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References: [ 6 ]

Total 6 documents matching your query.

1. [Amps] Sb200 plate impedance (score: 1)
Author: Ian Swain <>
Date: Mon, 17 Feb 2014 09:14:56 +1300
Crazy simple question I know for most people on this mailing list. What's the plate impedance on the sb200 ? Regards ian de zl2ias _______________________________________________ Amps mailing list Am
/archives//html/Amps/2014-02/msg00151.html (6,764 bytes)

2. [Amps] Ldmos heat spreaders (score: 1)
Author: Ian Swain <>
Date: Sat, 13 Aug 2016 07:52:59 +1200
Hi guys I'm building my first ldmos amp with a blf188xr and can't find a nice think slab of copper for a heat spreader I've only found up to 6mm think would this be okay ? Or could I get away with 2
/archives//html/Amps/2016-08/msg00010.html (6,770 bytes)

3. [Amps] sb200 grid meter of scale (score: 1)
Author: New User <>
Date: Thu, 22 Sep 2016 09:06:46 +1200
Hi I have an SB200 that when the meter switch is set to grid fires the needle hard off the scale any ideas on where i should start looking for the problem ? output is still fine other wise the amp se
/archives//html/Amps/2016-09/msg00104.html (6,894 bytes)

4. [Amps] Blf188xr bias (score: 1)
Date: Thu, 1 Dec 2016 07:43:59 +1300
Hi guys how much bias current do I need on my blf188xr amp ? From what I have seen it's around 1 amp ? Sounds to much ? Or is it ? Regards Ian de zl2ias Sent from my iPhone __________________________
/archives//html/Amps/2016-11/msg00191.html (6,304 bytes)

5. [Amps] Heathkit sb200 fan (score: 1)
Author: Ian Swain <>
Date: Sun, 21 Oct 2018 09:24:08 +1300
Hi people has anyone found a good replacement fan motor for a sb200 outside the Harbach fan ? Or is it possible to rebuild the bearings as suck in the stock fan ? Im over the noise of mine ! Regards
/archives//html/Amps/2018-10/msg00085.html (6,539 bytes)

6. [Amps] Heat sb200 tank coil (score: 1)
Author: Ian Swain <>
Date: Sat, 22 Jun 2019 11:26:22 +1200
Anyone got one laying around surplus to these needs ? Regards Ian de ZL2IAS _______________________________________________ Amps mailing list
/archives//html/Amps/2019-06/msg00056.html (6,683 bytes)

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