W6pql 23cm Amplifier. Of …. The transverter shown here runs on 12v (but it does need 36

Of …. The transverter shown here runs on 12v (but it does need 36 amps), and is a hybrid using … To make navigation a little easier, I re-arranged this page so the major products are grouped into sections. It has ALC, Temp, SWR … A Very High Power Amplifier for 1296 Nestled in the amplifier stack in the station, this amplifier uses the new MRF13750 50v LDMOS device, and easily produces 600 watts on 1296 MHz, requiring a maximum of only … To make navigation a little easier, I re-arranged this page so the major products are grouped into sections. The transverter shown here runs on 12v (but it does need 36 amps), and is a hybrid using … Mosfet Module Amplifier Construction Tips First, let's load the module PC board (s). Output from just one of these boards is in the range of 150 to 190 watts. It uses a small commercially-made coupler on the input, and for the high-power side, the … A 1 KW SSPA for 1. You'll need to refer to the schematic and the parts identifier, then perhaps watch this video for examples and suggestions on how to load … This amplifier takes advantage of the proliferation of surplus cellular 26v RF boards. I made the couplers using FR4 on the input, and . htm 200w 23cm Amplifier by W6PQL … This is assembled and tested 600w 1296 MHz 23cm RF power amplifier attached to copper plate based on W6PQL PCB. Explore suggestions for 23cm amplifiers, including built and ready-to-run units, on the UK Microwave Group Wiki. A complete set of the … After some coaxing from 33cm EME enthusiasts, I developed this 33cm RF deck based on the NXP reference design. Why Water … I did follow through with a design using 0. If it isn't, spread or compress … Comments? email to This is how the wiring was done as viewed from the connection side of the PC board. 8-54 MHz It's been a while since I built an amp for HF; I'd have to go back to the 60's and a pair of the venerable 3-500z tubes that I put together back then. This should be the same setting as lowest input vswr, and the input trimmer should be close to mid-range. Input … Fotky: novy PA 23cm: podle: http://www. … There is an additional description of a sequencer in the 300w 23cm amplifier article listed on the left. Here's some background info on the individual amplifier … Second 150w amplifier kit had not been built. … W6PQL 500W module W6PQL LPF (low pass filter) Power supply from RECOM RACM1200-48SAV/ENC: Datasheet for power supply Box for tower mounting of the PA from Fibox, link to … I used a perforated breadboard to hold most of the components and control circuits, and mounted it with a couple of aluminum brackets made from scrap. It uses the same MRF13750 LDMOS used in this 600w 23cm amplifier. The fan is positioned directly behind the intake port. square loop antenna, window line feed, 2dbi; 6m Moxon 7 element Yagi, 12dbi 10 … Many of us have been waiting for a practical 70cm solid-state amplifier design. The central core of the amplifier is the heat sink cluster shown here. On 23cm, an amplifier using just one ‘286’ can be driven into saturation with as little as 3 or 4 watts, and a pair with less than 10, making that last configuration a close match for many of … Comments? email to Here's a killer 1296 rover setup --- a small (FT-817) I. Like the W6PQL design, the PE1RKI (Bert Modderman) amp uses a pair of … 23cm Signal Generator 23cm Double Quad 23cm filters 13cm filter 13cm Signal Generator 13cm Transverter 120w 13 cm Amplifier 600w+ 33cm Amplifier 300w 33cm Amplifier 33cm filter 33 cm Crystal Source 33cm … A Nada directional coupler and W6PQL dual detector is used to provide an indication of output power and provide high SWR proection. … As I'm waiting for the mechanics to be produced for my coming 4. Some sample measurements made using this unit can be viewed here. So far no one has rated yet, so be the first to rate this … The second, triggered about 50 milliseconds later, brings the amplifier on-line (turns on the bias). Both have been sold as a 300w amp. It is fully remotable including power up, standby mode, and follows radio band selection by bcd method. There have been several versions of the boards eleased and I received the Version 7. A 1. It combines two 150 watt boards using 3db hybrid couplers. PA DB6NT 3/50W Innovative … Many of us have been waiting for a practical 70cm solid-state amplifier design. It includes a TR switch, relay sequencer, and all controls necessary to operate the amplifier safely and reliably. Parts used: Kit I0JXX Pallet 200MOD1296 50V amplifier (old model). Kit assembly instructions from Jim W6PQL Schematic of the PA module from Jim … Looking for a 1296 MHz (23cm) Power Amplifier? After discounting a W6PQL based kit, a PE1RKI 23cm 150W Power Amplifier was decided upon. … Category: W6pql 23cm amplifier This link is listed in our web site directory since Tuesday Oct 19 , and till today " A MHz Amplifier " has been followed for a total of times. An excellent match for those of us with a 10w driver (like the IC-910, TS … Here's a close-up of one of the prototype amplifier boards. PDF file here lists all of the necessary power needed for the complete amplifier. I can sell as ready to go PA … Under those conditions the amplifier can operate continuously at 125-150w output. 25kw and 600w transistors have been getting a lot of … Many of us have been waiting for a practical 70cm solid-state amplifier design. 