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Total 3 documents matching your query.

1. RE: LF: Re: RE: MORE VALVES (score: 1): Author: "Ken" <[email protected]>; Date: Thu, 20 Dec 2012 10:56:14 +0100; Hi Graham. I have about 60uF smoothing, did the ripple calculation from an old ARRL Handbook. Ken From: owner- [email protected] [mailto: owner- [email protected] ] On Behalf Of; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-12/msg00464.html (22,752 bytes)
2. Re: LF: Re: RE: MORE VALVES (score: 1): Author: "Graham" <[email protected]>; Date: Wed, 19 Dec 2012 23:41:12 +0100; Talking of wobbles , no wobbly bob before operating as well !! It would be funny if the NOV stated 100 mW max erp or some other qrp level .... 650-0-650 400 mA , too small , core will saturate with F; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-12/msg00571.html (15,731 bytes)
3. LF: Re: RE: MORE VALVES (score: 1): Author: "mal hamilton" <[email protected]>; Date: Wed, 19 Dec 2012 23:26:36 +0100; Ken The valve and base in the picture is a 4CX1500B that was intended for 137 Khz not 500 Khz. At present both on 137 es 500 I am using solid state Transmitters, which are probably safer. I do have a; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-12/msg00613.html (13,769 bytes)

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