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Rocky 1.03 has been uploaded to http://www.dxatlas.com/rocky/rockysetup.zip This version is supposed to fix a number of problems (none of which I could reproduce on my system) - in particular, the inability of Rocky to open some sound cards, and occasional floating point errors. V.1.03 has an input level meter which should be useful for troubleshooting hardware problems. The function of the meter is controlled by the the InputMeter setting in the INI file. InputMeter = 0 - Off InputMeter = 1 - the peak level of the input signal, separately for each channel. InputMeter = 2 - noise floor. To change the mode, open Rocky.ini in a text editor and change the setting, then start Rocky. The values are shown on the status bard in dBFS units - that is, in dB in respect to the full scale of the A/D converter. Use mode 1 to make sure that you are not overloading the sound card. The values close to 0 dBFS indicate a problem. In Mode 2, the power of the wideband noise (the flat portion of the spectrum) is displayed. The meter in this mode is insensitive to narrowband signals, not even to the garbage in the center of the spectrum. 73 Alex VE3NEA

Yesterday morning, using the 25 Hz filter in my FT-847, I set a crystal zerobeat on 7042. A Rock-Mite oscillator is the signal source (no antenna). I did this after everything had been on for about 30 minutes. The Rocky frequency was adjusted for the difference reading and turned out to be 7054970. (I have 39pF caps at C6 and C7 for 30 meter operation.) Last night before W1AW came on the air I set the pointer right on 70475 (zoom level 6). The signal showed up right on the money -- another check that calibration was probably within a few Hz. Also the filter was set at about 250 Hz and W1AW was quite strong and readable right in the middle of an SSB signal. Neat stuff. Chuck Carpenter, W5USJ, Point, TX -|- Rains Co. -|- EM22cv -|- 72 es 73 50 years -|- 19 - K2OFN and 31 - W5USJ -|- Most fun = QRP since 1984. www.w5usj.com hosted by Hamnutz.com -|- NeTxQRP www.netxqrp.com

The PowerSDR program also has a great feature to check the output phase relationship from the SR-40. It's "PHASE" under the MODE menu. No circle, no 90 degrees. 73 Kees K5BCQ

Posted a picture of the noise around the center frequency as displayed by Rocky. This picture is with the antenna disconnected and makes the noise look more intense. It seems to be a ground problem along with some microphonics in the stereo input. If I tap the plug, there is considerable increase in the baseline noise. Doesn't seem to bother the rest of the display so I'm not going to mess with it -- just now anyway. Having too much fun with this thing just watching the many strange happings across the band -- like random(?) blips, bleeps, sweeps and whatnot. Chuck Carpenter, W5USJ, Point, TX -|- Rains Co. -|- EM22cv -|- 72 es 73 50 years -|- 19 - K2OFN and 31 - W5USJ -|- Most fun = QRP since 1984. www.w5usj.com hosted by Hamnutz.com -|- NeTxQRP www.netxqrp.com

Got an XG-1 signal gen kit from Elecraft yesterday. Built it this morning and had to try it out. Two pictures are posted showing the results. The signals are displayed with Rocky at a 6 zoom level. The signal level accuracy is better than +/- 2dB according to Elecraft specs. Chuck Carpenter, W5USJ, Point, TX -|- Rains Co. -|- EM22cv -|- 72 es 73 50 years -|- 19 - K2OFN and 31 - W5USJ -|- Most fun = QRP since 1984. www.w5usj.com hosted by Hamnutz.com -|- NeTxQRP www.netxqrp.com

Rocky 1.04 has been released. This update addresses signal distortion in Creative Labs Soundblaster 24 Bit External. Please send bug reports to my direct email, do not overload this group. 73 Alex VE3NEA

AD8333 - LF - 10 MHz Dual I/Q Demodulator and Phase Shifter Data sheet available on Analog Devices web site. This might be the basis of a future design. (?) Stan AK0B

I know this is OT (slightly)...sorry. I have been looking at L/C combinations to allow LF to HF operation of the softrock. I'd like to have my softrock tune from 100 Khz to 15 Mhz. Making a wideband tuned circuit is a tall order though, requiring switches to achieve the wide tuning range (stepped inductors). I'd like avoid the switches if possible. In the old days, we could find permeability tuned variable inductors that had very wide ranges. But, today, no one seems to have hear of them. Does anyone know of a source for permeability tuned inductors?? Hopefully small and reasonably compact. Any other suggestions regarding wide tuning ranges? Thanks, Art

