Ukraine selling them but I have not found anyone using them. The MMT 1296/144 transverter, completely in solid state, is a linear transverter which, coupled to a 144 MHz transceiver, constitutes a highly reliable 1296 MHz transceiver. It has a "bypass" port, but has a single IF BNC. I have a 25w DEMI 144/28 transverter but wanted something lower in power so I would not be having to remember power settings every time I went to 3400 or 10G. 49, MOX TX will not work on 2M XVTA after using TX on a second non-TXVA panadapter. 9 Includes Power Cable, Stock Mic, and Spare SD Card (from Flex) Rack Mounts Digital Loggers AC Power Relay for remote reboots Flex Control Knob 144-28 25W 2M DEMI Transverter 2nd Owner Serviced by Q5 in Oct 2022 Includes power cable, RCA cable for PTT, and BNC cable for IF $2550 OBO includes CONUS shipping. 19519 78th Ter. My KX3 is modified by adding a heat sink for the HF/6m transmitter. 9 and just recently got a DEMI 2m transverter (28MHz IF) connected and working with my 6500. I can’t seem to locate the power plug for the ref osc. For example, the standard transverter seems to convert 10m to 2m. With the design featuring MMIC and SAW filter technology, it can be ordered to operate on any single Amateur band between 2M and 23 cm Mar 9, 2019 · I'm enjoying my 6600M and was thinking of trying out a transverter for 2M but have zero knowledge & experience. However, any transverter will work because SmartSDR is very flexible in its support for them. Shop now for fast shipping and easy returns! 2m Transverter Selection I acquired at a flea market an old used DEMI 144-28DC low power transverter board. The guidelines here are by no means the absolute, but will determine how we will configure your transverter if purchased from us assembled or help you to decide what 144-28INT 2 Meter Transverter Assembled as Intermediary for Microwave Xverts (Up to Dec 2009) L144-28INT 144MHz Assembled Intermediate Transverter manual , L144-28INTCK Complete kit manual (2011-2017) Q5 Signal is currently handling all transverters and power amplifiers from 50MHz through 1. 2 Meter Products (144 - 148 MHz) 2M transverter assembled, 25W, <1. Apr 17, 2018 · Use a saturated NPN switch driven from the +TX to key the transverter”. 3GHz 144-148MHzHome > Catalog > 144-148MHz Catalog Low Noise Amplifiers 50MHz thru 1296MHz Transverters 2. 12. 3GHz with power output >3W. com Also may have a Flex 6400 w/ATU and DEMI 2m transverter if looking for a complete station. Includes Microphone and power cables. The lower one is at 404MHz, corresponding to the transverter's local oscillator, and the higher at 460MHz, corresponding to the LO plus twice the IF. TenTec currently produces very basic 6M and 2M transverters that, by most accounts, work pretty well. 200 MHz with your L144-28, it will require you to tune your Jan 2, 2011 · I have one of the ukraine 144/432 transverters available if anyone is interested $60 shipped US. rig for bands above 902 MHz. 5. The 144LP model (low power) is a basic design that can be used as a portable rig or integrate into an existing system. Home Messages Hashtags Guidelines FT-950 Topics Date Date 1 - 4 of 4 DN035: False reading when testing Noise Figure on L33HP and L23HP transverters DN037: Low sink current PTT-Low modification for DEMI transverters DN038: DEMI 3456 Transverter operating frequency change. I have one 2m transv from Kuhne (144 TR something), looking for something similar. Home Messages Hashtags FTdx-5000@groups. Asking $425 plus shipping From (e-Mail): To: N2BEG Subject: An Inquiry into your eHam classifieds post : DEMI 2m transverter, Model L144-28 with GPS ref From (e-Mail): To: Subject Why use a Transverter? The two main reasons to use a transverter are Performance and Economics. No worries about blasting my transverters! The mod can be reversed by simply re-fitting the jumper plug that I removed that removes DC power from the PA output transistors. I have also used it for FM simplex. I can program my K3 for transverter levels by band making it easy. Coupling one with a modern day, "High End" transceiver, will offer you the highest performance VHF-UHF-Microwave system available today! Why use a Transverter? The two main reasons to use a transverter are Performance and Economics. (WARNING: KNOW how much power your transverter can handle. 