Difference between revisions of "OpAmp Links"
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Many of these links are PDF files, this should be noted at the beginning of the link description. | Many of these links are PDF files, this should be noted at the beginning of the link description. | ||
Many of the links contain multiple topics ( often under slightly different titles ) you may need to search through the references a bit. | Many of the links contain multiple topics ( often under slightly different titles ) you may need to search through the references a bit. | ||
| − | There are also many different types of op amps, transconductance, video .... Most of these links are for general purpose op amps. | + | There are also many different types of op amps, transconductance, video .... Most of these links are for general purpose op amps. Also note the links at [[Op amp]] |
Key Words int the Topic Column: | Key Words int the Topic Column: | ||
| − | *OpAmp = well the whole page is op amps so maybe we will | + | *OpAmp = well the whole page is op amps so maybe we will delete this sometime later |
*Circuit = topic is a specific circuit | *Circuit = topic is a specific circuit | ||
*Project = if more of a project than just a circuit, distinction can be vague. | *Project = if more of a project than just a circuit, distinction can be vague. | ||
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*Circuit | *Circuit | ||
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| − | op amp circuit collections | + | Amplifier: Summing ( Summer Adder ) |
| + | | | ||
| + | *[http://en.wikipedia.org/wiki/Operational_amplifier_applications#Other_applications *Operational amplifier applications From Wikipedia, the free encyclopedia] | ||
| + | *[http://en.wikibooks.org/wiki/Circuit_Idea/Simple_Op-amp_Summer_Design Wikibooks: Circuit Idea/Simple Op-amp Summer Design] | ||
| + | *[http://www.ligo.caltech.edu/~vsanni/ph5/BasicOpAmpApplications.pdf *PDF: Sophomore Physics Laboratory (PH005/105)Analog Electronics: Basic OpAmp Applications: Academic Year 2007-2008] | ||
| + | *[http://www.national.com/ds.cgi/LM/LM833.pdf LM833 Dual Audio Operational Amplifier] | ||
| + | *[http://homepages.which.net/~paul.hills/Circuits/Adder/Adder.html Adder and subtractor circuit] | ||
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| + | <!---------------------------------> | ||
| + | |-valign="top" | ||
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| + | *OpAmp | ||
| + | *Circuit | ||
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| + | op amp circuit collections; includes a section on "signal generation" circuits including "Sine Wave Generator with Quadrature Output" circuits. | ||
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*[http://www.national.com/an/AN/AN-31.pdf *PDF: National Semiconductor Op Amp Circuit Collection Application Note 31 February 1978] | *[http://www.national.com/an/AN/AN-31.pdf *PDF: National Semiconductor Op Amp Circuit Collection Application Note 31 February 1978] | ||
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*[http://ecow.engr.wisc.edu/cgi-bin/get/ece/340/schowalter/opampckts.pdf *PDF: National Semiconductor Op Amp Circuit Collection Application Note 31 February 1978] | *[http://ecow.engr.wisc.edu/cgi-bin/get/ece/340/schowalter/opampckts.pdf *PDF: National Semiconductor Op Amp Circuit Collection Application Note 31 February 1978] | ||
*[http://www.analog.com/library/analogDialogue/archives/39-05/op_amp_applications_handbook.html Op Amp Applications Handbook -- Section 4] | *[http://www.analog.com/library/analogDialogue/archives/39-05/op_amp_applications_handbook.html Op Amp Applications Handbook -- Section 4] | ||
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*[http://www.allaboutcircuits.com/vol_3/chpt_8/14.html Operational amplifier models] | *[http://www.allaboutcircuits.com/vol_3/chpt_8/14.html Operational amplifier models] | ||
| + | <!---------------------------------> | ||
| + | |-valign="top" | ||
| + | | | ||
| + | *OpAmp | ||
| + | *Project | ||
| + | *Circuit | ||
| + | | | ||
| + | "a general purpose audio oscillator" | ||
| + | variable-frequency sine-cosine generator | ||
| + | | | ||
| + | *[http://www.williamsonic.com/AudioOsc/index.html Developing a State Variable Oscillator for Audio Applications] | ||
| + | <!---------------------------------> | ||
| + | |-valign="top" | ||
| + | | | ||
| + | *OpAmp | ||
| + | *Circuit | ||
| + | | | ||
| + | ultrapure sine-wave oscillator | ||
| + | | | ||
| + | *Jim Williams and Guy Hoover. [http://www.edn.com/article/519046-Test_18_bit_ADCs_with_an_ultrapure_sine_wave_oscillator.php "Test 18-bit ADCs with an ultrapure sine-wave oscillator"]. EDN 2011. | ||
| + | A photo of what is apparently the actual hardware discussed in that article at | ||
| + | [http://www.edn.com/blog/Anablog/40745-Audio_Precision_to_the_rescue_of_Jim_Williams_no_less.php "Audio Precision to the rescue, of Jim Williams no less"] | ||
| + | and apparently used during production of | ||
| + | Jim Williams: | ||
| + | [http://cds.linear.com/docs/Application%20Note/an120f.pdf LT AN120: "1ppm Settling Time Measurement for a Monolithic 18-Bit DAC: When Does the Last Angel Stop Dancing on a Speeding Pinhead?"] | ||
| + | Apparently this is the sequel to | ||
| + | Robert A. Pease: | ||
| + | [http://www.ti.com/lit/an/snaa047/snaa047.pdf NS AN1671: "Gain and Linearity Testing for Precision Operational Amplifiers"] | ||
| + | |||
<!--------------------------------- | <!--------------------------------- | ||
|-valign="top" | |-valign="top" | ||
Latest revision as of 18:00, 29 January 2012
