Greg, See notes below.
73, Gerald Gerald Youngblood, K5SDR President and CEO FlexRadio Systems(TM) Email: [email protected] Web: www.flexradio.com <http://www.flex-radio.com/> Tune In Excitement (TM) PowerSDR(TM) is a trademark of FlexRadio Systems On Tue, May 29, 2012 at 8:57 PM, Greg Zenger [N2GZ] <[email protected]>wrote: > The typo being: 'Transverter IF Frequency Coverage' for the FLEX-6500 being > '0.5 MHz to 150 MHz'? > > The '.03 MHz to 77MHz' you reference is listed for the Receive section. > > What I am looking for is the spec for the FLEX-6500 'Transverter IF > Frequency Coverage'. (I want to know what frequencies I can generate > signals > at low power on the FLEX-6500.) > While we have not yet taken the time to verify VLF output, 0 dBm IF generation should be good down to at least 100 KHz and up to 150 MHz. The full frequency range performance is yet to be verified. Assume that the gap in frequency will be the same as that of the receiver. > > Also, on the FLEX-6700 does the Transverter IF Frequency range work between > 77 MHz and 135MHz? > There is a gap on the receiver between these frequencies. Those are the 3 dB filter cutoff frequencies of the respective antiailiasing filters. > > Again, to clarify, I am interested in the lower power Transverter Output > only, I understand the RX and High Power Output capabilities of these > radios. > > > Thanks all, > > Greg N2GZ/1 > > -----Original Message----- > From: Robert McGwier [mailto:[email protected]] > Sent: Tuesday, May 29, 2012 6:25 AM > To: Greg Zenger [N2GZ] > Cc: [email protected] > Subject: Re: [FlexEdge] Which one do I want? > > Greg: > > The brochure says for the 6500, transmit and receive up to 77 MHz. > 160m-6m is full power. The remaining transmit bands are 0 dBm typical. > It only mentions coverage of 135-165 MHz for the 6700 offerings. > > The brochure has been identified here as having a typo. The frequency > coverage should contain the following region 0.03 MHz (30 kHz) to 77 > MHz as the "HF" region. > > Bob > > On Mon, May 28, 2012 at 11:39 PM, Greg Zenger [N2GZ] > <[email protected]> wrote: > > Gerald, > > According to the datasheet, the Receiver of the FLEX-6500 is .3-77MHz > like > > you stated below, but for the Transmitter it is listed to be .5-150MHz. > Is > > this correct? Does this mean the FLEX-6500 can be used to Transmit on 2m > > (and 77MHz-150MHz) via the Transverter port? > > Greg, N2GZ/1 > > > > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]] On Behalf Of Gerald Youngblood > > Sent: Tuesday, May 22, 2012 9:43 AM > > To: Scott Myers > > Cc: [email protected] > > Subject: Re: [FlexEdge] Which one do I want? > > > > Scott, > > > > Let me make sure that everyone understands that the transverter (XVTR) > > connector covers 30 KHz to 77 MHz on all models. In addition it covers > 135 > > MHz to 165 MHz on the FLEX-6700 only. TX is 0 dBm nominal, +10 dBm > maximum > > on the XVTR port. RX noise figure on 2m is projected to be in the 4-5 dB > > range. > > > > Glad the others issues are becoming more clear. We know that we need to > > provide more white papers and FAQs to address a number of common > questions. > > We feel we are in the middle of a DX pile up and we are the DX. ;>) > > > > 73, > > Gerald > > > > Gerald Youngblood, K5SDR > > President and CEO > > FlexRadio Systems(TM) > > Email: [email protected] > > Web: www.flexradio.com <http://www.flex-radio.com/> > > > > Tune In Excitement (TM) > > PowerSDR(TM) is a trademark of FlexRadio Systems > > > > > > > > > > > > On Mon, May 21, 2012 at 4:19 PM, Scott Myers <[email protected]> > wrote: > > > >> Eric, > >> > >> > >> > >> Again, thanks for the information. Exciting on the low band stuff. > Even > >> 2200 M. Wow. I just need to figure out how to stretch out that mile of > >> wire around my property now. J > >> > >> > >> > >> Your write up still didn't clear it up for me on the diversity > > receive/beam > >> steering. However, I did talk with Gerald. After he explained it 3 > >> different ways, the light finally came on. It comes down to you need to > >> two > >> SCU's to get the physical phase delay which must be captured from our > >> analog > >> world. (That is the "additional information" to which you refer.) You > >> have > >> to have the separate SCU to get the additional information into the > system > >> on the second antenna. Slice receivers won't do it, as you are only > >> getting > >> the same info or other bands on the