4. What software are people using for tracking and rig control with this setup? eHam. Live Oak FL 32060 Tel 386-364-5529 Jan 2, 2011 · Someone here recommended the DEMI 2m LPDA, which takes the mW output from the 6700 and amplifies it. 1. If you plan on getting involved in weak signal digital work, be sure the transverter you decide on has good freq. I also have a transverter store 432 that works good $50 shipped US. 4ghz, or you can swap the board yourself for $129 if I recall correctly. Live Oak FL 32060 Tel 386-364-5529 The 10368-144CK and 10368 -144LPCK is a complete kit version of the 10368- 144 and the 10368-144LP, Low Power transverter. And, I have no RX signal and no indication of TX signal. Apr 26, 2021 · Re: Low Transverter Power with DEMI 2m by NZ5F » Tue Apr 27, 2021 12:25 pm Turns out with setting at default values of 65 I blew up my RF concepts brick. 3456-144LP Transverter ($80) DEMI said for $175 they will install a new board to convert to 3. 20 2nd Owner Looking to sell because I do not really use it enough and would like to fund new projects. DEMI has many different ways to interface many different rigs. Coupling one with a modern day, "High End" transceiver, will offer you the highest performance VHF-UHF-Microwave system available today! Yes, with the right transceiver as an IF, they will out perform any VHF-UHF-Microwave transceiver on the I use a DEMI transverter (2m) with separate Rx and Tx. It seems that we have an extra delay and we will get a newer version of the 2MLDPA Jan 2, 2011 · How-To 2m and 70cm DEMI Transverters on a 6700 & Questions « 1 2 3 4 5 » « 1 2 3 4 5 » 144MHzProducts for the 2M Amateur Radio Band 144MHz to 148MHz. Still need to figure out shipping cost and import tax (shipping to The Netherlands) Or if you have Mar 9, 2019 · Still waiting for DEMI to deliver. Aug 18, 2019 · I'm running SmartSDR v2. 2M = DEMI + LunarLink LA-22 1500w out and a 17el M2 at 70'. Coupling one with a modern day, "High End" transceiver, will offer you the highest performance VHF-UHF-Microwave system available today! Yes, with the right transceiver as an IF, they will out perform any VHF-UHF For 2M and above, I use an Icom 756Pro2 for the IF with DEMI transverters for all bands. Common RF option for all High Power transverters, factory installed only 2M transverter assembled, 25W, <1. 2. 0dBNF, Custom Built to your specifications. It is set up with the correct drive voltage for connecting to the TRV jack in the back of the radio. both the DEMI and Trimble thunderbolt 10Mhz GPS ref osc. F. 10368MHzHome > Catalog > 10368MHz Catalog Low Noise Amplifiers 50MHz thru 1296MHz Transverters 2. 0dBNF, High level mixer, 28MHz IF Complete kit of 144-28 with all connectors, machined enclosure, and heatsink PC Board kit only, 10mW Output and same RX specs as 144-28. 28ppm Nov 16, 2019 · If you've been reading my blog, you'll recall that I've added a 222 MHz Rover Yagi to the stack of rover antennas. ) 2 meter Transverter I was considering selling it and getting the Internal one for the K3. Description Full 10 watts RF output. Explore a wide range of our 2m Transverter selection. We also have other auxiliary equipment such as intermediate converters to convert 2M to 10M (144-28DC) This is used to convert all of our microwave transverters to 28 MHz IF's. But DEMI also has transverters available for 220, and 440 (plus other Bands). With the implementation of frequency synthesizers in higher frequency transverters providing a “New Life” to the hobby, it was only natural to address the issue with the lower and sometimes more popular frequency transverters. +20 dBm input is fine and easy to adjust with the Flex controls. When W1GHZ (ex N1BWT) first designed and released the details of this transverter in NOV. 2M transverter assembled, 25W, <1. Jan 2, 2011 · I have a Flex 6700, Smart SDR 2. The transmit output level is approximately 1 watt and will exhibit a 2 dB nose figure with greater than 15 dB gain on all bands. Now I feel that I'm gaining real VHF experience — finding one more band for still more white noise. He sells them here: http://transverters-store. They’re also good on FM if that’s you’re cup of tea. With Q5 Signal High Stability DigiLO synthesizer. Coupling one with a modern day, "High End" transceiver, will offer you the highest performance VHF-UHF-Microwave system available today! Jan 2, 2011 · I am using a DEMI 2m transverter with my 6500. The SG-Labs transverters both put out 3w and both have RF-sensing for PTT. Don’t forget the Elecraft line of transverters. 