The SB-610 was basically a transmit monitor scope but could also be used to monitor receiver IF's up to 6KC (at least according to the manual) but I have never used one that way. In any case the IF on the K3 is to high.
Bob W6VY ----- Original Message ----- From: <[email protected]> To: "Dave G4AON" <[email protected]> Cc: <[email protected]> Sent: Wednesday, April 29, 2009 10:07 AM Subject: Re: [Elecraft] K3 and Heathkit SB-610 monitor scope > > The SB610 is a transmit monitor scope. It is not a bandscope. The > model > SB620 was a bandscope. > > The SB610 is still very useful for monitoring your transmit signal > through > an amplifier for proper modulation and trapezoidal waveforms etc. > Good > luck finding parts. > > 73, > > Bob W5OV > ex- "One of the Hams at Heath" > > > >> James I am not sure you will get value for money from an SB-610, >> they >> date from the days when a decent oscilloscope was big and >> expensive. >> These days 'scopes with the capabilities to monitor your peaks are >> general purpose test items and don't cost much. The K3 also has a >> two >> tone test oscillator built in. The IF output of the K3 is quite low >> level and is centred on 8.215 MHz, not the final IF of 15 KHz. >> >> For my money, I would look for a general purpose oscilloscope for >> the >> shack and an SDR receiver ranging from the low cost Softrock IF, to >> LP-PAN or the more expensive general coverage ones. These will give >> you >> a panoramic view of the band and be far more useful than an SB-610, >> even >> if it could be converted to work at the K3 IF output. >> >> 73 Dave, G4AON >> K3/100 #80, Perseus SDR >> http://www.astromag.co.uk/k3/ >> ---------------------------------- >> I'm not very familiar with using monitor scopes, so please bear >> with me. >> I'm interested in picking up a used Heathkit SB-610 in order to >> monitor my >> sideband wave forms. From what I understand, all I'd need to do is >> connect >> the antenna out of the K3 to the SB-610, and the antenna input to >> the >> SB-610. >> >> Can anyone with experience with this scope know if it will work >> well with >> the K3? I think this SB-610 has a 455KHz coil installed as well. I >> do >> believe they can be switched out for a 4-6KHz coil for monitoring a >> receiver's final IF. I don't recall what the final IF of the K3 is >> operating at. >> >> 73 de James K3JPS >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.287 / Virus Database: 270.12.8/2086 - Release Date: 04/29/09 06:37:00 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
