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Author Topic: How square should a 300kHz square wave on a HP204D be?  (Read 570 times)

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Online RAPoTopic starter

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How square should a 300kHz square wave on a HP204D be?
« on: May 16, 2023, 05:44:56 pm »
My latest addition to my collection op HP instruments arrived today: an HP204D.
The square wave is really nice until I get in the 300kHz range, see the picture.
Should I be worried, or is this normal?
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Offline TimFox

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Re: How square should a 300kHz square wave on a HP204D be?
« Reply #1 on: May 16, 2023, 05:50:14 pm »
If I read the display correctly, the rise time (about 500 ns) is the same at both frequencies, but (of course) the time/div is lower on the higher frequency display.
This is normal.
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Online RAPoTopic starter

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Re: How square should a 300kHz square wave on a HP204D be?
« Reply #2 on: May 16, 2023, 05:55:27 pm »
yes, rise time is about equal. Thanks.
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Online RAPoTopic starter

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Re: How square should a 300kHz square wave on a HP204D be?
« Reply #3 on: May 16, 2023, 06:04:53 pm »
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