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Optimal Loading of Audio Transformers for Crystal Set Use
http://makearadio.com/tech/audioload.htm
Optimal Loading of Audio Transformers forCrystal Set Use. Crystalreceivers have attracted fordecades the attention of radio enthusiasts, mainly because of its low partscount and capability for long-distance reception when connected to an …
Audio Transformers
https://www.jensen-transformers.com/wp-content/uploads/2014/09/Audio-Transformers-Chapter.pdf
When a 20 Ù load is connected to the secondary, a current of 1 amp flows making output power equal 20 watts. At the same time, a current of 2 amps is drawn by the primary, making input power equal 20 watts. Since the primary is now drawing 2 amps with 10 volts applied, its impedance appears to be 5 Ù.
Audio Transformer - Engineers Garage
https://www.engineersgarage.com/audio-transformer/
Audio output transformers are used when load impedances are low, as in line drivers, while audio input transformers are used when load impedances are high, as in line receivers. Output transformers have very low leakage inductance in order to maintain high-frequency bandwidth with capacitive loads.
Audio Transformers - Learn About Electronics
https://www.learnabout-electronics.org/ac_theory/transformers04.php
The apparent load on the amplifier has been increased in value by a factor of 100 times by the presence of the transformer. Notice the amount of the apparent increase; 100 times. As the turns ratio of the transformer is 10:1 the increase in apparent resistance (or impedance) is the square of the turns ratio.
Optimal Loading of Audio Transformers for Crystal Set Use
http://makearadio.com/tech/files/Optimal%20Loading%20of%20Audio%20Transformers%20for%20Crystal%20Set%20Use.doc
Optimal Loading of Audio Transformers for Crystal Set Use Crystal receivers have attracted for decades the attention of radio enthusiasts, mainly because of its low parts count and capability for long-distance reception when connected to an efficient antenna-ground system.
Audio Transformer, its Types and Impedance Ratio
https://circuitdigest.com/tutorial/audio-transformer
An Audio transformer with Step-up feature will step up the voltage or the current level to drive a load across it. Same happens for the Stepdown transformer too. It converts the voltage from higher to lower with the increased current output. The audio transformer also provides impedance matching specifications. When the output of one circuit or device is …
AUDIO TRANSFORMER DESIGN FOR TUBE AMPLIFIER WITH …
http://www.standardsuniversity.org/wp-content/uploads/audio_transformer_design_tube_amplifier_pichkalyov_final_paper.pdf
OUTPUT AUDIO TRANSFORMER DESIGN The output transformer in a single-ended tube amplifier is the device which matches the high-output impedance of the tube to the low input impedance of the speaker load (4, 8 or 16 Ohm). To design an output transformer, it is necessary to determine the output power according to the tubess characteristics,
Chapter 5: Understanding Impedance In Audio Transformers
http://www.lundahl.se/wp-content/uploads/datasheets/PSW_WhitePaper_Download_Chapter_5.pdf
ImpedanceIn Audio Transformers Introduction The term “impedance” is the backbone of all things audio, fundamental to understanding how an AC circuit be-haves in respect to its input source and output load. For those new to electrical theory, all audio signals are AC, or …
High quality audio transformers - AEE
https://www.aeetransformers.com/products/audio-transformer.html
The AEE audio transformers are of top quality and available in various versions. Output transformers and choke coils are available in EI core / C core or Amorphous core. However, the power supply is only available in EI core and C core material. You can choose between a transformer in an enclosure or an open version.
Resistive load on interstage audio transformers in tube ...
http://amfone.net/Amforum/index.php?topic=14010.5;wap2
The loading resistor does waste some audio power, but this is relatively insignificant, as the bulk of the audio power is consumed within the grids of the modulator tubes. With regard to small-signal transformers of the line-to-grid or microphone input variety, some of these transformers are specifically designed so that the secondary is to remain unloaded.
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