Timeline for Purpose of attenuation before op-amp input
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 15, 2019 at 13:02 | comment | added | user218385 | You're correct, the schematic have some mistake. In actual circuit, resistor R1 is connected to the output as a feedback. | |
| Apr 15, 2019 at 12:15 | comment | added | Dan Mills | That filter looks broken to me, no actual feedback! Maybe R1 should go to the output? Also, what about the opamp input bias and offset currents? | |
| Apr 15, 2019 at 10:39 | history | edited | W5VO | CC BY-SA 4.0 |
appended answer 432610 as supplemental
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| Apr 14, 2019 at 12:02 | comment | added | le_top | This clearly depends on context - besides the answers already provided at this point I an think of opamps input limitations such as common mode, rail-to-rail limitations, filtering, input protection, flexibility to adjust the input range by changing the divider values, etc. | |
| Apr 14, 2019 at 10:46 | answer | added | Peter Smith | timeline score: 2 | |
| Apr 14, 2019 at 10:24 | answer | added | Bimpelrekkie | timeline score: 2 | |
| Apr 14, 2019 at 10:16 | review | Suggested edits | |||
| Apr 14, 2019 at 13:35 | |||||
| Apr 14, 2019 at 9:45 | comment | added | pipe | Show an actual published schematic for this, because it likely depends on context. | |
| Apr 14, 2019 at 9:35 | review | First posts | |||
| Apr 14, 2019 at 13:36 | |||||
| Apr 14, 2019 at 9:34 | history | asked | user218385 | CC BY-SA 4.0 |