Hi Gerard its only the wrong dot on the end of the url, sorry "http://home.pages.at/chirt/HDR2005.htm."; without the dot that is an correct url and you can try it without 404 http://home.pages.at/chirt/HDR2005.htm Best reagrds Chris
--- In [email protected], F6EHJ <[EMAIL PROTECTED]> wrote: > > Hi Chris, > > Your URL sounds incorrect (404) > > Best regards > > Gérard/F6EHJ > > Chris Hirt a écrit : > > > Dear Mr. Tasic-Tasa > > > > I look at http://www.qsl.net/yu1lm/homebrew.htm. > > <http://www.qsl.net/yu1lm/homebrew.htm.> Great!! > > Thanks for puplishing Your fantastic job of Your SDR experiments with > > 4066 and 4053 switches (my own QSD experiments are at > > http://home.pages.at/chirt/HDR2005.htm. > > <http://home.pages.at/chirt/HDR2005.htm.>) > > > > Mostly of the homebrew SDR receivers have a bias voltage 1/2 of the > > Vcc. In Your ADTRX1 You also divide +5V / 2 = 2,5 V. Do You test other > > bias voltages or is this bias the best for the 74HC4053 ? My own > > experiments shows a great performance sensitivity dependent of this > > voltage. > > > > 73 > > Chris > > > > --- In [email protected] > > <mailto:soft_radio%40yahoogroups.com>, "Tasic Sinisa" <tasa@> wrote: > > > > > > Hello SDR OMs, > > > > > > I uploaded 4 new SDR designs. All 4 new designs are based on use > > 74HC4053 IC > > > as S/H (sample and hold ) element in demodulators , modulator and > > > transceiver. > > > > > > 1. SDR HF I/Q S/H (Sample and Hold) Receiver-DR3X from 30 kHz-35 MHz > > for 3 > > > bands harmonically related with 1(one) oscillator or 1 XTAL > > > > > > 2.SDR HF I/Q S/H (Sample and Hold) Receiver - DR2B from 30 kHz- 35 > > MHz > > > with external LO (local oscillator) > > > > > > 3.SDR HF I/Q S/H (Sample and Hold) Mono band Receiver - DR2C from 30 > > kHz- 50 > > > MHz with LO (local oscillator) at receiving frequency > > > > > > 4. Low power SDR HF I/Q S/H (Sample and Hold) transceiver- ADTRX1 > > from 30 > > > kHz-35 MHz with external LO- part1 > > > > > > VY 73/72 and GL in SDR homebrew Tasa YU1LM/QRP > > > > > > www.qsl.net/yu1lm > > > > > > > > > --------------------------------------------------------------------------------------- > > Orange vous informe que cet e-mail a été contrôlé par l'anti-virus mail. > > Aucun virus connu à ce jour par nos services n'a été détecté. > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/soft_radio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
