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Author Topic: FLUKE 5500A VOLTAGE AMPLIFIER  (Read 1975 times)

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Offline EhanTopic starter

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FLUKE 5500A VOLTAGE AMPLIFIER
« on: July 16, 2018, 04:45:18 am »
Excuse me,could anyone tell me what is CR36(FET)?And where can I find the explanation of this circuit?Thank you very much!
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Offline pigrew

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Re: FLUKE 5500A VOLTAGE AMPLIFIER
« Reply #1 on: July 16, 2018, 04:56:02 am »
It is a FET biased as a constant current source (also known as a constant-current diode). Probably it would be a depletion mode device, where the gate is tied to the source, so Idss current is let through.

See the part list in the manual (if available) to see what the current is.
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Offline EhanTopic starter

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Re: FLUKE 5500A VOLTAGE AMPLIFIER
« Reply #2 on: July 16, 2018, 05:20:30 am »
Thanks.I will do some research
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