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university:courses:electronics:electronics-lab-1st [05 Mar 2019 10:53] – [Additional Background on settling time measurements:] Antoniu Miclausuniversity:courses:electronics:electronics-lab-1st [03 Nov 2021 20:26] (current) – [Activity:Op Amp Settling Time, For ADALM2000] Doug Mercer
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-====== Op Amp Settling Time ======+======Activity: Op Amp Settling Time, For ADALM2000======
  
 ===== Settling Time Background: ===== ===== Settling Time Background: =====
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 1 OP27 op-amp\\ 1 OP27 op-amp\\
 1 OP37 op-amp\\ 1 OP37 op-amp\\
-1 OP97 ( slow settling amplifier not normally supplied with the Analog Parts Kit )\\+1 OP97 ( slow settling amplifier )\\
 2 0.1uF Capacitors (used to de-couple the Vp and Vn power supplies)\\ 2 0.1uF Capacitors (used to de-couple the Vp and Vn power supplies)\\
  
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 ==== Hardware Setup: ==== ==== Hardware Setup: ====
  
-Waveform generator 1 should be configured for a 60 KHz square wave 1V amplitude and 0 volt offset. Scope channel 1 is used to monitor the input square wave and should be set to 500 mV/div and used as the trigger source. Scope channel 2 is used to alternately measure the op amp output, V<sub>2</sub>, and the Error signal at the wiper of the potentiometer. Channel 2 should be set to 500 mV/div when observing the output of the amplifier but should be set to a more sensitive scale of 100 mV/div when observing the Error signal.+Waveform generator 1 should be configured for a 60 KHz square wave 1V amplitude peak-to-peak and 0 volt offset. Scope channel 1 is used to monitor the input square wave and should be set to 500 mV/div and used as the trigger source. Scope channel 2 is used to alternately measure the op amp output, V<sub>2</sub>, and the Error signal at the wiper of the potentiometer. Channel 2 should be set to 500 mV/div when observing the output of the amplifier but should be set to a more sensitive scale of 100 mV/div when observing the Error signal.
  
 <WRAP centeralign>{{:university:courses:electronics:opamp_settling_time-bb.png|}}</WRAP> <WRAP centeralign>{{:university:courses:electronics:opamp_settling_time-bb.png|}}</WRAP>
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 Next replace the OP27 amplifier with a OP37 amplifier from the Parts Kit. Again export the Error waveform showing the settling to both rising and falling input steps for inclusion in your Lab report. Overlay the OP37 settling waveform with the saved reference waveform of the OP27. Compare the settling time and general characteristics of each. You should also again store the Error waveform, scope channel 2, for the OP37 as a reference waveform (R2) for future comparison. Next replace the OP27 amplifier with a OP37 amplifier from the Parts Kit. Again export the Error waveform showing the settling to both rising and falling input steps for inclusion in your Lab report. Overlay the OP37 settling waveform with the saved reference waveform of the OP27. Compare the settling time and general characteristics of each. You should also again store the Error waveform, scope channel 2, for the OP37 as a reference waveform (R2) for future comparison.
  
-Finally replace the OP37 with the much slower settling OP97 amplifier if you have one available. Again export the Error waveform showing the settling to both rising and falling input steps for inclusion in your Lab report. Overlay the OP97 settling waveform with the saved reference waveforms of the OP27 and OP37. Compare the settling time and general characteristics of each.+Finally replace the OP37 with the much slower settling OP97 amplifier. Again export the Error waveform showing the settling to both rising and falling input steps for inclusion in your Lab report. Overlay the OP97 settling waveform with the saved reference waveforms of the OP27 and OP37. Compare the settling time and general characteristics of each.
  
 {{ :university:courses:electronics:opamp_settling_time-wav.png |}} {{ :university:courses:electronics:opamp_settling_time-wav.png |}}
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 <WRAP round download> <WRAP round download>
 **Lab Resources:** **Lab Resources:**
-  * Fritzing files: [[ https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/analogdevicesinc/education_tools/tree/master/m2k/fritzing/opamp_settling_time_bb | opamp_settling_time_bb]] +  * Fritzing files: [[downgit>education_tools/tree/master/m2k/fritzing/opamp_settling_time_bb | opamp_settling_time_bb]] 
-  * LTSpice files: [[ https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/analogdevicesinc/education_tools/tree/master/m2k/ltspice/opamp_settling_time_ltspice | opamp_settling_time_ltspice]]+  * LTSpice files: [[downgit>education_tools/tree/master/m2k/ltspice/opamp_settling_time_ltspice | opamp_settling_time_ltspice]]
 </WRAP> </WRAP>
  
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 http://www.analog.com/static/imported-files/tutorials/MT-046.pdf\\ http://www.analog.com/static/imported-files/tutorials/MT-046.pdf\\
 http://www.analog.com/static/imported-files/application_notes/466359863287538299597392756AN359.pdf\\ http://www.analog.com/static/imported-files/application_notes/466359863287538299597392756AN359.pdf\\
-http://en.wikipedia.org/wiki/Settling_time\\+[[wp>Settling_time|Settling time]]
  
 Return to Lab Activities [[university:courses:electronics:labs|Table of Contents]] Return to Lab Activities [[university:courses:electronics:labs|Table of Contents]]
  
university/courses/electronics/electronics-lab-1st.1551779614.txt.gz · Last modified: 05 Mar 2019 10:53 by Antoniu Miclaus

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