2ghz transverter uses a 144 MHz IF There is bypass port in the demi 2m Amp LDPDA So when it is turned off you can daisy chain another device. They will also provide complete repair and support of all previously manufactured power amplifiers including kits within this power and frequency range. The alternative is a transverter that takes another band output. DEMI transverters are designed for the high performance, weak signal enthusiast. For example, if the transverter bandwidth is 2 Mhz, then on 2 meters you can create 2M-1 and 2M-2 segments that map 28 Mhz to 144 Mhz and 146 Mhz to access the entire 4 Mhz. Apr 17, 2019 · Why I decided against the IC-97001 - 3 of 3 1 Manager Reviews Home Reviews For: Down East Microwave 222-28 ( New 2010 Version ) Category: Transverters eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. Prices run in the $300-$400 range for the basic transverter Jan 2, 2011 · After upgrading to SDR 2. Does not include the hand key or Bird Watt meter. PDF Product Description Link Jan 2, 2011 · I have a Flex 6600. If you ordered a special frequency conversion, it will be listed here. The DEM V/U XVERTER is a 5 band transverter covering all amateur radio bands from 2M through 23 cm. The Transverter will also contain an AUX RF port that will be configured as an additional 2M port for connection to a higher DownEast Microwave (DEMI) has new pre-assembled 4 and 2 meter power amplifiers / LNA exclusively for the FLEX-6700 and FLEX-6500. The DEM MINIVERTER is a single band transverter designed to provide a 2nd conversion of any microwave transverter to a 28 MHz transceiver. HTX-100 has no receive audio and tuning dial is temperamental, so I've listed as not working, up down buttons tune correctly. Oct 9, 2017 · I bought the unit to use as interface from my K3 to mw transverters that use an IF of 144-MHz using 1-3w drive. When listening to repeaters, you will hear the tones loud and clear. Jan 2, 2011 · Firmware 1. ) or COMPLETE READY transverter see. Connect the transverter IF ports to your 2M transceiver system using 50Ω cables. 5 from 2. 1296 = DEMI HighPower transverter 70w out and a 35el M2 at 80'. 2 Meter Products (144 - 148 MHz) 144MHz transverter, 60W output <1. I have IF drive level: 0 to +20 dBm Common IF. Multiband VHF/UHF and Microwave Transverters Revision C Steve Kostro, N2CEI, Down East Microwave Inc. Didn’t take much to blow up the brick amp. 1 input from the Flex6300, 1 output to the 2m/4m/6m EA-antenna and a 2m/4m relay switch in the alu box, connected to the ACC PTT. My question is, can I still come up with a successful wiring scheme for Satellite operation by adding a UHF transverter to my station? The wiring diagrams that I have seen in the past, had shown 2m amps that had both an IF in and IF out, and the 2 Meter Products (144 - 148 MHz) 144MHz transverter, 60W output <1. Connect the PTT circuit to your transceiver PTT circuit (High of Low to ground). My Demi transverter is fine and so is the new Anan 7000DLE Mk2 black, bummer for sure since session is here but at least I have 50W. I did a super easy modification to it to set the output power at the -5 to -8 dBm level. It has it's own on board 10MHz reference as well as the availability of using a external reference. Both of these are due to inadequate filtering: the DEMI uses helical filters with a very narrow bandwidth, but these aren't cheap. Transverter Transverter für den Amateurfunk Home / Konverter/Transverter / Transverter Ihrer persönlichen Daten May 9, 2021 · To interface the transverter with the IC-7300 I bought a used DEMI TIB (Transverter Interface Box) a while