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	<title>Mastering Electronics Design&#187; op amp (opamp) formulas</title>
	<atom:link href="http://masteringelectronicsdesign.com/tag/op-amp-opamp-formulas/feed/" rel="self" type="application/rss+xml" />
	<link>http://masteringelectronicsdesign.com</link>
	<description>Electronics Design and Modeling with Emphasis on Analog Design</description>
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		<title>Using the Summing Amplifier as an Average Amplifier</title>
		<link>http://masteringelectronicsdesign.com/using-the-summing-amplifier-as-an-average-amplifier/</link>
		<comments>http://masteringelectronicsdesign.com/using-the-summing-amplifier-as-an-average-amplifier/#comments</comments>
		<pubDate>Sun, 04 Jul 2010 00:28:07 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Electronic Circuits Examples]]></category>
		<category><![CDATA[Summing amplifier]]></category>
		<category><![CDATA[Waveforms]]></category>
		<category><![CDATA[op amp]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[operational amplifier]]></category>
		<category><![CDATA[summing amplifier examples]]></category>
		<category><![CDATA[summing amplifier formula]]></category>
		<category><![CDATA[waveform]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=1539</guid>
		<description><![CDATA[The summing amplifier can output the average of two, three or more signals. This is different than a signal average. The summing amplifier cannot, for example, output the average of a triangle signal. For that, you need an integrator to perform the average in the analog realm, or you need to sample the signal and calculate the average with a microcontroller. This type of average is the signal average in the time domain. I will write an article about the average of a signal in a near future.


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/the-transfer-function-of-the-summing-amplifier-with-n-input-signals/' rel='bookmark' title='Permanent Link: The Transfer Function of the Non-Inverting Summing Amplifier with “N” Input Signals'>The Transfer Function of the Non-Inverting Summing Amplifier with “N” Input Signals</a></li><li><a href='http://masteringelectronicsdesign.com/design-bipolar-unipolar-converter-with-3-input-summ-amplifier/' rel='bookmark' title='Permanent Link: Design a Bipolar to Unipolar Converter with a 3-input Summing Amplifier'>Design a Bipolar to Unipolar Converter with a 3-input Summing Amplifier</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-transfer-function-of-the-inverting-summing-amplifier/' rel='bookmark' title='Permanent Link: How to Derive the Transfer Function of the  Inverting Summing Amplifier'>How to Derive the Transfer Function of the  Inverting Summing Amplifier</a></li></ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Differential Amplifier Calculator</title>
		<link>http://masteringelectronicsdesign.com/differential-amplifier-calculator-2/</link>
		<comments>http://masteringelectronicsdesign.com/differential-amplifier-calculator-2/#comments</comments>
		<pubDate>Sun, 07 Feb 2010 01:58:59 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Calculators]]></category>
		<category><![CDATA[Differential Amplifier]]></category>
		<category><![CDATA[bipolar]]></category>
		<category><![CDATA[converter]]></category>
		<category><![CDATA[differential amplifier formula]]></category>
		<category><![CDATA[op amp]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[unipolar]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=1287</guid>
		<description><![CDATA[If you need to design a differential amplifier, here is a handy calculator.  All you need to define are the input range, the output range and a choice of a voltage reference.  The default values for this calculator are set for a unipolar to bipolar converter.


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/differential-amplifier-output-common-mode-voltage-calculator/' rel='bookmark' title='Permanent Link: Differential Amplifier Output Common-Mode Voltage Calculator'>Differential Amplifier Output Common-Mode Voltage Calculator</a></li><li><a href='http://masteringelectronicsdesign.com/design-a-differential-amplifier-the-easy-way-with-mathcad/' rel='bookmark' title='Permanent Link: Design a Differential Amplifier the Easy Way with Mathcad'>Design a Differential Amplifier the Easy Way with Mathcad</a></li><li><a href='http://masteringelectronicsdesign.com/summing-amplifier-calculator-java/' rel='bookmark' title='Permanent Link: Summing Amplifier Calculator'>Summing Amplifier Calculator</a></li></ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>The Non-Inverting Amplifier Output Resistance</title>
		<link>http://masteringelectronicsdesign.com/the-non-inverting-amplifier-output-resistance/</link>
		<comments>http://masteringelectronicsdesign.com/the-non-inverting-amplifier-output-resistance/#comments</comments>
		<pubDate>Wed, 23 Dec 2009 07:38:58 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Operational Amplifier Formulas]]></category>
		<category><![CDATA[dependent sources]]></category>
		<category><![CDATA[non-inverting]]></category>
		<category><![CDATA[op amp]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[operational amplifier]]></category>
		<category><![CDATA[output resistance]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=1003</guid>
		<description><![CDATA[It is customary to consider the output resistance of the non-inverting amplifier as being zero, but why is that?  An Op Amp’s own output resistance is in the range of tens of ohms.  Still, when we connect the Op Amp in a feedback configuration, the output resistance decreases dramatically.  Why?