Many of these circuits come in several different variations, many of which are lumped together here. Some circuits are explained, other just have schematics ( sometimes without even component values ). There are many op amp circuits not included here. Even in the referenced document not all circuits are indexed. These are not projects, but rather building blocks useful in project work. Many of these links are PDF files, this should be noted at the beginning of the link description. Many of the links contain multiple topics ( often under slightly different titles ) you may need to search through the references a bit. There are also many different types of op amps, transconductance, video .... Most of these links are for general purpose op amps. Also note the links at Op amp
Key Words int the Topic Column:
- OpAmp = well the whole page is op amps so maybe we will delete this sometime later
- Circuit = topic is a specific circuit
- Project = if more of a project than just a circuit, distinction can be vague.
- Tutorial = a discussion of the theory ( of more than just one circuit, or of one circuit in depth ).
Should we add more keywords? -- just put them here
- oscillator = make it wiggle
- amplifier = make it bigger
"Amplifiers oscillate. Oscillators don't." - unknown
| Topic | Comment | Links
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simple op-amp summer design |
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Amplifier: Summing ( Summer Adder ) |
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op amp circuit collections; includes a section on "signal generation" circuits including "Sine Wave Generator with Quadrature Output" circuits. |
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Ammeter |
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Amplifier: Audio ( various, tone control, headphone.... ) |
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Amplifier: Bridge |
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Amplifier: Computational, Logorathimic, expotential, multiplier..... |
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Amplifier: Differential or Difference amplifier |
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Amplifier: High Current ( Current Boost, Servo Motor ) |
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Amplifier: High Voltage ( Voltage Boost ) |
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Amplifier: Instrumentation |
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Amplifier: Isolation |
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Amplifier: Level Shift |
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Amplifier: Non-Inverting |
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Amplifier: Photodiode |
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Clamp |
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Constant Current ( Current Soruce, Current Pump ) |
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Comparator |
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Current Sense ( Monitor ) |
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Differentiator |
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Diode or Rectifier |
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Filter Notch |
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Filter Tuned, Band Pass |
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Filter High Pass |
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Filter Low Pass |
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Measurement Resistance |
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Oscillator Sine Wave - Bubba Oscillator |
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Oscillator Sine Wave - Quadrature |
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Oscillator Sine Wave - Quadrature |
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Oscillator Multivibrator ( more or less a simplified version of the function generator ) |
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Oscillator Sine Wave - Phase-Shift Oscillator |
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Oscillator Sine Wave - Wein Bridge Oscillator |
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Oscillator Triangle and/or Square Wave and/or Sine wave – Function Generator |
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Precision rectifier |
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Sample and Hold |
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Schmitt trigger |
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Temperature Sense Therometer |
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Voltage Reference |
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Voltage Regulator |
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General theory and circuits for op amps |
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Theory, circuits, and internal design. |
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Lots and lots of links, many to PDF. Looks good, would be nice to index individuallly. |
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Cool animated lecture on op amps and op amp circuits. |
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Should we make an updated "List of Amplifiers with Low and Lower Distortion" here -- or on some other wiki -- with an updated list of easily-available low-distortion amplifiers? |
PDF: Application Note 1671: "Gain and Linearity Testing for Precision Operational Amplifiers" by Robert A. Pease 2008. |
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Interesting material some on old style vacuum tube op amps. |
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"a general purpose audio oscillator" variable-frequency sine-cosine generator |
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ultrapure sine-wave oscillator |
A photo of what is apparently the actual hardware discussed in that article at "Audio Precision to the rescue, of Jim Williams no less" and apparently used during production of Jim Williams: LT AN120: "1ppm Settling Time Measurement for a Monolithic 18-Bit DAC: When Does the Last Angel Stop Dancing on a Speeding Pinhead?" Apparently this is the sequel to Robert A. Pease: NS AN1671: "Gain and Linearity Testing for Precision Operational Amplifiers" |
Many current sense techniques also use op-amps.
