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Old 29th June 2013, 12:20 PM   #1
dhbiker is offline dhbiker  Slovenia
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Default Simple non-digital input selector

Hi there

i know there are threads already about this but none of that threads answer my question.

i would like to switch between 4 inputs preferrably with relays.

any simple schemes availible ? (i'm a fan of KISS principle)
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Old 29th June 2013, 12:48 PM   #2
DUG is offline DUG  Canada
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Use signal relays that work well at low current.

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Old 29th June 2013, 02:13 PM   #3
dhbiker is offline dhbiker  Slovenia
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any reccomendations what relays should i take ?
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Old 29th June 2013, 02:55 PM   #4
AndrewT is offline AndrewT  Scotland
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google "signal relay" or Omron.
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Old 29th June 2013, 05:12 PM   #5
dhbiker is offline dhbiker  Slovenia
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well i know how to google

i meant if there is any reccomendation about Brand/model that stands out maybe
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Old 29th June 2013, 11:12 PM   #6
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The Omron G6A-274P-ST series has an industry-standard pin-out and bifurcated contacts for reliable low-level signal switching. E
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Old 29th June 2013, 11:24 PM   #7
redjr is offline redjr  United States
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If you don't want to build one, here's one that I have used.
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Old 30th June 2013, 12:52 AM   #8
DUG is offline DUG  Canada
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Quote:
Originally Posted by redjr View Post
If you don't want to build one, here's one that I have used.
Looks like DSP relays...might be low current but not what I would call signal relays.

Relays to use:

IM relays (IM07 is 24V coil) are min 100uV

(mickeymoose)
G6A-274P-ST are min 10uA / 10mV min signal

G6K or G6S series are also min 10uA / 10mV min signal

Signal relays or Telecom relays are what to look for.

Look for low switching voltage in the data sheet.

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Last edited by DUG; 30th June 2013 at 12:56 AM.
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Old 30th June 2013, 07:08 AM   #9
dhbiker is offline dhbiker  Slovenia
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mickeymoose and DUG thank you very much kind sirs really appreciate it

i rather DIY it and pay 4-5 times more than the chinese stuff. atleast i know what i have in the first place
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Old 30th June 2013, 09:09 AM   #10
AndrewT is offline AndrewT  Scotland
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What's different in posts 6 & 8 that got a "thank you", from post4 that you rubbished?
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