In Reply to: RE: Transformer Interaction - Fact or Fiction? posted by trobbins on April 6, 2021 at 15:50:39:
Atwood clarifies in notes dated 12-29-90Test Set-up:
The transformer under test is driven by a push-pull pair of Tung-Sol 6550s with a regulated plate voltage of 475V and a regulated screen voltage adjusted to give 75ma idle current in each tube. The 6550s are driven by a very wide bandwidth and low distortion driver stage. There is no feedback across either the 6550s or of the output transformer. Measurements are made into a 4, 8 or 16 ohm resistive load. the Z p-p and ultra linear ratio are calculated from voltage measurements made on the primary when the secondary is adjusted to a fixed voltage @ 1KHz corresponding to a 100 mw output.
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Follow Ups
- RE: Transformer Interaction - Fact or Fiction? - Steve O 17:11:50 04/06/21 (11)
- RE: Transformer Interaction - Fact or Fiction? - trobbins 18:17:04 04/06/21 (10)
- RE: Transformer Interaction - Fact or Fiction? - Steve O 19:28:14 04/06/21 (9)
- RE: Transformer Interaction - Fact or Fiction? - Triode_Kingdom 05:40:01 04/07/21 (8)
- RE: Transformer Interaction - Fact or Fiction? - Steve O 06:56:04 04/07/21 (7)
- RE: Transformer Interaction - Fact or Fiction? - PakProtector 17:59:39 04/07/21 (6)
- RE: Transformer Interaction - Fact or Fiction? - rage 06:31:56 04/13/21 (5)
- RE: Transformer Interaction - Fact or Fiction? - tube wrangler 19:37:28 04/20/21 (0)
- RE: Transformer Interaction - Fact or Fiction? - PakProtector 03:37:16 04/15/21 (3)
- RE: Transformer Interaction - Fact or Fiction? - rage 15:20:01 04/15/21 (2)
- RE: Transformer Interaction - Fact or Fiction? - sony6060 06:43:13 04/20/21 (1)
- RE: Transformer Interaction - Fact or Fiction? - PakProtector 17:09:07 04/21/21 (0)