Latest activity
-
Ddanadak replied to the thread Opamp circuit clarification.You are running a transient solution, 10 mS, is the OP747 settled yet given the internal compensation C and other miller effects of...
-
-
Electric1 replied to the thread Opamp circuit clarification.I am trying to solve not really homework problem. I do not know how to add bias current and analyze the circuit, I have re written the...
-
-
Electric1 replied to the thread Opamp circuit clarification.I applied the Kirchoff's rules to the below circuit and derived the below equation of the voltage at the noninverting input V+ = (1.65V...
-
-
Electric1 replied to the thread Opamp circuit clarification.My actual circuit is as below i am sorry that i am going in steps to understand what the circuit does in one go it is quite challenging...
-
-
That's to be expected as the gain is 1.00378. When you replace the OP747 by an ideal opamp, e.g. UniversalOpAmp from the LTSPICE...
-
Electric1 replied to the thread Opamp circuit clarification.Ok now i understand if i take a higher input voltage of 10V the output value is now 10.04V
-
-
Hello, An ideal opamp would have zero input current. The LM747 has an input current between 80 and 500 nA. I do not know what current...
-
I get the following - The NSC datasheet shows - The markers closest to opamp inputs are current measuring, all the others V...
-
Ddanadak replied to the thread Opamp circuit clarification.I get the following - The NSC datasheet shows - The markers closest to opamp inputs are current measuring, all the others V...
-
-
davenn replied to the thread Hello, Welcome! (Introduce yourself).welcome aboard :) Dave -
Hello to everyone! I am Giulio from Trieste (Italy). I play with electronics during free time.
-
How are we supposed to help when you don't show a schematic of your circuit?
-
I am trying to analyze the below Opamp circuit I have picked a random opamp in Ltspice. I can understand that it is non inverting...
-
-
DDpunkr1 replied to the thread Help me to build a Dc ups.Hi, harald,,this is the mosfet I got to make the circuit with,,please help
-
Dcustom UPS for your Lenovo ThinkCentre M72p using 2x IRF4950 MOSFETs and a 12V 30Ah LiFePO4 battery. The design takes your existing 19V...
-
