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1. [AMPS] Power Handling of Resistors (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Mon, 06 Mar 2000 23:37:21 -0600; Some of you questioned my technical sanity when I suggested dumping some VHF power into a 5 Watt resistor and seeing if it can handle the power. My original quote: Well, I decided to put my money whe; /archives//html/Amps/2000-03/msg00330.html (10,329 bytes)
2. [AMPS] Power Handling of Resistors (score: 1): Author: k1ta@contesting.com (Bob Marston); Date: Mon, 06 Mar 2000 21:56:23 -0800; Comparing the instanteous power handling capabilities of a resistor by using a cw dit to simulate a parasitic oscillation is specious at best! And cw dit however short it may seem to some still more; /archives//html/Amps/2000-03/msg00332.html (8,661 bytes)
3. [AMPS] Power Handling of Resistors (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Tue, 7 Mar 2000 09:21:12 -0000; Is it not the product of watts and seconds that blows the resistor? So the shorter the 'spike', the higher the power must be? On that basis, where does that much power come from? Comparison with ligh; /archives//html/Amps/2000-03/msg00346.html (9,343 bytes)
4. [AMPS] Power Handling of Resistors (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Tue, 07 Mar 2000 06:17:47 -0600; Of course it is specious! I'll admit that. But the fact is that parts just don't instantaneously blow up due to a transient event. That is my whole point. Rich's events are nearly step functions. Act; /archives//html/Amps/2000-03/msg00353.html (9,622 bytes)
5. [AMPS] Power Handling of Resistors (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 7 Mar 2000 09:29:25 +0000; More data: at DC I've overloaded 2W metal oxide film resistors 10x for a whole minute. They ran bright red-hot, with lots of smoke from the paint, but when they cooled down they were still within res; /archives//html/Amps/2000-03/msg00358.html (9,353 bytes)
6. [AMPS] Power Handling of Resistors (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 7 Mar 2000 09:08:19 -0500; Hi Jon, I used a five watt MOX resistor as a dummy load for a medical pulse generator test fixture, and the generator ran 1200 watts of pulse output with 65 uS pulses and a 0.1 percent duty cycle. Ev; /archives//html/Amps/2000-03/msg00368.html (9,171 bytes)
7. [AMPS] Power Handling of Resistors (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 7 Mar 2000 09:51:49 -0500; But first carbon resistors go through a low-resistance cycle. As a matter of fact, operating a carbon resistor at near rated dissipation for an extended period can result in a drastic reduction in r; /archives//html/Amps/2000-03/msg00374.html (9,007 bytes)
8. [AMPS] Power Handling of Resistors (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Tue, 7 Mar 2000 10:18:06 EST; VHF power into a 5 Watt resistor and seeing if it can handle the power. So what is your point Jon? And........ Ohms at Wow....this is rocket science or is this from the General class question pool? T; /archives//html/Amps/2000-03/msg00378.html (12,626 bytes)
9. [AMPS] Power Handling of Resistors (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Tue, 7 Mar 2000 16:00:38 -0000; application controlled by avalanch which other tank Dave, are you saying that the amount of energy involved in 160 watts for 500msec is not the same as 1600watts for 50msec or 16kW for 5msec? Or am I; /archives//html/Amps/2000-03/msg00381.html (9,680 bytes)
10. [AMPS] Power Handling of Resistors (score: 1): Author: 2@vc.net (measures); Date: Tue, 7 Mar 2000 09:08:19 -0700; at When a point is truly proven, silence is good form. . . Excellent point. One of the great entertainments on the AMPS group is specious poop. cheers -- FAQ on WWW: http://www.contesting.com/ampsfa; /archives//html/Amps/2000-03/msg00387.html (12,108 bytes)
11. [AMPS] Power Handling of Resistors (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Tue, 07 Mar 2000 11:29:32 -0600; Blah! Blah! Blah! OK, You are right. I am just an ingorant son of a bitch who doesn't know anything. Forigve me oh great one. I thought that a 160 Watt amp and a multi-kilowatt amp put out about the; /archives//html/Amps/2000-03/msg00390.html (10,976 bytes)
12. [AMPS] Power Handling of Resistors (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Tue, 07 Mar 2000 11:41:03 -0600; Dave also cannot read. I didn't just key 160 Watts for 500 msec. I keyed 160 Watts for 2 seconds. So following your train of thought Peter: 160 W for 2 sec 640 W for 500 msec 6.4 kW for 50 msec 64 kW; /archives//html/Amps/2000-03/msg00393.html (10,066 bytes)
13. [AMPS] Power Handling of Resistors (score: 1): Author: 2@vc.net (measures); Date: Tue, 7 Mar 2000 09:58:14 -0700; by When it had a VHF visitation, my old ''plywood box'' amplifier would Blow the parasitic suppressor resistors into something like cosmic dust. My guess is that the engine for this transaction was; /archives//html/Amps/2000-03/msg00395.html (11,231 bytes)
14. [AMPS] Power Handling of Resistors (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 7 Mar 2000 15:09:10 -0500; Personal attacks ignored, I have a few comments: It's all watt-seconds Dave, as long as two parameters aren't ignored. 1.) The applied power must be high enough to destroy the parts, and 160 watts co; /archives//html/Amps/2000-03/msg00398.html (14,299 bytes)
15. [AMPS] Power Handling of Resistors (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 7 Mar 2000 15:09:10 -0500; Personal attacks ignored, I have a few comments: It's all watt-seconds Dave, as long as two parameters aren't ignored. 1.) The applied power must be high enough to destroy the parts, and 160 watts co; /archives//html/Amps/2000-03/msg00400.html (14,328 bytes)
16. SV: [AMPS] Power Handling of Resistors (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Tue, 07 Mar 2000 22:09:15 +0000; No it is very tiring to try to follow this endless dicussion in US English. What on earth are some of you trying to prove? I have been sitting here for more than 1 hour trying to read to-days endless; /archives//html/Amps/2000-03/msg00403.html (11,589 bytes)
17. [AMPS] Power Handling of Resistors (score: 1): Author: w7iuv@nis4u.com (Larry Molitor); Date: Wed, 08 Mar 2000 00:09:10 +0000; Jon, I have to comment here. Try this experiment: 1) go down to the hardware store and buy a face shield, the kind sold for grinding and sawing operations. 2) obtain a 2 watt 10 ohm resistor (carbon; /archives//html/Amps/2000-03/msg00411.html (11,167 bytes)
18. SV: [AMPS] Power Handling of Resistors (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Tue, 07 Mar 2000 18:47:51 -0600; I don't know how to write more clearly. Sorry. I believe that parasitic resistors that are found to be bad are damaged by heating over long periods of time and not by parasitic oscillations as Rich s; /archives//html/Amps/2000-03/msg00415.html (11,065 bytes)
19. [AMPS] Power Handling of Resistors (score: 1): Author: 2@vc.net (measures); Date: Tue, 7 Mar 2000 17:45:35 -0700; ?________. - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contestin; /archives//html/Amps/2000-03/msg00418.html (9,574 bytes)
20. [AMPS] Power Handling of Resistors (score: 1): Author: conrad.farlow@virgin.net (Conrad Farlow); Date: Wed, 8 Mar 2000 02:58:04 -0000; just supplying dangling. in always). the effect. Now that was funny!! Cheers Larry! Conrad G0RUZ -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative; /archives//html/Amps/2000-03/msg00421.html (12,212 bytes)

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