Forums
New posts
Search forums
What's new
New posts
Latest activity
Members
Registered members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
DIY & Tutorials
DIY For Audio
DIY Power Amplifier: PALADIN SM-150
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support AVForums:
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Message
<blockquote data-quote="JimGore" data-source="post: 716454" data-attributes="member: 3"><p>Hey R,</p><p></p><p>Those are opto-isolators. It allows you to isolate 2 signals with up to 5kV worth of potential difference between the two. The input part is an IR LED (internal to the chip, you don't actually see it). This LED controls the flow of current through a NPN transistor which is the output part. Look up a datasheet for part 4N25 as an example <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p></p><p></p><p></p><p>Thanks meneer! </p><p></p><p>You have already heard it. It's nearly identical to my amplifiers I listen to here at home (using the BJT output stage) - perhaps slightly better in some regards.</p><p></p><p>Kind regards,</p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 716454, member: 3"] Hey R, Those are opto-isolators. It allows you to isolate 2 signals with up to 5kV worth of potential difference between the two. The input part is an IR LED (internal to the chip, you don't actually see it). This LED controls the flow of current through a NPN transistor which is the output part. Look up a datasheet for part 4N25 as an example ;) Thanks meneer! You have already heard it. It's nearly identical to my amplifiers I listen to here at home (using the BJT output stage) - perhaps slightly better in some regards. Kind regards, Ian. [/QUOTE]
Insert quotes…
Verification
Post reply
DIY & Tutorials
DIY For Audio
DIY Power Amplifier: PALADIN SM-150
Top