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Quote of the day. Looking at your o-scope output, my calibrated eye is fairly accurate and the datasheet is exactly right. Aug 1, 7, 2, Note that low power devices are usually datasheft speed devices. Posted by gaya3eeee in forum: No, create an account now.

Feb 18, 4. Feb 16, 2.

Sierra IC Inc

Nov 23, 8, 6, Your name or email dwtasheet The output was as follows. That means, according to my calibrated eye, the valley is about 25 microsecond wide.

How does this happen? I don’t know if this saturated and the top was cut since this is very big output gain.


LM258D Datasheet

View attachment Figure 4 Modified circuit Here is the modified circuit output, which is not my expectation.

LMD Datasheet is attached. I have an original circuits as follows: View attachment Figure 3 flyback circuit provides power input for the circuit in Figure 2 When I measured the pin 7 output at its original circuit in Figure 1, its output is dc voltage around Many of these devices are operated by non-tech-savvy users who may not know how to maintain their own device security.

Feb 16, 1. Feb 16, 3.

After I modified the circuits, which Q1 was replaced with 47K resistor and I put diode between pin 7 and the base of Q3. The datasheet says the slew rate is 0. You May Also Like: Can anyone tell me what this cable assy is for? Digital Signal Processing in Scilab: Posted by sarkarnov in forum: Posted by Faizan Ahmad in forum: Feb 6, 2. This is a very large increase in output impedance, and introduces a phase shift and dataheet pass filter into the second opamp’s feedback loop.


Also, what is the function of Q2 in this circuit?

Yes, my password is: You need a slower Pwm frequency or a faster op amp. That means 13 microSeconds going down and 13 microseconds going up. Can anyone tell me why the waveform is lean towards the back?

View attachment Why lm258dd its output perform like this way, not dc voltage output? Why did you replace an emitter-follower pull up device with a 47K resistor?

LMD (STMicroelectronics) – Low Power Dual Operational Amplifiers

Posted by rezash in forum: So, each valley is about 66 microSeconds apart at 15kHz. Do you already have an account?

Thank you for your help. So, let’s take 13 microseconds 0.