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/the-common-collector-amplifier-input-and-output-resistance/' rel='bookmark' title='Permanent Link: The Common-Collector Amplifier Input and Output Resistance &#8211; The Proof'>The Common-Collector Amplifier Input and Output Resistance &#8211; The Proof</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-inverting-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Inverting Amplifier Transfer Function'>How to Derive the Inverting Amplifier Transfer Function</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-transfer-function-of-the-inverting-summing-amplifier/' rel='bookmark' title='Permanent Link: How to Derive the Transfer Function of the  Inverting Summing Amplifier'>How to Derive the Transfer Function of the  Inverting Summing Amplifier</a></li></ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How to Derive the Inverting Amplifier Transfer Function</title>
		<link>http://masteringelectronicsdesign.com/how-to-derive-the-inverting-amplifier-transfer-function/</link>
		<comments>http://masteringelectronicsdesign.com/how-to-derive-the-inverting-amplifier-transfer-function/#comments</comments>
		<pubDate>Fri, 27 Nov 2009 03:33:40 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Operational Amplifier Formulas]]></category>
		<category><![CDATA[amplifier]]></category>
		<category><![CDATA[inverting]]></category>
		<category><![CDATA[op amp]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[proof]]></category>
		<category><![CDATA[transfer function]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=979</guid>
		<description><![CDATA[Widely used in Analog Design, the inverting amplifier in Figure 1 has a simple transfer function.  What is the proof of this function? 


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-transfer-function-of-the-inverting-summing-amplifier/' rel='bookmark' title='Permanent Link: How to Derive the Transfer Function of the  Inverting Summing Amplifier'>How to Derive the Transfer Function of the  Inverting Summing Amplifier</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-non-inverting-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Non-Inverting Amplifier Transfer Function'>How to Derive the Non-Inverting Amplifier Transfer Function</a></li><li><a href='http://masteringelectronicsdesign.com/the-differential-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Differential Amplifier Transfer Function'>How to Derive the Differential Amplifier Transfer Function</a></li></ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How to Derive the Instrumentation Amplifier Transfer Function</title>
		<link>http://masteringelectronicsdesign.com/how-to-derive-the-instrumentation-amplifier-transfer-function/</link>
		<comments>http://masteringelectronicsdesign.com/how-to-derive-the-instrumentation-amplifier-transfer-function/#comments</comments>
		<pubDate>Sun, 30 Aug 2009 23:31:22 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Differential Amplifier]]></category>
		<category><![CDATA[Superposition Theorem]]></category>
		<category><![CDATA[differential amplifier]]></category>
		<category><![CDATA[instrumentation amplifier]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[operational amplifier]]></category>
		<category><![CDATA[proof]]></category>
		<category><![CDATA[transfer function]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=621</guid>
		<description><![CDATA[The Instrumentation Amplifier (IA) resembles the differential amplifier, with the main difference that the inputs are buffered by two Op Amps.  Besides that, it is designed for low DC offset, low offset drift with temperature, low input bias currents and high common-mode rejection ratio.  These qualities make the IA very useful in analog circuit design, in precision applications and in sensor signal processing.


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/the-differential-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Differential Amplifier Transfer Function'>How to Derive the Differential Amplifier Transfer Function</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-summing-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Summing Amplifier Transfer Function'>How to Derive the Summing Amplifier Transfer Function</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-transfer-function-of-the-inverting-summing-amplifier/' rel='bookmark' title='Permanent Link: How to Derive the Transfer Function of the  Inverting Summing Amplifier'>How to Derive the Transfer Function of the  Inverting Summing Amplifier</a></li></ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How to Derive the Non-Inverting Amplifier Transfer Function</title>
		<link>http://masteringelectronicsdesign.com/how-to-derive-the-non-inverting-amplifier-transfer-function/</link>
		<comments>http://masteringelectronicsdesign.com/how-to-derive-the-non-inverting-amplifier-transfer-function/#comments</comments>
		<pubDate>Sat, 29 Aug 2009 06:57:03 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Operational Amplifier Formulas]]></category>
		<category><![CDATA[amplifier]]></category>
		<category><![CDATA[non-inverting]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[operational amplifier]]></category>
		<category><![CDATA[transfer function]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=438</guid>
		<description><![CDATA[One of the most common amplifiers in Analog Design is the non-inverting amplifier.  How do you derive its transfer function?


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-inverting-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Inverting Amplifier Transfer Function'>How to Derive the Inverting Amplifier Transfer Function</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-transfer-function-of-the-inverting-summing-amplifier/' rel='bookmark' title='Permanent Link: How to Derive the Transfer Function of the  Inverting Summing Amplifier'>How to Derive the Transfer Function of the  Inverting Summing Amplifier</a></li><li><a href='http://masteringelectronicsdesign.com/the-differential-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Differential Amplifier Transfer Function'>How to Derive the Differential Amplifier Transfer Function</a></li></ol>]]></description>
		<wfw:commentRss>http://masteringelectronicsdesign.com/how-to-derive-the-non-inverting-amplifier-transfer-function/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Useful Operational Amplifier Formulas and Configurations</title>
		<link>http://masteringelectronicsdesign.com/useful-operational-amplifier-formulas-and-configurations/</link>
		<comments>http://masteringelectronicsdesign.com/useful-operational-amplifier-formulas-and-configurations/#comments</comments>
		<pubDate>Mon, 24 Aug 2009 01:57:49 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Operational Amplifier Formulas]]></category>
		<category><![CDATA[amplifier]]></category>
		<category><![CDATA[Differential Amplifier]]></category>
		<category><![CDATA[non-inverting]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[operational amplifier]]></category>
		<category><![CDATA[Summing amplifier]]></category>
		<category><![CDATA[transfer function]]></category>
		<category><![CDATA[voltage follower]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=577</guid>
		<description><![CDATA[A compilation of Op Amp configurations and transfer functions. 