Cont......... The next step would be standalone DSP+ with a 2x16 backlit display and tuner knob with shaft encoder. The one following that has a simple (and separate ...don't require a computer to process outgoing CW) CW Tx with appropriate keyer, etc 73 Kees K5BCQ ----- Forwarded Message ----- From: windy10605@... To: softrock40@... Date: Wed, 19 Oct 2005 10:37:23 -0500 Subject: Re: [softrock40] v5.0 SoftRock design Message-ID: <20051019.103724.2088.11.windy10605@...> Design list......... What I would like to see is a SR-40 with Rocky software (could be Power SDR at the expense of CPU cycles) and the following changes. Add an AD9850 DDS with parallel port loading via the Rocky code to set the DDS when the frequency is selected. The method of I/Q generation TBD. It could be the dual LT1719s withn a phase shift network (seems "stability" difficult to me) or the original FFs (seems easier but upper frequency limited due to 4x). A tuneable BPF frontend, either several manually selectable BPFs (the present BPF is good for 7-11Mhz, make one for 3-5Mhz, and 13-19Mhz) or make it manually tuneable like the preselectors in many of the older radios. 73 Kees K5BCQ

I see three basic areas......... 1) The standalone SR-40 based unit without a "large external computer". Similar to the "futures...." project which George mentions (and what "made" me subscribe to the Homebrewer CD ;o). I think there are several groups working on various implementations of something like this, including our local AQRP group. Those 2x16 backlit displays look great. 2) Using less CPU intensive SW for DSP/Tuning like "Rocky" on an average laptop. Since you have the screen/keyboard, use it to load DDS frequencies and loading them in 48Khz increments is fine. May even incorporate keyboard data entry for CW and (slap me upside the head) CW decoding for those of us more "CW challenged". CW Tx would be straightforward and not use the computer other than to set the DDS frequency (offset or not) and keying functions. 3) Using the larger, more powerful desktop computers with Rocky or PowerSDR. basically what we are doing today, but expand the SR-40 to include a loadable DDS (48Khz band segment) and a manually tuned BPF into the SR-40. 73 Kees K5BCQ --------- Forwarded message ---------- From: George Heron N2APB <n2apb-2@...> To: softrock40@..., windy10605@... Date: Wed, 19 Oct 2005 12:11:44 -0400 Subject: Re: Fw: Re: [softrock40] v5.0 SoftRock design Message-ID: <20051019161806.452FC1F2773@...> That's certainly the idea. See http://www.amqrp.org/kits/softrock40/futures.html which is also elaborated on in a current Homebrewer Mag article. The prototype is now much further along than either of these descriptions indicate. 73, George N2APB On Wed Oct 19 10:52 , windy10605@... sent: >Cont......... > >The next step would be standalone DSP+ with a 2x16 backlit display and >tuner knob with shaft encoder. The one following that has a simple (and separate >...don't require a computer to process outgoing CW) CW Tx with appropriate >keyer, etc > >73 Kees K5BCQ > >----- Forwarded Message ----- >From: windy10605@... >To: softrock40@... >Date: Wed, 19 Oct 2005 10:37:23 -0500 >Subject: Re: [softrock40] v5.0 SoftRock design >Message-ID: <20051019.103724.2088.11.windy10605@...> > Design list......... > >What I would like to see is a >SR-40 with Rocky software (could be Power >SDR at the expense of CPU cycles) >and the following changes. Add an >AD9850 DDS with parallel port loading via >the Rocky code to set the DDS >when the frequency is selected. The method of >I/Q generation TBD. It >could be the dual LT1719s withn a phase shift network >(seems "stability" >difficult to me) or the original FFs (seems easier but >upper frequency >limited due to 4x). A tuneable BPF frontend, either several >manually >selectable BPFs (the present BPF is good for 7-11Mhz, make one >for >3-5Mhz, and 13-19Mhz) or make it manually tuneable like the >preselectors >in many of the older radios. > >73 Kees K5BCQ > > > > > > > > > > > YAHOO! GROUPS LINKS > > > > > Visit your group "softrock40" on the web. > > To unsubscribe from this group, send an email to: > softrock40-unsubscribe@... > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > > > > > > > > > > >

Hi all I am new to the group. I have finished my SoftRock40 today and everything seemed to work fine. But then, after calibrating with an external signal, the noise foor went up to -85dBm and stays there. So only few strong singnals can be received at the antenna. Any suggestions? 73 Chris HB9AJP

Good Evening All, I have modified the v5.0 schematic and posted it for comment. It looks like each board of the v5.0 two board stack will be 1.1 inches by 1.6 inches. Layout is coming along pretty well and I should be able to post the board artwork by this weekend. 73, Tony KB9YIG