ago. net is a Web site dedicated to ham radio (amateur radio). The 5760K is a PC board kit originally designed by W1GHZ and Down East Microwave Inc. Also, please understand that the conversion is simple math. Jul 14, 2016 · It has NOTHING to do with operating the 6700 and the DEMI for 2 meters. Jan 2, 2011 · He allI am planning to buy a new transverter, I'm currently use a transverter-store one but it drift all over the place on ssb/digi modes. Sep 9, 2019 · Date 1 - 20 of 20Transverter Down East Microwave 10 GHz Transverter Kit 2 meter I/F transceiver Relay and rigid coax Dish or Horn antenna The DEMI transverters are basically plug and play as they design them specifically for Flex, and Flex also has SSDR support for them. Ron W5RKN Mar 24, 2014 · I already have a DEMI (Down East Microwave Inc. Jan 2, 2011 · I think I read somewhere, that at most 4 receiver slices can be used with a transverter or a 2 meter LNA hooked up to the Xvtr connection. I’d appreciate comments or comparisons. 0dB Noise Figure Typical High Level Mixer Front End PIN Diode Protection 2-Stage SAW Filter Design RF Output Level Meter PLL Synthesized LO Internal 0. Home > Catalog > Accessories and Miscellaneous kits for DEM productsSort By: Transverter Transverter for Radio Amateurs Home / Converter / Transverter / Transverter Secure Payment SSL encrypted 100% Protection of your personal data Quality guarantee Satisfied or money back Jan 29, 2019 · A little different to the DEMI! As well as the wanted signal at 432MHz, two other large peaks are visible. stability…. Apr 12, 2016 · On the DEMI transverters there is a TX LEVEL Pot that adjusts the amount of drive that gets to the mixer. 1997 QEX, it was a basic PC board design with some details of how to interface it with a few circuits to produce a simple state of the art transverter. 0dBNF, High level mixer, 28MHz IF Complete kit of 144-28 with all connectors, machined enclosure, and heatsink PC Board kit only, 10mW Output and same RX specs as 144-28 Mar 7, 2018 · Author Topic: 2m band transverter build (Read 8313 times) 0 Members and 1 Guest are viewing this topic. . Good performance and must have 10MHz ref input. com/144mhz. Got my eye on a demi/Q5 transverter (can get a db6nt/kunhe electronics one but the prices are much higher). It doesn The DEM 10368-144 or 10368-144LP is a complete transverter ready to be interfaced with a 10 watt or less 2 meter transceiver. 3-10GHz Transverters VHF/UHF Amplifiers 2M-10GHz Amplifiers Transceiver Interfaces Antennas Proceedings Surplus Components (06/2025) eGift Card [] [] Down East Microwave Inc. Front panel indicators and connectors Controls and jumpers inside the box eHam. Pretty sure these are current in DEMI 2M transverters. Jan 2, 2011 · I have a pair Q5 Signal transverters (2m and 70cm) (same as DEMI) that I use just about every day for FT8. Find top brands, exclusive offers, and unbeatable prices on eBay. Merit at RF Parts wants $65 each 1296Mhz Transverter Kit DEM Part Number1296-144CK Operational Overview: The DEM 1296-144 is a 1296 MHz to 144 MHz transmit and receive converter. The 2-meter transverter described here is a hybrid, which employs both tubes and transistors. PTT low is standard (I think) and will switch the Flex properly. 10GHz transverter, 3W output <1. For example, L144-28 means that 144 MHz is converted to 28 MHz. First let me say I already have one of the transverters from Ukraine for 2m and have no problems in either TX or RX with my FLEX 6300. 3-10GHz Transverters VHF/UHF Amplifiers 2M-10GHz Amplifiers Transceiver Interfaces Antennas Proceedings Surplus Components (06/2025) eGift Card Any of the Sherwood Top 10 HF receivers with a Kuhne or Down East Microwave transverter using an outboard GPSDO should be a pretty compelling option. If you desire to operate on 144. When completed The two main reasons to use a transverter are Performance and Economics. 5 dBNF, Separate TX/RX. Email to wg2g@wg2gradio. That's my understanding of how to do it. 5"H x 5 "W x 8"D. Common TX/RX Antenna jack. htm Date 1 - 13 of 13New Ukraine Transverters Based on some YouTube demo videos I found, if the bandwidth of the transverter is less than the ham band of interest, then you can create several mappings to access each band segment. You will need to repair the HTX-100 for those issues. Email me if Catalog Low Noise Amplifiers 50MHz thru 1296MHz Transverters 2. 