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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Iron\s+dust\s+toroids\s+and\s+heating\/H\s+bridge\s*$/: 6 ]

Total 6 documents matching your query.

1. Re: LF: Iron dust toroids and heating/H bridge (score: 1)
Author: "Graham" <[email protected]>
Date: Fri, 26 May 2017 22:21:04 +0100
Stefan I now have the cct's tnx . The H bridge seems a interesting design, one point , the amp is on frequency , F in = F out ? in which case , solves the problems linked to data ... Composite driver
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-05/msg00229.html (13,028 bytes)

2. Re: LF: Iron dust toroids and heating/H bridge (score: 1)
Author: DK7FC <[email protected]>
Date: Mon, 29 May 2017 11:18:19 +0200
Hello G, Am 26.05.2017 23:21, schrieb Graham: The H bridge seems a interesting design, one point , the amp is on frequency , F in = F out ? Yes, there is no divider stage in this design. Composite dr
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-05/msg00259.html (11,669 bytes)

3. Re: LF: Iron dust toroids and heating/H bridge (score: 1)
Author: "Graham" <[email protected]>
Date: Mon, 29 May 2017 14:45:22 +0100
More of a power block, that would run on 136/477 with little modification, just one out put device and filter needed , low harmonic power levels probably help .. with a dedicated driver 'ic' , possib
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-05/msg00266.html (13,076 bytes)

4. Re: LF: Iron dust toroids and heating/H bridge (score: 1)
Author: DK7FC <[email protected]>
Date: Mon, 29 May 2017 15:53:36 +0200
80 watt, yes that's a good driver. Am 29.05.2017 15:45, schrieb Graham: More of a power block, that would run on 136/477 with little modification, just one out put device and filter needed , low harm
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-05/msg00267.html (11,467 bytes)

5. Re: LF: Iron dust toroids and heating/H bridge (score: 1)
Author: "Graham" <[email protected]>
Date: Tue, 30 May 2017 14:04:24 +0100
80w Exciter more like ) Ive found, what is a 500 watt , 500KHz power module , the design was to minimise transformer geometry, which uses discrete logic, to fabricate the H drive requirements , there
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-05/msg00281.html (13,184 bytes)

6. Re: LF: Iron dust toroids and heating/H bridge (score: 1)
Author: DK7FC <[email protected]>
Date: Tue, 30 May 2017 15:36:07 +0200
Am 30.05.2017 15:04, schrieb Graham: ...to question the choice of a half bridge , over that of the full version? A half bridge is easier to build because both sources of the FET are at GND level. So
/rsgb_lf_group-archives/html/rsgb_lf_group/2017-05/msg00282.html (14,218 bytes)


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