Good Morning All, There have been a number of good comments concerning the v5.0 schematic. Those comments along with my own concerns about certain things in the posted schematic have motivated me to make the following changes: 1) The present use of two of the switches in the FST3126 (U4) for a receiver mute function will change to use those two switches in parallel with the the two QSD switches to lower the signal path switch resistance. The receiver mute function will need to be done in the software. (Not a good reason, but I need to stay with the FST3126 part because I have over 1000 pieces left from a minimum order buy for v4.0 kits. Anyone need any FST3126 parts? :-) ) 2) The BPF ground will connect to the antenna ground only but two vias will be provided to jumper the antenna ground to the circuit ground. 3) L21 and L22 as well as T21 will be wound on toroid cores so a kit builder may more easily adjust the BPF design and transformer turns ratio. ( I am thinking about providing a set of cores in the kit to span the HF amateur bands.) The board layout is coming along pretty well and I will be making the above changes in the next few days. I will post a new schematic this evening, but will continue to be open to additional suggestions. Thanks and 73, Tony KB9YIG

Rocky 1.05 is now available. I significantly re-worked the WDM part of the program. The new version may solve the remaining problems, or it may not work for you at all - make a backup copy of your old version before installing 1.05. 73 Alex VE3NEA

How do I get to the files area? I've never been able to get to any files area on Yahoo more than once, and I have no idea why. I've written to yahoo 3 times in the last year and have received no reply from them. I belong to the LTSpice group and this group, which is very important to me. But the files area remains closed to me and unavailable. If I sign up for a new yahoo account and jump through the hoops, I get access to one groups files area, but only once. Within 24 hours, it prompts me for the password (again) and then tells me it isn't valid (again), and I have to go through the process of registering (again) under a different name.......and the loop repeats, over and over. I've even tried getting a throw away email account just to subscribe to yahoo email groups, but somehow yahoo knows I receive email from multiple groups on different email accounts, and all access is gone (again) within 24 hours. I'd really like to have access to the files area, but it doesn't work (for me). If someone would send me a copy of the new softrock schematic, I'd appreciate it. Forgive me if access to the files area is off-topic.....but I keep seeing people post to the files area and I'd like to see the files! Thanks, Art At 09:20 PM 10/19/2005, you wrote: Good Evening All, I have modified the v5.0 schematic and posted it for comment. It looks like each board of the v5.0 two board stack will be 1.1 inches by 1.6 inches. Layout is coming along pretty well and I should be able to post the board artwork by this weekend. 73, Tony KB9YIG

Hi all, I just posted a new version of the SharpDSP Mini Console for the SoftRock 40 to my website at: http://www.philcovington.com/SDR.html Please see my Blog entry for 10-19-2005 for details about this release: http://pcovington.blogspot.com The default meter face supplied is not calibrated, it is included for demonstration. 73 de Phil N8VB

Rocky 1.06 addresses the distorted sound and no IQ balance problem with some sound cards. It should also work with Windows ME. 73 Alex VE3NEA

Good Evening All, I have posted in the Files area a schematic of the V5.0 SoftRock. I am working on the board layout but am quite willing to make changes that would make the v5.0 more useful to the group. Your comments would be appreciated. Thanks and 73, Tony KB9YIG

As a reminder, I still have plenty of the 40.500Mhz fundamental-mode crystals needed to put the Version 4.0 or earlier SoftRock on 30M. These crystals yield a center frequency of about 10.125 Mhz. This allows nearly full-band coverage of 30M with the SoftRock. You will need to change C6 and C7 in the oscillator from 100pF to about 33Pf. Details are in the N1RX folder of the Photos section of this group. The price for US delivery is $2.00 each. For foreign addresses (including Canada) the price is $2.50 for one, $2.00 each for two and up. You may send payment via PayPal to bruce.beford@... I will fill orders on a first-come, first served basis. Any questions? Email me direct, and I'll answer as best I can. 73, Bruce N1RX

In the area I live right now, I have high voltage lines (500KV) on three sides about a 1/8 to 1/4 mile away. The weird thing is I get practically no signals on 40 meters, and when I do they are very weak. I have several receivers to listen with a SR-40, TS-940, TS-930, TS-830, FT-817, and a TenTec Corsair, it's the same with all the radios. 80M, 20M is teaming with signals and low noise. I have used a Delta Loop, and a Random wire antenna, with no difference other than noise. Has anyone encountered anything so weird? For a while I thought my SR-40 was not working, until I tried to transmit 2 watts into a dummy load, which I could pick up on the SR-40. Cecil Bayona KD5NWA www.qrpradio.com I fail to see why doing the same thing over and over and getting the same results every time is insanity: I've almost proved it isn't; only a few more tests now and I'm sure results will differ this time ...