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1. [Amps] Passive grid: How to calculate..... ? (score: 1): Author: ad5gb@myway.com (ad5gb); Date: Fri, 22 Nov 2002 10:52:35 -0500 (EST); Greetings, Stupid question of the month...... How do I calculate the driving VOLTAGE requirements of a tube or tubes in a passive grid configuration in the absense of a datasheet specifiying same? Ex; /archives//html/Amps/2002-11/msg00340.html (7,896 bytes)
2. [Amps] Passive grid: How to calculate..... ? (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 22 Nov 2002 07:56:44 -0800; [Steve Katz] Where'd the 100V come from? E = SQRT P*R. -WB2WIK/6; /archives//html/Amps/2002-11/msg00341.html (7,788 bytes)
3. [Amps] Passive grid: How to calculate..... ? (score: 1): Author: ad5gb@myway.com (ad5gb); Date: Fri, 22 Nov 2002 11:13:00 -0500 (EST); Maybe I have the math wrong.... E=sqrt(P*R) so P == 100 R == 50 then E = 70.7106 or approx 100V Peak Or am I wayyyyyyyyyyyyyy off? -- Microsoft is NOT the answer Microsoft is the question and the ans; /archives//html/Amps/2002-11/msg00342.html (8,731 bytes)
4. [Amps] Passive grid: How to calculate..... ? (score: 1): Author: garyschafer@attbi.com (Gary Schafer); Date: Fri, 22 Nov 2002 11:42:22 -0500; The math looks right to me. If your going to run the tubes in AB1 then whatever the bias voltage is set at is the maximum peak voltage that you need. Any more and you will drive the tubes into grid c; /archives//html/Amps/2002-11/msg00343.html (9,752 bytes)
5. [Amps] Passive grid: How to calculate..... ? (score: 1): Author: 2@vc.net (Rich); Date: Fri, 22 Nov 2002 09:03:42 -0800; Watts are normally rms. In grid apps, one must use peak watts, not rms. Thus, at 50-ohms, 100V-peak = 100w-rms = +/- 100v-peak To: <amps@contesting.com> - Rich..., 805.386.3734, www.vcnet.com/measure; /archives//html/Amps/2002-11/msg00345.html (9,591 bytes)
6. [Amps] Passive grid: How to calculate..... ? (score: 1): Author: ad5gb@myway.com (ad5gb); Date: Fri, 22 Nov 2002 12:15:54 -0500 (EST); Thanks guys! This was clearly too obvious. Now I feel really stupid!!! ( AD5GB dons the pointy hat..... steps away from the amplifier ) -- Microsoft is NOT the answer Microsoft is the question and th; /archives//html/Amps/2002-11/msg00346.html (11,234 bytes)

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