- 21. [AMPS] resistors (score: 1)
- Author: wb8jkr@juno.com (wb8jkr@juno.com)
- Date: Sat, 20 Feb 1999 07:06:25 EST
- Last time I did this I used a piece of an old fiberglass fishing rod (the large end) and ran it through the resistors leaving about 3/4" extending on each end and then clamped the ends onto standoffs
- /archives//html/Amps/1999-02/msg00524.html (9,465 bytes)
- 22. [AMPS] resistors (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Sat, 20 Feb 1999 05:43:15 -0800
- ? Good point. Through-bolt mtg. also blocks cooling air. 100k wirewound resistors are known to have a high failure rate. If I wanted a Reliable bleeder for a 4kV C-filter supply, I would series up 8
- /archives//html/Amps/1999-02/msg00526.html (8,930 bytes)
- 23. [AMPS] resistors (score: 1)
- Author: km1h@juno.com (km1h@juno.com)
- Date: Sat, 20 Feb 1999 15:17:16 -0500
- If you use the original style self centering end clamps and thru bolt you will have plenty of reserve voltage rating at 4KV so half that is very safe. Mount to a bakelite board or a ceramic stand-off
- /archives//html/Amps/1999-02/msg00536.html (9,514 bytes)
- 24. [AMPS] resistors (score: 1)
- Author: km1h@juno.com (km1h@juno.com)
- Date: Sat, 20 Feb 1999 18:57:20 -0500
- On Sat, 20 Feb 1999 05:43:15 -0800 Rich Measures <measures@vc.net> writes: Not if done by the mfgs book. 100k Details please. If I Absolute YUK ! 800K to 1M bleders..no way Jose. Get a freebie Mouser
- /archives//html/Amps/1999-02/msg00546.html (10,820 bytes)
- 25. [AMPS] resistors (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Sat, 20 Feb 1999 22:47:52 -0800
- ? Through-bolts require some sort of shouldered insulating washer at each end. this tends to block air from moving through the inside. ? Virtually all of the open failures I have seen or heard about
- /archives//html/Amps/1999-02/msg00558.html (9,813 bytes)
- 26. [AMPS] resistors (score: 1)
- Author: km1h@juno.com (km1h@juno.com)
- Date: Sun, 21 Feb 1999 09:53:58 -0500
- On Sat, 20 Feb 1999 22:47:52 -0800 Rich Measures <measures@vc.net> writes: Yes of course but if run at or below rated wattage it will survive. Which is why 100K is the suggested max in any literature
- /archives//html/Amps/1999-02/msg00563.html (11,833 bytes)
- 27. [AMPS] resistors (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Sun, 21 Feb 1999 08:22:49 -0800
- bleeders. ? References, please. . In a typical 8171 anode-supply, a 100k-ohm bleeder would dissipate 810 watts. piece of ? What mechanism recharges the capacitor? issues. ? The manufacturer's (Panaso
- /archives//html/Amps/1999-02/msg00568.html (9,555 bytes)
- 28. [AMPS] resistors (score: 1)
- Author: lmoline@olynet.com (Loren Moline WA7SKT)
- Date: Sun, 21 Feb 1999 09:02:33 -0800
- Rich, In my 2.5kv power supply I use a string of 4-47k and a couple of smaller meter scaling and hv interlock resistors in series. They are on perf board. The wattage is a lot smaller than 100. Advan
- /archives//html/Amps/1999-02/msg00570.html (8,778 bytes)
- 29. [AMPS] resistors (score: 1)
- Author: grimm@lynchburg.net (Kenneth D. Grimm, K4XL)
- Date: Sun, 21 Feb 1999 13:30:30 -0500
- The primary purpose of a bleeder in the power supply for my typical amateur amplifier is *not* for voltage regulation but to allow the voltage to bleed off of the filter capacitor. A good rule of thu
- /archives//html/Amps/1999-02/msg00575.html (11,105 bytes)
- 30. [AMPS] resistors (score: 1)
- Author: Jim" <jdc@ieway.com (Jim)
- Date: Sun, 21 Feb 1999 12:02:13 -0800
- Be sure you INSULATE the high voltage end of the resistor from ground. I mounted a bleeder resister with just the supplied metal mounting brackets. The high voltage end arced to ground and blew up al
