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Total 7 documents matching your query.

1. Re: LF: [ 500] EASY START - ceramic resonators et al (score: 1): Author: "Alan Melia" <[email protected]>; Date: Wed, 25 Apr 2007 15:29:35 +0100; Hi Dave, my experience of mixer-vcos with two crystals in a similar frequency range is that they at OK up to QRSS10. The are ok on QRSS30 and 60 provided you are not trying to fit into a 0.3Hz slot a; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-04/msg00044.html (20,140 bytes)
2. Re: LF: [ 500] EASY START - ceramic resonators et al (score: 1): Author: "Gary - G4WGT" <[email protected]>; Date: Wed, 25 Apr 2007 15:28:40 +0100; Hi Alan & All at LF, Alan wrote :- " Within a fortnight you will be wondering how you ever found time to go to work !! " I WILL SECOND THAT COMMENT !!!!!! 73 Gary - G4WGT - IO83qp; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-04/msg00045.html (10,165 bytes)
3. Re: LF: [ 500] EASY START - ceramic resonators et al (score: 1): Author: "Dave Brown" <[email protected]>; Date: Thu, 26 Apr 2007 01:42:11 +1200; So just how stable are the resulting outputs using these things? Anyone looked at that yet? Its a given that you will need very good to excellent frequency stability once things go beyond the aural C; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-04/msg00046.html (16,334 bytes)
4. Re: LF: [ 500] EASY START - ceramic resonators et al (score: 1): Author: "Alan Melia" <[email protected]>; Date: Wed, 25 Apr 2007 14:13:10 +0100; Whoa Alan, you may be joining the Worshipful Company of Professional Idlers, but dont get any of those ideas that you will have "plenty of time". Within a fortnight you will be wondering how you ever; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-04/msg00047.html (11,511 bytes)
5. Re: LF: [ 500] EASY START - ceramic resonators et al (score: 1): Author: [email protected]; Date: Wed, 25 Apr 2007 13:34:07 +0100; Dave, Thanks for saving me the effort of doing the testing on ceramic resonators! I see Rapid also stock these, and the 11.0592 xtals too. I've got my NoV application ready to post tonight and I reti; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-04/msg00048.html (15,004 bytes)
6. Re: LF: [ 500] EASY START - ceramic resonators et al (score: 1): Author: "Dave Sergeant" <[email protected]>; Date: Wed, 25 Apr 2007 08:04:50 +0100; Dave's tests make interesting reading, and it is because of this difficulty of pulling 500kHz crystals in VXOs that I did not even consider doing it this way. My twin VXO, as previously mentioned, us; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-04/msg00049.html (11,977 bytes)
7. LF: [ 500] EASY START - ceramic resonators et al (score: 1): Author: "Dave G3WCB" <[email protected]>; Date: Tue, 24 Apr 2007 22:44:08 +0100; Hi Alan, Alan and LF. I've done a few tests with trying to "pull" crystals and resonators up into the 501-504 kHz band. I used a single NPN transistor in a Colpits configuration with a 3 - 30pf trimm; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-04/msg00050.html (14,345 bytes)

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