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/an-ideal-operational-amplifier-simulation-model/' rel='bookmark' title='Permanent Link: An Ideal Operational Amplifier Simulation Model'>An Ideal Operational Amplifier Simulation Model</a></li><li><a href='http://masteringelectronicsdesign.com/a-summing-and-differential-amplifier-with-one-op-amp/' rel='bookmark' title='Permanent Link: A Summing and Differential Amplifier with One Op Amp'>A Summing and Differential Amplifier with One Op Amp</a></li><li><a href='http://masteringelectronicsdesign.com/the-transfer-function-of-the-summing-amplifier-with-n-input-signals/' rel='bookmark' title='Permanent Link: The Transfer Function of the Non-Inverting Summing Amplifier with “N” Input Signals'>The Transfer Function of the Non-Inverting Summing Amplifier with “N” Input Signals</a></li></ol>]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>The Transfer Function of the Non-Inverting Summing Amplifier with “N” Input Signals</title>
		<link>http://masteringelectronicsdesign.com/the-transfer-function-of-the-summing-amplifier-with-n-input-signals/</link>
		<comments>http://masteringelectronicsdesign.com/the-transfer-function-of-the-summing-amplifier-with-n-input-signals/#comments</comments>
		<pubDate>Sun, 09 Aug 2009 21:52:02 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Operational Amplifier Formulas]]></category>
		<category><![CDATA[Summing amplifier]]></category>
		<category><![CDATA[Superposition Theorem]]></category>
		<category><![CDATA[amplifier]]></category>
		<category><![CDATA[analog]]></category>
		<category><![CDATA[non-inverting]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[operational amplifier]]></category>
		<category><![CDATA[proof]]></category>
		<category><![CDATA[summing amplifier formula]]></category>
		<category><![CDATA[transfer function]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=486</guid>
		<description><![CDATA[In a previous article, How to Derive the Summing Amplifier Transfer Function, I deduced the formula for the non-inverting summing amplifier with two signals in its input.  But what if we have 3, 4 or an n number of signals?  Can we add them all with one amplifier?


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-transfer-function-of-the-inverting-summing-amplifier/' rel='bookmark' title='Permanent Link: How to Derive the Transfer Function of the  Inverting Summing Amplifier'>How to Derive the Transfer Function of the  Inverting Summing Amplifier</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-summing-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Summing Amplifier Transfer Function'>How to Derive the Summing Amplifier Transfer Function</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-inverting-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Inverting Amplifier Transfer Function'>How to Derive the Inverting Amplifier Transfer Function</a></li></ol>]]></description>
		<wfw:commentRss>http://masteringelectronicsdesign.com/the-transfer-function-of-the-summing-amplifier-with-n-input-signals/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>How to Derive the Differential Amplifier Transfer Function</title>
		<link>http://masteringelectronicsdesign.com/the-differential-amplifier-transfer-function/</link>
		<comments>http://masteringelectronicsdesign.com/the-differential-amplifier-transfer-function/#comments</comments>
		<pubDate>Thu, 07 May 2009 12:14:46 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Differential Amplifier]]></category>
		<category><![CDATA[Operational Amplifier Formulas]]></category>
		<category><![CDATA[Superposition Theorem]]></category>
		<category><![CDATA[amplifier]]></category>
		<category><![CDATA[differential amplifier formula]]></category>
		<category><![CDATA[op amp (opamp) formulas]]></category>
		<category><![CDATA[operational amplifier]]></category>
		<category><![CDATA[proof]]></category>
		<category><![CDATA[transfer function]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=156</guid>
		<description><![CDATA[The transfer function of the differential amplifier, also known as difference amplifier, can be found in articles, websites, formula tables, but where is it coming from? Why is the differential amplifier transfer function as in the following mathematical relation? ...


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-summing-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Summing Amplifier Transfer Function'>How to Derive the Summing Amplifier Transfer Function</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-instrumentation-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Instrumentation Amplifier Transfer Function'>How to Derive the Instrumentation Amplifier Transfer Function</a></li><li><a href='http://masteringelectronicsdesign.com/how-to-derive-the-inverting-amplifier-transfer-function/' rel='bookmark' title='Permanent Link: How to Derive the Inverting Amplifier Transfer Function'>How to Derive the Inverting Amplifier Transfer Function</a></li></ol>]]></description>
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		<slash:comments>1</slash:comments>
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