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Total 27 documents matching your query.

21. [AMPS] Amplifier Experiments! (score: 1): Author: w8ji.tom@MCIONE.com (Tom Rauch); Date: Tue, 26 May 1998 21:33:14 +0000; To: <amps@contesting.com> I don't know. Why does a tire suddenly go flat after 20,000 miles, a filament suddenly open after hundreds of hours, or a person suddenly die after fifty years of life? If y; /archives//html/Amps/1998-05/msg00582.html (10,332 bytes)
22. [AMPS] Amplifier Experiments! (score: 1): Author: jono@webspun.com (Jon Ogden); Date: Tue, 26 May 98 22:59:49 -0500; What do you call a proper fault protection resistor? I did have two 10 watt 10 Ohm wirewounds in series right after the HV DC bypass caps at the DC entrance point to the RF deck. They opened up duri; /archives//html/Amps/1998-05/msg00583.html (10,292 bytes)
23. [AMPS] Amplifier Experiments! (score: 1): Author: w8ji.tom@MCIONE.com (Tom Rauch); Date: Wed, 27 May 1998 06:40:50 +0000; To: <amps@contesting.com> Hi Jon, One designed to handle a fault without internal arcing or failure. RCD makes a pulse rated wire wound resistor, and Stackpole makes composition types. Besides dissip; /archives//html/Amps/1998-05/msg00586.html (10,914 bytes)
24. [AMPS] Amplifier Experiments! (score: 1): Author: jono@webspun.com (Jon Ogden); Date: Wed, 27 May 98 09:25:45 -0500; So do I feed a small signal into the resistor/diode pair? And how does measuring voltage drop across a resistance help me to calculate impedance? If I have a known resistance and a known voltage, I; /archives//html/Amps/1998-05/msg00587.html (9,583 bytes)
25. [AMPS] Amplifier Experiments! (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Wed, 27 May 1998 10:36:12 EDT; Pretty hard to do since the leads will make up a good part of the circuit. At much above HF that measurement method is highly suspect. 73 Carl KM1H ___________________________________________________; /archives//html/Amps/1998-05/msg00588.html (11,034 bytes)
26. [AMPS] Amplifier Experiments! (score: 1): Author: jono@webspun.com (Jon Ogden); Date: Wed, 27 May 98 11:36:57 -0500; Good point. Ur right. Maybe I'll just give them to a buddy of mine who's got access to a network analyzer. That would work a lot more accurately. 73, Jon KE9NA -- Jon Ogden jono@webspun.com www.qsl.; /archives//html/Amps/1998-05/msg00592.html (8,333 bytes)
27. [AMPS] Amplifier Experiments! (score: 1): Author: w8ji.tom@MCIONE.com (Tom Rauch); Date: Thu, 28 May 1998 09:17:03 +0000; To: <amps@contesting.com> Yes Ohms law. You won't know the phase angle, but you will know the quantity. If you know resistance, source voltage, and voltage across the resistance you can calculate cho; /archives//html/Amps/1998-05/msg00600.html (8,965 bytes)

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