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Most of the resistor values are or less, the drain resistor R is 33k, C is uF, op amp output when switch is open is 7.
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Op amp as comparator Posted by nickyoko21 in forum: Sep 13, 2, Jan 11, 6. Dec 29, 1, You May Also Like: Yes, my password is: That brings me to a new question, what datasheet specs should I look for in a comparator?
Sep 9, datzsheet, 5, I think your problem may be that the inputs can only work at 3 volts above the negative supply. Just double checked, it is an LF Nov 23, 8, 6, Jan 11, Jan 11, 7.
Your name or email address: Nov 23, 2, Nov 12, 3, 2, A comparator like mentioned in post 9, or if you want to use an op amp an LM would do it. 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 with them are welcomed so i know for future use.
Jan 11, 4. Posted by dougal in forum: Any info you can give me on operation is much appreciated as well as any other circuit ideas.
Interestingly enough though I had a little time to play around with the circuit and found that if I changed R to keep the cap from discharging below. Delay using LM as comparator Reply to Thread. Quote of the datasjeet.
Using a phototransistor as input into comparator Posted by connellyw in forum: Aug 12, 2, And everything is great with the split supply, but you get odd behavior when V- lm35 ground? Jan 11, 1. You need an IC made to run on a single supply. My questions are essentially: Could you draw in the resistor values and show how the power is applied?
LM Datasheet – LOW Voltage Audio Power Amplifier –
Any ideas as to why this is, just another issue from the given op amp in use perhaps? 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, 8. See common mode range in the data sheet. Why does -9 work?