25kw and 600w transistors have been getting a lot of attention, and this resulted in the … 23cm Power Amplifier SSPA 160W XRF286 MRF286 pcb from VE1ALQ W6PQL DF9IC 1296MHz For sale: 23cm Power Amplifier SSPA 160W. RA18H1213G Module data sheet Test Data after Enhancement … 23cm Signal Generator 23cm Double Quad 23cm filters 13cm filter 13cm Signal Generator 13cm Transverter 120w 13 cm Amplifier 600w+ 33cm Amplifier 300w 33cm Amplifier 33cm filter 33 cm Crystal Source 33cm … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … Many of us have been waiting for a practical 70cm solid-state amplifier design. The lower-right picture shows the placement of the RCA phono plugs on … Homepage van Maarten Ouwehand PG1NCreation date : 19/08/2007 @ 21:37 Last update : 30/11/2025 @ 20:03 Category : 70cm Projects Page read 41745 times I built this 4-module 100w amplifier assembly to be used as a component in a high-power portable transverter, intending to use it in a rover setup for contesting. The shaft passes through a 1/4" bushing in the front panel. 23cm Projects - Amplifiers 150W 23CM Turn-Key Amplifier by W6PQL https://www. The new 600w amp will be installed with W6PQL Ultra Control Board, FET switch for the 50v supply to the amp, and two W6PQL RF Dectector … The RF deck combines two of the Freescale MRFE6VP5600H devices used in the 500w LDMOS amplifier, onto a single board. com/150w_23cm_turn-key_amplifier. As with the 23cm unit, it was designed as an instrumentation source; this one has no power amplifier … Homepage van Maarten Ouwehand PG1NCreatie datum : 05/09/2007 @ 20:43 Laatste wijziging : 04/12/2025 @ 20:02 Categorie : 23cm Projekten Pagina gelezen 33631 keren Drive the amp with about 1/2w, and adjust the input trimmer capacitor for max current drawn. w6pql. 25kw and 600w transistors have been getting a lot of … Elecraft KX3, hybrid transverter and hybrid amplifier Elecraft KX3 and a hybrid transverter 140 ft horiz. The youngest 2C39/7289 tubes are 26 years old now, and even with unused ones, there is quite a variation in performance (see test data below). I used an insulated coupler, but it isn't necessary to insulate here (I just ran … This signal generator uses a free-running L-band VCO as it's source. Building the Amplifier This article gives an overview of the design and operation of the amplifier. New Item: 600w+ rf … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … I used the same principle in my 500W 70 cm power amplifier used in my current 70cm EME system. com/1296/index. A legal-limit … The swr input on the amplifier control board is already set at 5k for the reverse detector output, which is usually connected in parallel with the reverse power LED bar graph display. This project began when I was lucky enough to locate some surplus XRF-286 LDMOS transistors; I thought it might be nice to have a solid-state replacement for … Explore suggestions for 23cm amplifiers, including built and ready-to-run units, on the UK Microwave Group Wiki. A … This amp has two blf188xr modules so it will loaf at legal limit. Most of these instructions are also posted on the net in various places, and on Paul's web site. Sequencer – Installing the W6PQL sequencer in the Yaesu 736R (Credit to WA7TZY Borrowed from his site click here ) The 736R presents … Mats supplied the following simple schematic with his cavity, along with some additional instructions. Because … The dual XRF-286 amplifier pictured here makes use of many of the components from the other technical articles featured on this site. He did such a good job of tuning the cavity before sending it to me, I found that the only adjustments I needed … The full schematic . A legal-limit … The following is an excerpt from some of the recommendations I received from Mats on tuning up the amplifier. 25kw and 600w transistors have been getting a lot of attention, and this resulted in the … For an amplifier solution with an output of just over 60dBm I chose Jim's proven W6PQL design. htm http://www. The complete construction details, including numerous detail photos, can be found on the … 3cx1500a7 6m 6m home made amplifier 2 kw, F5MAG 300w for 23 cm amplifier W6PQL 3-500Z Amplifier,Eimac 100 W Linear Amplifier for HF bands OH2NLT and OH7SV 450 watt 6m … After some coaxing from 33cm EME enthusiasts, I developed this 33cm RF deck based on the NXP reference design. 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … Category: W6pql 23cm amplifier November Last update: These last few years, solutions to bring solid state power on 23cm were limited to only well-known MRF This device provides around … Comments? email to 600 watts solid-state on 1296? Yes indeed. It uses a small commercially-made coupler on the input, and for the high-power side, the … The sequencer protects those expensive RF relays from damage. What it actually does is operate the relays in order, allowing the contacts enough time to close and be ready for all that RF coming their way. There is a 60cfm 120mm fan mounted at the … LNAs (preamps) and MMICs Since writing the original article on the L & S band LNA, many new devices have become available for our usethe proliferation of cell phones likely contributed to this, making quite a few of … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … A 1 KW SSPA for 1. In the case of the1kw amplifier, this needs to be done for each LDMOS device. After my experience with his 23cm amplifier it was the obvious choice. As with the 23cm unit, it was designed … 600w 23cm LDMOS Amplifier July 08,2013: Amplifier done ! Tested power-handling @ 600W CW for 5mn with no prob. #22 is Ok there. Here's some background info on the individual … Index of /23cm_amplifierIndex of /23cm_amplifier Low noise amplifiers for 23cm and 21cm bands, based on SKY67151 (one cascade edition) and SKY67151 in the 1st cascade and PGA103+ in 2nd cascade (two cascades edition), with … s encountered while trying to build the W6PQL amplifier boards. 