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Old 09-07-2013, 11:51 AM
amin beigi amin beigi is offline
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Default multiplier IC

Hi.
I need an IC for multiplying tow voltage(sinosuidal and pulse)with frequencies around 3KHz.
If anyone help me with this matter,I will be very grateful of him/her.
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Old 09-07-2013, 12:18 PM
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Could you use this chip, or some variant of it ? http://www.onsemi.com/pub_link/Collateral/MC1496-D.PDF Quite common and cheap.
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Old 09-07-2013, 02:51 PM
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I think this is more what he is looking for.
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Old 09-07-2013, 03:23 PM
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Quote:
Originally Posted by LDC3 View Post
I think this is more what he is looking for.
Maybe but to me it looked at first glance that the OP wanted to do a modulation task. Anyway this is a search the OP can do https://www.google.com/search?q=mult...d+as+modulator
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Old 09-07-2013, 04:06 PM
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Are you gating the sinusoid with a digital pulse or are you modulating the digital wave with a sine envelope?

You might consider using an analog gate such as a CD4066.
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Old 09-07-2013, 06:07 PM
amin beigi amin beigi is offline
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thank all of you,due to spending time for answering me.my perpose is generating a waveform(special one,not only a sine one,there must be some changes in the original waveform that I know how to do,but I wanted to remove some part of it by a periodic pulse).
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