slices. Hence the need for the > 6700. > >> I > >> get it! I'm slow on the uptake. But I'm not afraid of asking stupid > >> questions until I do get it. > >> > >> > >> > >> Bummer on the misinformation on 2M. sigh > >> > >> > >> > >> 73, > >> > >> Scott AC8DE > >> > >> > >> > >> From: Eric Wachsmann [mailto:[email protected]] > >> Sent: Monday, May 21, 2012 5:07 PM > >> To: Scott Myers > >> Cc: [email protected] > >> Subject: Re: [FlexEdge] Which one do I want? > >> > >> > >> > >> We understand the need for clear information and are working towards a > >> dynamic FAQ that we can publish and expand on the website. Please bear > >> with > >> us as we are still recovering from the Dayton trip. In the interest of > >> some > >> clear answers, see my comments below. > >> > >> > >> Eric Wachsmann > >> FlexRadio Systems > >> Tune in ExcitementT > >> > >> On Mon, May 21, 2012 at 3:05 PM, Scott Myers <[email protected]> > wrote: > >> > >> snip > >> > >> > >> > >> 1 - 2 Meters > >> I thought both the 6500 & 6700 had 2 meter. At least this is the info I > >> was > >> given at the show, before I pulled the trigger. Another post said the > > 6500 > >> didn't have 2 meters. > >> > >> > >> [Eric] Only the 6700 will support 2m without external transverters. The > >> output is 0dBm nominal. The brochure is somewhat confusing on this and > >> we'll clarify this on the spec table. > >> > >> > >> > >> 2 - Diversity receive and beam steering > >> I'm really trying to get my head around why only the 6700 will do this. > I > >> assumed the 6500 would do this. (Pardon my thickness on this.) Since > the > >> 6500 has a "Receive A" and standard antenna connector, why won't it do > it? > >> I read a previous post on this subject, but it read like Greek to me. > >> > >> > >> [Eric] While you can have up to 4 or 8 slice receivers depending on the > >> model (6500 = 4, 6700 = 8), there is another important distinction. The > >> 6700 includes a complete second RF front end. This includes the > >> preamplifiers, filters, and the wideband ADC. We call this a Spectral > >> Capture Unit or just SCU for short. While you could put multiple slice > >> receivers from the same SCU on the same frequency and do "diversity" on > > it, > >> it would serve no benefit as the digital data used would contain no > >> additional information. In order to do diversity like we do with the > >> FLEX-5000, you need a separate front end to provide an input from a > >> separate > >> antenna. > >> > >> > >> > >> 3 - Satellite operation > >> Is the 6500 going to be sufficient for Satellite operation? > >> > >> > >> [Eric] With the appropriate external hardware to run 70cm and any > > necessary > >> amplification of the nominal 0dBm output on 2m, the answer is yes. > >> > >> > >> 4 - 600 Meter operation > >> I know this is somewhat of an unknown thing yet. But being a SDR, will > > the > >> 6000 series (or any Flex) be able to handle RX and TX on the newly to be > >> assigned 600 meter band? > >> > >> > >> [Eric] Yes! This, 2200m, and 4m are all covered on both receive and > >> transmit (again low power, nominal 0dBm output). > >> > >> > >> > >> _______________________________________________ > >> Flexedge mailing list > >> [email protected] > >> http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > >> This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is > >> used for posting topics related to SDR software development and > >> experimentalist who are using beta versions of the software. > >> > > _______________________________________________ > > Flexedge mailing list > > [email protected] > > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is > used > > for posting topics related to SDR software development and > experimentalist > > who are using beta versions of the software. > > > > > > _______________________________________________ > > Flexedge mailing list > > [email protected] > > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is > used for posting topics related to SDR software development and > experimentalist who are using beta versions of the software. > > > > -- > Bob McGwier > Facebook: N4HYBob > ARS: N4HY > > > _______________________________________________ > Flexedge mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is > used for posting topics related to SDR software development and > experimentalist who are using beta versions of the software. > _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software.
