Jan 07, 2012 initial testing of a new softrock lite ii built for 40 meters. Much of the software is available as a free download, and full details to. The softrock duo is a motherboard that can have up to two softrock lite receivers plugged into it, allowing for push button selection between the two modules. Much of the software is available as a free download, and full details to be found in the products section of the site. Softrock lite ii if receiver ac74 divider problem qrz forums. There are different software available to use with the. Place part precisely with toothpicks, the flux will stick the part to pcb. Software defined radio kit tutorial build test softrock lite. Over on youtube user w2aew has uploaded a video showing the entire kitset build process for the softrock lite ii sdr radio.
These are the very popular circuits, designed by jack smith, k8zoa sk, that are crucial for adding a sdr receiver and panadapter display capabilities to a receiver or transceiver which lacks that feature. I of course want to use linux but as rocky seems to be the software. Ive modified flexradios powersdr software to work with the soft rock 40. I am not talking about power sdr operating with an sdr, flex 5000, or a similar software defined radio. I can leave the sdr plugged into the media server and antenna and go anywhere around the house with my laptop while listening to the sdr. The kit itself was a pretty fun build, but when i was done, i couldnt get it working with either of the laptops that i had at the time.
My first installation was on a windows xp system using the hdsdr software. Pa filter for hi all i have unmade and still in packing. I am only talking about powersdr operating in soft rock mode. Components are included for all five options and can be assembled at the builders choice. Using the flex powersdr software for the sdr along with the software by sv1eia for homemade rigs and by adjusting the sound card voltage, the rig puts out a solid 2 watts. Building the softrock sdr this is the first of two posts which take a look at the relatively simple and easy to construct softrock softwaredefined radio sdr that is designed for hf amateur radio use. Almost all of the software products are for risc os computers while some. We do not offer the case premilled, but we will make a drilling template available. It is a very effective demonstration of the capabilities of the software defined radio approach.
Preliminaries i spent some time surfing web sites and reading tutorials where i learned that 3d printing commonly starts with a solid model. Powersdr with pi sdr for softrock ensemble software setup software installation is performed with a provided unified installer containing both the powersdr v2. I downloaded the sdrradio software that i stumbled on during my sdr research and fired it up. He also goes over the circuit blocks explaining their function and how they work.
Softrock lite ii combined receiver kit starting at. So far i have used both rocky, and the m0kgk sdr decoder software. I have built a couple of softrock lite ii if frequency receivers, normally they would be used to view another receivers if on a bandscope, but popularly they are also used on low and medium frequencies as stand alone sdr receivers. The softrock 40 a direct conversion receiver for the 21st century. I built mine for 40m, 30m, and 20m but it works very well on both 80.
Mar 08, 2009 first signals heard through the softrock lite ii. A previous post explored the steps involved in building a simple softrock receiver for the 40m amateur radio band 77. This receiver has been built and tested by tony parks, kb9yig. R390a softrock sdr combination the r390a softrock setup has generated quite a bit of interest and a number of questions on the setup since first appearing on the amfone website.
Th lf one was intermittent, then failed with high current draw. This page is a collection of information that has appeared in various threads on amfone plus additional measurements ive made on the r390a alone and with the. Flux the pads, for a smt resistor, an ic, or even the tiny u2. First signals heard through the softrock lite ii brainwagon. The softrock lite ii is a now fairly old soundcard based software defined radio kitset that is capable of receiving on the hf bands. Because of the wide variety of soundcards, computers, operating systems and the way they are setup there can be no simple do it like this instructions. Rocky documentation in german, with translators comments, is available here tnx eike dm3ml. Jan 22, 2012 softrock lite ii combined sdr receiver 40m band kit. Welcome to the main soft rock software website, where you will find a variety of software mainly for computers running risc os, such as webchange, waituntil, quicksand, and more.