5 KW Low Pass Filter for 160-6 Meters The most current version of the filter is generation 2; the original filter article, and another revision (rev 6) of the original filter board are also described here later for reference only. Description & pictures of a water cooling system. 062 inch Taconite substrate (see Figures 6 & 7 below) which includes a directional coupler for forward and reflected power monitoring purposes. It has a 1 KHz modulator, and a variable-level amplifier (-20 dbm to 3 watts), making it suitable as a source for antenna range measurements, which was it's … This VCO-controlled signal source is very similar to the one described for 23cm (see the navigation bar to the left). There are four amplifier boards on it, each using a pair of XRF-286's. 25kw and 600w transistors have been getting a lot of … This VCO-controlled signal source is also very similar to the one described for 23cm (see the navigation bar to the left). It happens … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … After discounting a W6PQL based kit, a PE1RKI 23cm 150W Power Amplifier was decided upon. This sequencer is even better, and will handle up to 4 events; one output is able to sink up to 100v at several amps, and the … Of course the amount of surface area is relatively large for almost any 1296 design which will have an impact on the production cost if the high frequency substrate is chosen. 2 which gave me problems. square loop antenna, window line feed, 2dbi; 6m Moxon 7 element Yagi, 12dbi 10 … Comments? email to The grid of 1/4" holes drilled into the bottom of the chassis provides air intake for ventilation. 8 meter dish for 23cm EME, I started looking into building a suitable power amplifier for the system. Most of these sections also list accessories commonly used with those major items. 18 gauge 600v wire was used throughout, with the exception of the keying lines and fans. 062 PTFE on the output. The amplifier is based on a module purchased at the Friedrickshafen radio show. It's water-cooled, thermally stable, and … Solid-State 23cm Amplifiers For those of you participating in this 23cm amplifier project, here is the link to the project construction tips and tools page. A 4-port transfer relay is used to switch the amplifier … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … There are four amplifier boards on it, each using a pair of XRF-286's. com/60w_23_cm_amplifier. F. htm … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … This is a test of my 1296 Mhz 160W Power Amplifier than I built, based in a W6PQL pallet, use 2x MRF286 transistors, built in power supply (110/220Vac), PTT control, temperature control and TX/RX 600w 23cm LDMOS Amplifier XRF-286 Amplifiers for 23cm 150W 23CM Turn-Key Amplifier 300w 23cm Amplifier 200w 23cm Amplifier 100w 23cm "brick" 100w 23cm Transverter 60w 23 cm Amplifier 23 CM Beacon 23cm … The transverter output utalises the connecter where a 23cm module could be installed. The substrate … The RF deck combines two of the Freescale MRFE6VP5600H devices used in the 500w LDMOS amplifier, onto a single board. All of these events … Comments? email to Here's a killer 1296 rover setup --- a small (FT-817) I. The third, happening 50 milliseconds after the second, is optional, and might be used to enable a transverter. The 23 cm amplifier pictured here delivers more than 300 watts with 10 watts drive. Many of us have been waiting for a practical 70cm solid-state amplifier design. It has it's own integrated input/output branchline hybrid couplers, and an output sampling coupler (for ALC feedback or power … Complete 1 x GS-15B "tabletop" PA by W6PQL. As shown in this photo, each drain bypass should consist … Top: Here the cavity is shown mounted with the plate tuner connected to the tuning shaft. The two holes to the right of the grid are for the cavity saddle mounting screws. Time to upgrade, so I built this one. The control sequencer is a W6PQL sequencer, together with a high-side FET switch, Control is by a … It's water-cooled, thermally stable, and very smooth-tuning. New Item: 600w+ rf … Comments? email to I built this 4-module 100w amplifier assembly to be used as a component in a high-power portable transverter, intending to use it in a rover setup for contesting. Like the W6PQL design, the PE1RKI (Bert Modderman) … Homepage van Maarten Ouwehand PG1NCreation date : 05/09/2007 @ 20:43 Last update : 04/12/2025 @ 20:02 Category : 23cm Projects Page read 33641 times Also see ARRL web files. Note that the screen voltage is derived from the half-voltage point of the voltage … The RF relay is a little Swedish made GHz SMA relay (branded Philips) whilst DC voltage is sequenced to the relay, amplifier bias (12V) and the the transverter PTT using a W6PQL sequencer and a band … This change does not affect input tuning or the performance of the amplifier at 70cm. Freescale Semiconductor's recent offerings of 1. Preparing the GS-15b to be water cooled. radio driving a 100w transverter with a 1db nf front end. Board well tested and ready to put inside your own EME amplifier. I've actually driven it to 400w+. bj3tcy
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