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AES E-Library » Transmission Line Audio Transformers
https://www.aes.org/e-lib/browse.cfm?elib=6538
The transmission line transformer technology now used at radio frequencies has been developed for high power audio applications with bandwidths from tens of hertz to several hundred kilohertz, and power levels of hundreds of watts with relatively Iow core distortion.
Audio Transformer, its Types and Impedance Ratio
https://circuitdigest.com/tutorial/audio-transformer
This type of audio transformers is called a transmission line matching audio transformer. They have multiple connections in both primary and secondary side. In general, primary side taps are used for suitable power level thus the amplification gain can be controlled by tap connections.
Audio Transformer - The Amazing World of Electronics
https://elamazing.com/2021/05/14/audio-transformer/
We have seen in this tutorial about audio transformers, that audio transformers are used to match impedances between different audio devices, for example, between an amplifier and speaker as a line driver, or between a microphone and amplifier for impedance matching. Unlike power transformers which operate at low frequencies such as 50 or 60Hz, …
Audio Transformers - Learn About Electronics
https://www.learnabout-electronics.org/ac_theory/transformers04.php
In the 100V line speaker system, a transformer steps up the audio output signal voltage to 100V so that the output current for a given power is low. The resistance on long cables between the amplifier and loudspeakers will attenuate this low current signal much less than if the current were left at its normally high level.
AES Convention Papers Forum » Transmission Line …
https://www.aes.org/forum/?ID=711
Transmission Line Audio Transformers (Subscribe to this discussion) Abstract not available. Author: Cohan, Graeme J. Affiliation: Cohan Research Pry Ltd., Athelstone SA AES Convention: 4r (July 1993) Paper Number: 3692 Publication Date: July 1, 1993. Click to ...
Transmission-Line Transformers
http://k5tra.net/tech%20library/RF%20transformers/Transmission-Line%20Transformers.pdf
TRANSMISSION-LINE TRANSFORMER SYMBOLIC PHYSICAL . K5TRA Click to edit Master title styleRuthroff Transformers T.Apel 6 R1 1:1 R2 • Transmission line ‘unit’ element • Physically short lines (length < l / 8) • Analysis based on currents • R 1 / R 2 = (I 2 / I 1)2 = 4
Transmission Line Transformer Basics - N5DUX
http://www.n5dux.com/ham/files/pdf/Transmission%20Line%20Transformer%20Basics.pdf
The transmission line transformer operates by trans-mitting energy via the transverse transmission line mode. It does not rely on the coupling of magnetic flux lines like a conventional transformer. Figure 1 shows the simplest illustration of this difference. In the trans-mission line transformer, the purpose of the windings is
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