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New Electronic Stepped Attenuator For Audio Volume Control
https://tortugaaudio.com/electronic-stepped-attenuator-audio-volume-control/
The image below shows a typical mechanical stepped attenuator with multiple switched resistor pairs. Stepped attenuators exist for the simple reason that audio enthusiasts find that they sound better than potentiometers. And they do! But stepped attenuators do have their drawbacks. Top of the list is that the volume change per step is too coarse.
Resistive Attenuators and Pads, May 1966 Electronics World ...
https://www.rfcafe.com/references/electronics-world/resistive-attenuators-pads-may-1966-electronics-world.htm
Typical fixed attenuator T pad for 600-ohm audio lines. ... Fig. 3 - Characteristics of a 30-step ladder attenuator. The resistor values in a ladder attenuator are such that they remain within practical limits throughout the attenuation range. Thus, the high attenuation values required for audiometer applications are obtainable in a single control.
DIY Stepped Attenuator – audio at home
https://audio-at-home.com/diy-stepped-attenuator
The shunt type attenuator is a potential divider whose first resistor has a constant value (most often 100kΩ) whereas the second, across which the voltage drop driving the amp develops, is switchable. I decided to go that way for its simplicity and the fact that Audio Note employs the same type in their higher level preamps.
Attenuator Resistor Values Table » Electronics Notes
https://www.electronics-notes.com/articles/radio/rf-attenuators/pi-t-bridged-resistor-values-table-calculator.php
The attenuator resistor values in the table are given for a 50 ohm system as this is the most likely impedance system required. However it is recognised that other impedance systems may also be used. To convert the values in the table to another value of impedance, they should be multiplied by the factor Z / 50, where Z is the characteristic ...
Resistive Attenuator Pads: Pi & T Circuit Design ...
https://www.electronics-notes.com/articles/radio/rf-attenuators/pi-t-resistive-attenuator-pad-circuit-design-formula.php
T attenuator pads: In terms of topology the T attenuator pad (or Tee attenuator pad) is the opposite of the Pi section resistive attenuator, but it performs equally as well. This form of RF attenuator has two resistors in series with each other between the input and the output. A single resistor is taken to ground from the junction of the two ...
Mobile Radio Speaker Audio Attenuator – Rugged Radios
https://www.ruggedradios.com/products/5-pin-extension-cable-with-radio-speaker-audio-attenuator
Specially developed with a built-in 10K resistor, this cable reduces audio volume from your mobile radio to your intercom system. Allows better volume control of your incoming radio transmission into your intercom system with helmets or headsets. Installs …
DIY Lightspeed Attenuator - Passive LDR Volume Control ...
https://diyaudioprojects.com/Solid/DIY-Lightspeed-Passive-Attenuator/
By using a series and shunt combination of optocouplers the attenuator can be configured to produces a constant input and output impedance, regardless of where the voltage control setting is. It is worth mentioning that the Lightspeed Passive Attenuator is not for every audio system though. First off, it is a passive attenuator so there is no gain.
Homemade RCA Attenuator : 5 Steps (with Pictures ...
https://www.instructables.com/Homemade-RCA-Attenuator/
Homemade RCA Attenuator: This project arose from the fact that I had too much gain in my audio system, and I needed a practical solution without modifying the PCB circuit. The problem can be solved using an RCA (in-line) attenuator, but since a new one can be quite expensiv…
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