2m is built into the 6700 and does not require a Transverter. If I go with the LPDA, I’m pretty much locked into the Flex, while a transverter would be usable on other radios. I bought both DEMI 50 watt transverters and no longer need this. Assembled and tested PC Board only, 300mW Output. Both of mine are 25 watt versions and I use separate amplifiers with each one so I don't typically run the transverters are more than about 10watt output. I just received a Demi Q5 Transverter, L144-28 2 meter unit. Flex 6600 with DEMI 144 MHZ Transverter. It’s the 30w version of the DEMI. Down East Microwave DEMI 144-28 2m Transverter and Realistic HTX-100 28MHz XCVR. For Q5 Signal product line details or to schedule a repair on one of Down East Microwave legacy 50MHz thru 1. 144 to 28 MHz High Dynamic Transverter Board. Solid-state T-R switching. Part Number Verification: All transverters contain the operating frequency within the part number. Nov 1, 2016 · I am using a diecast box with 2 transverters (2m and 4m) build in. Interfacing can be simplified by using one of the various interfacing options available from DEMI or simply configure your 2M IF rig yourself to correspond with the options installed in the transverter. Based on the popular DEMI VHF transverter design, they have developed a 2 and 4-meter power amplifier design to compliment the FLEX-6700/6500 transceivers. (If I stay with DEMI they will all match and can also be used with other radios. 5 kW, 47 seconds on every other minute from moonrise till moonset. Jan 2, 2011 · FlexRadio 6400 w/ATU Original Owner (Nov 2021) Firmware 3. The 2m transverter uses 50-54 MHz as IF so the UT5JCW 144/28 10W transverter W1GHZ Transverter (Kit) 222 MHz with 28 MHz IF Q5 Signal 222 MHz transverter SG-LAB 2300Mhz Transverter SG-LAB 3400-MHz Transverter SG Labs 902 MHz transverter SG-LAB 1296Mhz Transverter Funkamateur BX-302 transverter KX3-2M 2-Meter and KX3-4M 4-Meter Transverter Options Q5 Signal 432MHz Transverter DF2FQ XV4-40 So I'm considering getting a transverter in the off chance I can do 2m digital, and I have a question regarding the choice of band to convert from. Live Oak FL 32060 Tel. This past week the DEMI 222 MHz 25 watt transverter arrived from Q5 Signal. I have noticed that if I:1. What options can you recommend (common if and such). They have a little lower pwr output but just fine for running solid state amps. It seems, after some headscratching and email exchanges about small differences from the published schematic and layout, that it may actually be an unauthorized (and not quite identical) copy of the DEMI board. DN039: DEMI 3456 to 3400 Transverter operating frequency change. Up for saleUR3LMZ transverter withhigh dynamic range. Probably the most common source of VHF, UHF and microwave transverters in the US is Downeast Microwave (DEMI), a small niche manufacturer in Frenchtown, New Jersey. Reviews For: Ten-Tec 6 & 2 meter Xverters Category: Transverters eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. Product Features: DEMI VHF/UHF transverters will have all of our standard transverter functions plus the additional features and circuits listed below to allow for ease of interfacing and expandability. The alu box is also the cooling for the TX-Fets. Assembled in enclosure. You will be able to use the radio for D-STAR on 2m with a transverter. Standard Features: 28MHz IF 25W Output (10W on 1296) 20dB Receive Conversion Gain 1. Jun 3, 2020 · Here is some info from DEMI, a very well known USA company, on their latest transverter. By Steve Kostro, N2CEI Generic Guidelines for Interfacing a DEMI Transverter. Have had it for about 6 months. They will also provide complete repair and support of all previously manufactured transverters and power amplifiers including kits within this frequency range. My thought was to see if they could set it up to convert 6m to 2m. jxoms sophm elfv iigm wnph ghqdtb xgiij jobcdlq qmg fkbvbn