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Why does the op amp output voltage drop so low when the switch is closed and why does it go from on to off and back to on? Jan 11, 9.

Delay using LM as comparator | All About Circuits

Posted by dougal in forum: Right now I’m just using LEDs to test the circuit and will get adequate components to run the motor, and I removed the resistor from the output to the base. Jan 11, 1. Also, I am trying to stay away from IC’s so I can get a better handle on transistor switching first time using them but any ideas datasbeet them are welcomed so i know for future use.


Jan 11, 3.

I couldn’t find a datasheet for LM Nov 23, 2, Any ideas as to why this is, just another issue from the given op amp in use perhaps? My questions are essentially: Boy, is that an ugly IC.

LM356 Datasheet

Do you already have an account? Dec 29, 1, That would destroy the op-amp. Delay using LM as comparator Reply to Thread. Any info you can give me on operation is much appreciated as well as any other circuit ideas.

LM Datasheet PDF – FCISemiconductor

Could you draw in the resistor values and show how the power is applied? Jan 11, 7. Jan 11, 5.

Jan 11, 26 0. Sep 9, 15, 5, There is no relay. It would work a as a comparator, but it would be a waste. From Lumped Element to Distributed Element Regimes Delving further into the transmission line concept, the boundary between treating the lm536 as a single lumped circuit element and using the distributed circuit parameters is investigated with a simple analysis in python.

Quote of the day. I’m having trouble following. Jan 13, All references gave me LM; which wouldn’t make a good comparator. Nov 23, 8, 6, I assume LM op amp? Jan 11, 2. Why does -9 work? Op amp as comparator Posted by nickyoko21 in forum: Mar 30, 7, 1, Using a phototransistor as input into comparator Posted by connellyw in forum: Your name or email address: Nov 12, 3, 2, Embedded Systems and Microcontrollers.


Jan 11, 8. Jan 11, You need an IC made to run on a single supply. A comparator like mentioned in post 9, or if you want to use an op amp an LM would do it. Do you mean LF?

Most of the resistor values are or less, the drain resistor R is 33k, C is uF, op amp output when switch datazheet open is 7. Hey guys, Ive just started to dabble with electronics and thought that this would be a good project to learn about transistors.