The combination of the relatively simple soft rock 40 hardware with the powersdr software results in a low cost receiver with some very nice features. Writelog simply needs to know that it doesnt have to control the sdr s frequency. We also talked about 3d printing, which is something that sounds really cool. I have been using my little softrock lite ii sdr receiver on 30 m now for a while together with the sdrwidget. It is the very unit that jan kuno wrote about in qst march 2011, page 60. Apr 03, 2011 i have been using my little softrock lite ii sdr receiver on 30 m now for a while together with the sdr widget. Nov 09, 2011 i just couldnt wait to get my first sdr. The softrock 40 a direct conversion receiver for the. When the powersdr application software works in conjunction with those radios, it implements the modified algroithm i described in my earlier post. Building the softrock ensemble ii software defined receiver. If softrock is not available, rocky can be used to play back iq data recordings. In the case of the softrock ii, its frequency is set by a crystal you install when you build it. Dec 28, 2012 this post takes a look at some of the software that can be used with the softrock sdr hardware that is designed for amateur radio use. Powersdr with pi sdr for softrockensemble software setup.
Dx engineering clifton laboratories z0 buffer amplifiers. Between tonys kit and wb5rvzs build notes it was a quick build even with the surface mount components. Jan 26, 2018 i have built a couple of softrock lite ii if frequency receivers, normally they would be used to view another receivers if on a bandscope, but popularly they are also used on low and medium frequencies as stand alone sdr receivers. Changing the audio cable connections to the softrock lite circuit board from tip to ring and ring to tip will correct the reversed spectrum so that the sdr software works the same for the higher band receivers as with the lower band receivers. Built kits are only available in limited quantities as tony has time to build them. Softrock lite ii combined sdr receiver 40m band kit. So this exercise is about designing an enclosure for the softrock lite ii sdr that can be printed on a 3d printer. Dx engineering clifton laboratories z0 buffer amplifiers may be the products most often requested by radio experimenters and electronics enthusiasts. Jun 29, 2010 i am only talking about powersdr operating in soft rock mode. Well, im not sure that the softrock i put together is working entirely well. There are a number of packages you can try, but start with. Two years ago, i built the tony parks softrock ensemble ii software defined radio.
The softrock lite ii, the sequel to the sr lite v6. I later progressed to use the sdrradio server software to allow users on the internet to access my tuner. As an example the softrock sdr splits the rf signal into two signals with 180 phase difference between them. Bobmeters is a cat software collection specifically designed for perseus and powersdr to add classic feel to these sdr radios. These pages document the construction of seven different types of software defined radio sdr and sdrrelated kits from tony parks softrock line. In addition, links to documentation of all of the earlier softrock kits can be found at cecils k5nwa website. Softrock, ensemble, rxtx,softrock,lite ii,sdr,softrock, 6m, 4m, 2m, rx, ensemble,softrock, ensemble,ensemble rx ii,sdr 20m, 30m, 40m, 80m, ensemble, rxtx, sdr. This receiver has a builtin local oscillator based on the silicon labs si570 the same chip used as the local oscillator in the elecraft kx3 and can be tuned anywhere from about 1. The particular softrock unit used in the tests on this page. These pages document the construction of seven different types of software defined radio sdr and sdr related kits from tony parks softrock line. Jan 09, 20 the softrock lite ii, the sequel to the sr lite v6. Softrock rx receiving equipment northern utah websdr. First put a tiny amount of solder on the iron tip, then touch one pad but dont touch the part itself. Sdrbridge provides advanced synchronization, integration, and control for software defined radios.
The two signals that come from the mixers are known as the iq signals, 90 apart. Soft rock software has a number of products available, most of which is software, but there is currently also one piece of hardware. May 20, 2014 the softrock lite ii is a now fairly old soundcard based software defined radio kitset that is capable of receiving on the hf bands. A single rf connection, single audio connection and relays are used to connect to the selected module. All smt components are mounted on the bottom of the board. Software defined radio, or sdr, is a relatively new trend in radio technology that utilizes software running on a computer to perform much of the processing of the radio signals. For the soft rock, i recommend the auto balance check box be on, unless you are trying to make repeatable measurements. Powersdr with pi sdr for softrockensemble software setup software installation is performed with a provided unified installer containing both the powersdr v2. The width, in hz, of the sdr display will match the rate, in hz that the sdr operates. Initial testing of a new softrock lite ii built for 40 meters. I did a bit of hacking, and took a recording i made and extracted this morse code recording, which ill archive here as the first. While helping ki6zhd build his softrock lite ii sdr from kb9yig, i ended up breaking the leads on my softrock and we both talked about needing an enclosure for the receiver. This is an excellent video if you are interested in. In very vague terms, a software defined radio mixes the incoming rf down to baseband phase and quadrature i and q signals, fed to a computer sound card and software does the rest of the demodulation.
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