Hardware problem?

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prishvin
Newbie
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Joined: Thu Feb 21, 2019 8:39 am

Hardware problem?

Post by prishvin » Sun Mar 24, 2019 9:49 am

Suddenly, without apparent reason, picoscope started reading half of the voltage across all channels. Plus there is a random offset (10-40mv) on some channels. What may be the reason? How this can be solved?

Gerry
PICO STAFF
PICO STAFF
Posts: 441
Joined: Mon Aug 11, 2014 11:14 am

Re: Hardware problem?

Post by Gerry » Mon Mar 25, 2019 10:17 am

Hi prishvin,

Could you give us the details of exactly what you are measuring, and post a psdata file.

Also, has the output impedance of what you are measuring changed? For instance, if you are capturing a signal from an external Signal Generator and it's output is changed to drive a 50 ohm input, when it was previously set to drive a high impedance input, the voltage will be halved.

Regards,

Gerry
Gerry
Technical Specialist

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