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| OP Amp output Impedance - RF Cafe Forums | ||||||
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Below are all of the forum threads, including all the responses to the original posts. David-S Post subject: OP Amp output Impedance Unread postPosted: Wed Feb 16, 2005 1:58 am Hi, I want to ask if it is correct to measure Op-Amp output impedance by measuring S22 with Network Analyzer Thank David-S Top Brad Post subject: Unread postPosted: Wed Feb 16, 2005 8:38 am The answer is yes, but just be sure you do not exceed the DC voltage input level to the network analyzer. Brad Top j_almira Post subject: Unread postPosted: Tue Apr 05, 2005 1:13 am Hi, I agree with Brad. just wanna add, probably it's safer to use attenuator at the port 2 of network analyzer. Regards, Jean Top Guest Post subject: Output impedance Unread postPosted: Fri Apr 08, 2005 12:10 pm The assumption made in the previous responses is that you want the closed-loop output impedance (of the entire circuit), not the intrinsic output impedance of the operational amplifier (by itself). Is this a correct assumption? Good Luck! Posted 11/12/2012 | ||||||
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