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The Basement
Could a MOSFET based device be used to build something like a stepped attenuator?
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<blockquote data-quote="drew gandy" data-source="post: 208667" data-attributes="member: 880"><p>It's been a long time since I looked at solid state analog audio switching chips but I seem to recall that most of them had less than "studio grade" distortion specs. Relays, despite their other issues were often the better way to accomplish this without disturbing the signal. In today's world of DSP it seems that it's far more desirable to do your routing and switching in the digital realm. That said, THAT corp would be my first stop to find something suitable for analog only situations. They have a number of digitally controlled mic preamp gain chips among other high end analog audio chips. Obviously, interfacing with 24v or 70v circuits may require some additional engineering. Pardon my comment if this is not news to you.</p></blockquote><p></p>
[QUOTE="drew gandy, post: 208667, member: 880"] It's been a long time since I looked at solid state analog audio switching chips but I seem to recall that most of them had less than "studio grade" distortion specs. Relays, despite their other issues were often the better way to accomplish this without disturbing the signal. In today's world of DSP it seems that it's far more desirable to do your routing and switching in the digital realm. That said, THAT corp would be my first stop to find something suitable for analog only situations. They have a number of digitally controlled mic preamp gain chips among other high end analog audio chips. Obviously, interfacing with 24v or 70v circuits may require some additional engineering. Pardon my comment if this is not news to you. [/QUOTE]
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Could a MOSFET based device be used to build something like a stepped attenuator?
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