In this article we study an op amp based millivolt meter circuit designed to measure AC millivolts accurately, I have explained the details from the following explanation. The circuit shown below can be used to measure DC potentials in the range of milli-volts. The circuit is highly sensitive and is calibrated to measure voltages in […]
741
Op amp IC 741 Datasheet, Pinout, Applications
The 741 is a popular general-purpose operational amplifier (op-amp) IC that was introduced by Fairchild Semiconductor in 1968. It has since become one of the most widely used op-amp ICs in the world, due to its versatility and low cost. Below is a typical datasheet for the IC 741: General Specifications: Pinout Configuration: The pinout […]
Comparator Circuits using IC 741, IC 311, IC 339
The basic function of a comparator circuit to compare two voltage levels at its input pins and produce an output to show which input voltage has higher potential than the other. In this article we will elaborately learn how to correctly design comparator circuits using popular ICs like IC 741, IC 311 and IC LM339 […]
IC LM321 Datasheet – IC 741 Equivalent
The IC LM321 is the single op amp version of LM324 which is a quad op amp IC and carries 4 of these ICs in one package. Therefore for applications which demand a single op amp with the attributes of the versatile LM324, in such cases this single op amp can be utilized effectively. For […]
How to Set IC 741 for Auto Cut-oFF
In this post I have explained how to set or adjust an opamp 741 IC based battery charger circuit for implementing an automatic cut-off for the connected battery once it reaches the full-charge level. Since I have many such IC 741 battery charger circuits posted here, the instructions will be helpful for correctly setting up […]