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Author Topic: dSPACE DS2003 A/D Board - Reed Relay  (Read 3421 times)

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Offline onemilimeterTopic starter

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dSPACE DS2003 A/D Board - Reed Relay
« on: March 12, 2011, 09:49:01 pm »
dSPACE DS2003 A/D Board
http://www.dspaceinc.com/en/inc/home/products/hw/modular_hardware_introduction/i_o_boards/a_d_boards.cfm

There're two onboard A/D converters (BB PCM78).
If you look at the attached image below (click the image for enlarged view), there are two reed relays (Hamlin HE721C0510). Does anyone have idea what is the function of the reed relay in this A/D board?
Thanks
« Last Edit: March 12, 2011, 10:03:10 pm by onemilimeter »
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Offline NiHaoMike

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Re: dSPACE DS2003 A/D Board - Reed Relay
« Reply #1 on: March 13, 2011, 04:55:14 am »
Probably to change the input gain or channel mapping. It's common to use tiny relays to select input attenuators in oscilloscopes.
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