- /archives//html/Amps/1999-02/msg00576.html (13,036 bytes)
- 31. [AMPS] resistors (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Sun, 21 Feb 1999 12:01:31 -0800
- -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.cont
- /archives//html/Amps/1999-02/msg00577.html (8,651 bytes)
- 32. [AMPS] resistors (score: 1)
- Author: km1h@juno.com (km1h@juno.com)
- Date: Sun, 21 Feb 1999 13:54:50 -0500
- On Sun, 21 Feb 1999 08:22:49 -0800 Rich Measures <measures@vc.net> writes: I suggest you read the original post which had nothing to do with your CB tube. Neither was a single 100K bleeder mentioned
- /archives//html/Amps/1999-02/msg00580.html (11,370 bytes)
- 33. [AMPS] resistors (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Sun, 21 Feb 1999 12:24:25 -0800
- -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.cont
- /archives//html/Amps/1999-02/msg00581.html (9,804 bytes)
- 34. [AMPS] resistors (score: 1)
- Author: km1h@juno.com (km1h@juno.com)
- Date: Sun, 21 Feb 1999 16:02:37 -0500
- Excellent suggestion Ken but I would consider that up to about a 2KV supply. A 200K total bleeder takes less time to discharge and there are those of us who are impatient! However, the only truly I s
- /archives//html/Amps/1999-02/msg00583.html (11,455 bytes)
- 35. [AMPS] resistors (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Sun, 21 Feb 1999 17:06:44 -0800
- ? You stated that 100K is the suggested max in any literature you have seen. What literature? ? Bzzzzzt. You said recharge. ? In the current catalog, the max. v rating of the 1w, 2w and 3w units are
- /archives//html/Amps/1999-02/msg00591.html (11,712 bytes)
- 36. [AMPS] resistors (score: 1)
- Author: amps@txrx.demon.co.uk (Steve Thompson)
- Date: Mon, 22 Feb 1999 07:58:35 +0000
- snip The mechanisms causing apparent recharge were discussed in good detail by Bob Pease of NatSemi in Electronics magazine (I think) a few months ago. I'll post a reference when I find it. Steve --
- /archives//html/Amps/1999-02/msg00600.html (9,382 bytes)
- 37. [AMPS] resistors (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Mon, 22 Feb 1999 01:05:56 -0800
- ? A DC filter capacitor with a 200-ohm / V bleeder resistor magically Recharges without the ps being on? Are we talking perpetual motion machine or taurine feculence? Rich... R. L. Measures, 805-386
- /archives//html/Amps/1999-02/msg00602.html (9,815 bytes)
- 38. [AMPS] resistors (score: 1)
- Author: Peter_Chadwick@mitel.com (Peter Chadwick)
- Date: Mon, 22 Feb 1999 10:23:46 -0000
- a I'm puzzled. 810 watts dissipation in 100K means 9kV across it. That seems a bit high for the 8171. If the 3w MOF resaistors are rated at 500volts, 10 of them give you 5kV, and that's a hell of a l
- /archives//html/Amps/1999-02/msg00605.html (9,415 bytes)
- 39. [AMPS] resistors (score: 1)
- Author: km1h@juno.com (km1h@juno.com)
- Date: Mon, 22 Feb 1999 07:47:18 -0500
- On Sun, 21 Feb 1999 17:06:44 -0800 Rich Measures <measures@vc.net> writes: Credible authors from days of old when amp articles were published. No time to argue, I'm outta here for a week. Keep the pi
- /archives//html/Amps/1999-02/msg00609.html (11,581 bytes)
- 40. [AMPS] resistors (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Mon, 22 Feb 1999 08:29:01 -0800
- ? The rating for A-zero emission is 7500VDC. I ran mine at 9100v-No load / c. 7800v under ssb modulation. I have heard that 10kV no-load is ok for ssb service. At the AM rating, the peak anode suppl
- /archives//html/Amps/1999-02/msg00613.html (9,755 bytes)
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