In Reply to: The answer is............. posted by drlowmu on September 3, 2008 at 13:45:59:
Okay, let's reduce my straw-man Ia to 52 point zero mA. That reduces the dissipation to a hair under 15W.But, uh, my question was: 3.5K transformer primary, 3.5W P(out), minimum distortion, 15W dissipation. What Va, Vg, Ia?
Can I derive the solution using the curves and a pencil, or do I need to run a simulation? (Sorry if the question is ignorant.)
Edits: 09/03/08 09/03/08
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Follow Ups
- But, uh, that's the answer to a different question. - uW 14:19:46 09/03/08 (19)
- The problem - Russ57 14:46:59 09/03/08 (1)
- I didn't understand the fixed-bias considerations before. - uW 14:58:12 09/03/08 (0)
- RE: But, uh, that's the answer to a different question. - drlowmu 14:38:38 09/03/08 (16)
- RE: But, uh, that's the answer to a different question. - Ray Moth 18:30:04 09/03/08 (14)
- Ray, thats the fabulous JJ 2A3-40 - drlowmu 19:56:12 09/03/08 (12)
- RE: Ray, thats the fabulous JJ 2A3-40 - Ray Moth 00:13:31 09/04/08 (0)
- Jeff, if I was going to buy a 300B, this would be the tube I'd buy! - twystd 20:16:20 09/03/08 (7)
- The JJ 2A3-40, and 2A3s in general - drlowmu 20:40:42 09/03/08 (6)
- RE: The JJ 2A3-40, and 2A3s in general - twystd 21:55:02 09/03/08 (5)
- Quality DC......... versus AC - drlowmu 05:32:43 09/04/08 (4)
- It's not so much what you say, but how you qualify it. - twystd 14:28:09 09/04/08 (3)
- RE: It's not so much what you say, but how you qualify it. - drlowmu 15:27:54 09/04/08 (2)
- That's fine, Jeff, so long as you . . . - Ray Moth 01:58:21 09/05/08 (1)
- RE: That's fine, Jeff, so long as you . . . - drlowmu 06:56:27 09/05/08 (0)
- Slightly OT: Has Dennis ever tried the EML... - RC Daniel 20:12:38 09/03/08 (2)
- RE: Slightly OT: Has Dennis ever tried the EML... - tube wrangler 22:18:25 09/03/08 (1)
- RE: Slightly OT: Has Dennis ever tried the EML... - RC Daniel 18:44:15 09/04/08 (0)
- Those are cost-equivalent to 300B's, so I'm pondering. - uW 18:39:59 09/03/08 (0)
- Yes, I misunderstood your point. - uW 15:02:28 09/03/08 (0)