dual operational amplifiers. Datasheet – production data .. marking for order codes LMDT and LMD/LMDT; updated temperature. LMD NE/SA/SE/LM//A/; Low Power Dual Operational Amplifiers;; Package: SOT Details, datasheet, quote on part number: LMD. LMD Datasheet, LMD STMicroelectronics Operational Amplifier Datasheet, buy LMD.

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Feb 6, 2. Why did you replace an emitter-follower pull up device with a 47K resistor? This is a very large increase in output impedance, and introduces a phase shift and low pass filter into the second opamp’s feedback loop.

can anyone tell me why the waveform come out like this way not dc voltage

Posted by gaya3eeee in forum: Also, what is the function of Q2 in this circuit? After I modified the circuits, which Q1 was replaced with 47K resistor and I put diode between pin 7 and the base of Q3. Posted by sarkarnov in forum: I have an original circuits as follows: Nov 23, 8, 6, Note that low power devices are usually slow speed devices.


Quote of the day. You need a slower Pwm frequency or a faster op amp. Can anyone tell me what this cable assy is for?

LM258D Datasheet

Feb 16, 1. I don’t know if this saturated and the top was cut since this is very big output gain. Posted by rezash in forum: Do you already have an account? How does this happen? Feb 16, 2.

LMD Datasheet is attached. So, let’s take 13 microseconds 0. Digital Signal Processing in Scilab: That means 13 microSeconds going down and 13 microseconds going up. The datasheet says the slew rate is 0. 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 So, each valley is about 66 microSeconds apart at 15kHz.

That means, according to my calibrated eye, the valley is about 25 microsecond wide. Feb 18, 4. No, create an account now. Posted by Faizan Ahmad in forum: The output was as follows. Can anyone tell me why the waveform is lean towards the back? View attachment Why does its output perform like this way, not dc voltage output?



Aug 1, 7, 2, Feb 16, 3. View attachment Figure 4 Modified circuit Here is the modified circuit output, which is not my expectation. Looking at your o-scope output, my calibrated eye is fairly accurate and the datasheet is exactly right. Yes, my password is: