- 21. Re: [Amps] Stability of amps (score: 1)
- Author: john.brewer@us.schneider-electric.com
- Date: Tue, 25 Sep 2007 12:53:21 -0400
- years ago, I remember that Tektronix often designed their scopes to use tubes from certain manufacturers, and found that other brands were not suitable. In order to meet their specifications, they i
- /archives//html/Amps/2007-09/msg00286.html (9,262 bytes)
- 22. Re: [Amps] Stability of amps (score: 1)
- Author: Gudguyham@aol.com
- Date: Tue, 25 Sep 2007 16:19:43 EDT
- philosophy of design. Many years ago, I remember that Tektronix often designed their scopes to use tubes from certain manufacturers, and found that other brands were not suitable. In order to meet th
- /archives//html/Amps/2007-09/msg00295.html (8,675 bytes)
- 23. Re: [Amps] stability of amps (score: 1)
- Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
- Date: Wed, 26 Sep 2007 08:02:53 +0200 (CEST)
- My comments on the big amplifier and harmonics stem from the fact that you can calculate how far down harmonics are likely to be, and a straight pi network and class AB1 or AB2 are most unlikely to m
- /archives//html/Amps/2007-09/msg00316.html (8,261 bytes)
- 24. Re: [Amps] stability of amps (score: 1)
- Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
- Date: Thu, 27 Sep 2007 21:23:56 +0200 (CEST)
- Its just passive grid, < Passive grid relies on the fact that the external impedance from grid to ground is less (more?) than any negative real input impedance produced by feedback. I'll not go into
- /archives//html/Amps/2007-09/msg00422.html (8,711 bytes)
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