Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+2\.25\s+to\s+1\s+toroid\s+winding\s+information\s+sources\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+2\.25\s+to\s+1\s+toroid\s+winding\s+information\s+sources\s*$/: 6 ]

Total 6 documents matching your query.

1. [Amps] 2.25 to 1 toroid winding information sources (score: 1): Author: nospam4me@juno.com (skipp isaham); Date: Sun, 21 Jul 2002 11:53:32 -0700; - Hello amps members, - Anyone have or know of a source of documentation which describes the winding of a 2.25 : 1 toroid ..? - The above ratio is used in some Alpha Amplifiers using the 8874 tubes (; /archives//html/Amps/2002-07/msg00384.html (7,727 bytes)
2. [Amps] 2.25 to 1 toroid winding information sources (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 21 Jul 2002 16:08:11 -0700; On Sun, 21 Jul 2002 11:53:32 -0700 skipp isaham <nospam4me@juno.com> writes: <snip> Hi Skipp, Take a look at chapter 7 of "Transmission Line Transformers" by Jerry Sevick, 2nd edition. ISBN 0-87259-2; /archives//html/Amps/2002-07/msg00387.html (7,515 bytes)
3. [Amps] 2.25 to 1 toroid winding information sources (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 21 Jul 2002 20:19:30 -0400; Impedance ratio, in a lossless transformer, is the square of the turns ratio. So you'd need a 1.5:1 turns ratio, which could only be accomplished with a 3:2 ratio or higher multiple since 1/2 turns; /archives//html/Amps/2002-07/msg00388.html (7,528 bytes)
4. [Amps] 2.25 to 1 toroid winding information sources (score: 1): Author: scook3@mindspring.com (Steve Cook); Date: Mon, 22 Jul 2002 19:35:02 -0700; Skip, Jerry Sevick's book: "Transmission Line Transformers," (2nd ed.) = describes a tapped trifilar transformer yielding an impedance = transformation ratio of 2.25:1 exhibiting low loss (on the ord; /archives//html/Amps/2002-07/msg00411.html (7,593 bytes)
5. [Amps] 2.25 to 1 toroid winding information sources (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 23 Jul 2002 06:06:30 -0400; How can you make a combination of transmission lines that are parallel at one end and in series at the other that come out to 2.25:1 ratio? Whatever transformer is used, it has to be an autotransfor; /archives//html/Amps/2002-07/msg00415.html (7,605 bytes)
6. [Amps] 2.25 to 1 toroid winding information sources (score: 1): Author: k7fm@teleport.com (COLIN LAMB); Date: Tue, 23 Jul 2002 5:36:17 -0700; If drive power is in reserve, one could use a higher ratio toroid transformer (such as 3:1) and make up the difference with a resistance in parallel with the cathode. Colin K7FM; /archives//html/Amps/2002-07/msg00419.html (7,127 bytes)

Current List: 1 - 6
Page: [1]