Nevermind... I'll have to re-wind the IF coil on the SB-620 in order to match the IF on the K3. It may just be easier to find a used LP-PAN instead.
-James K3JPS KC2UEE wrote: > > Hi Bob, > > I've found a nice SB-620. Do you know if it will work with the K3 and > it's IF out as a spectrum analyzer? > > 73 de James K3JPS > > > Robert Naumann wrote: >> >> >> 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 >> >> > > -- View this message in context: http://n2.nabble.com/K3-and-Heathkit-SB-610-monitor-scope-tp2741622p2751525.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ 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

