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No, but I have been cured of AIDS, just got a set
of spark plugs for my Diesel lorry and a couple of skyhooks to hold up my HF dipole! Theo |
No, but I have been cured of AIDS, just got a set
of spark plugs for my Diesel lorry and a couple of skyhooks to hold up my HF dipole! Theo |
On Fri, 08 Aug 2003 15:52:03 GMT, Spehro Pefhany
wrote: Does that mean that my smoking/exploding MOSFETs have narrowly survived their "both sides of the half-bridge on" event in some parallel universe? How about my dog who got runned over (sic) when I was 12? Is he happily chasing various critters somewhere? The world's brightest minds would have it so, strange as it seems. For a gentle introduction into the subject, check out 'The Universe Next Door' by Marcus Chown. -- "I believe history will be kind to me, since I intend to write it." - Winston Churchill |
On Fri, 08 Aug 2003 15:52:03 GMT, Spehro Pefhany
wrote: Does that mean that my smoking/exploding MOSFETs have narrowly survived their "both sides of the half-bridge on" event in some parallel universe? How about my dog who got runned over (sic) when I was 12? Is he happily chasing various critters somewhere? The world's brightest minds would have it so, strange as it seems. For a gentle introduction into the subject, check out 'The Universe Next Door' by Marcus Chown. -- "I believe history will be kind to me, since I intend to write it." - Winston Churchill |
On Fri, 08 Aug 2003 17:01:16 -0400, Alex wrote:
GFCI? Ground Fault Circuit Interruptor. It detects a sudden rise in current to ground and shuts the circuit off in a fraction of a second. Fuses protect the circuit, GFCI protects people. The present US Electrical Code requires them in areas where water is nearby, including bathrooms, kitchens, garages, and outdoors. You are encouraged to use them in other places where there is danger of zapping yourself. They are not a guarantee, but they boost the odds in your favor. Happy trails, Gary (net.yogi.bear) ------------------------------------------------ at the 51st percentile of ursine intelligence Gary D. Schwartz, Needham, MA, USA Please reply to: garyDOTschwartzATpoboxDOTcom |
On Fri, 08 Aug 2003 17:01:16 -0400, Alex wrote:
GFCI? Ground Fault Circuit Interruptor. It detects a sudden rise in current to ground and shuts the circuit off in a fraction of a second. Fuses protect the circuit, GFCI protects people. The present US Electrical Code requires them in areas where water is nearby, including bathrooms, kitchens, garages, and outdoors. You are encouraged to use them in other places where there is danger of zapping yourself. They are not a guarantee, but they boost the odds in your favor. Happy trails, Gary (net.yogi.bear) ------------------------------------------------ at the 51st percentile of ursine intelligence Gary D. Schwartz, Needham, MA, USA Please reply to: garyDOTschwartzATpoboxDOTcom |
Watson A.Name - 'Watt Sun' wrote in message ...
In article , richard.p.henry@saic mentioned... "Tom Sevart" wrote in message ... "WB3FUP (Mike Hall)" wrote in message ... 10KV to fire magnetron in counter battery radar. Took six marines to stop me from burying my screw driver in the chest of the asshole that thought it would be cute to push the radiate button. I remember hearing the story of an Air Force tech working on a 30' radar dish. For some dumb reason, someone energized it and promptly microwaved him to death. Some of these stories are hair rasing... and I'm too much of a weenie to stick my tongue on a 9V battery... A Raytheon corporate legend is that one of the engineers discovered the microwave oven principle when a radar melted a chocolate bar in his shirt pocket. When I was in the army at Ft. Monmouth, NJ, we trained on a radar trainer, had a klystron that put out 1W to the horn on the top of the unit. We could put our finger over the horn and feel it get mildly warm from the RF. Big deal. The Real Thing put our 5 megawatts! -- Sure, but the pulse width is only a microsecond, so the average power is only 5 watts at one pulse per second. I forget the rep rate of the one I woked on but at 6uS per mile and 400 miles round trip, the rep rate would be about 400 Hz. So it's 400 times 5, or 2KW. -Bill |
Watson A.Name - 'Watt Sun' wrote in message ...
In article , richard.p.henry@saic mentioned... "Tom Sevart" wrote in message ... "WB3FUP (Mike Hall)" wrote in message ... 10KV to fire magnetron in counter battery radar. Took six marines to stop me from burying my screw driver in the chest of the asshole that thought it would be cute to push the radiate button. I remember hearing the story of an Air Force tech working on a 30' radar dish. For some dumb reason, someone energized it and promptly microwaved him to death. Some of these stories are hair rasing... and I'm too much of a weenie to stick my tongue on a 9V battery... A Raytheon corporate legend is that one of the engineers discovered the microwave oven principle when a radar melted a chocolate bar in his shirt pocket. When I was in the army at Ft. Monmouth, NJ, we trained on a radar trainer, had a klystron that put out 1W to the horn on the top of the unit. We could put our finger over the horn and feel it get mildly warm from the RF. Big deal. The Real Thing put our 5 megawatts! -- Sure, but the pulse width is only a microsecond, so the average power is only 5 watts at one pulse per second. I forget the rep rate of the one I woked on but at 6uS per mile and 400 miles round trip, the rep rate would be about 400 Hz. So it's 400 times 5, or 2KW. -Bill |
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