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voltage controlled current source
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wwfeda



Joined: 17 Dec 2005
Posts: 29
Helped: 3
Post21 Jan 2006 4:45   

voltage controlled current source
Hi,

How do you go about implementing a voltage controlled current source? The symbol for this in Pspice is G.

My inputs are differential (can be positive and negative) and I want the output current to be bi-directional. I cannot ground the inputs or load it.

Thanks.
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hr_rezaee



Joined: 06 Oct 2004
Posts: 892
Helped: 88
Location: Iran-Mashhad
Post21 Jan 2006 7:17   

voltage controlled current source
do you want to implement a G on a board ?
if yes, you must search for OTA and G IC .
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Post21 Jan 2006 7:17   

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Hughes



Joined: 10 Jun 2003
Posts: 718
Helped: 87
Post21 Jan 2006 14:52   

voltage controlled current source
A differential-input amplifier + a voltage-to-current coverter can realize a vcvs. Both can be contructed with opamps.
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