TL084


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phil99

Guru

Joined: 11/02/2018
Location: Australia
Posts: 2301
Posted: 09:32pm 24 Oct 2023      

For a breadboard test of any op-amp connect one input to a voltage divider (2 x 10k resistors in series to V+ ang Gnd.). The other input is connected to the wiper of a pot (10k to 100k) with the outer legs to V+ ang Gnd.
As you turn the pot slowly from one end to the other the op-amp output should abruptly switch from high to low or vice-versa as you pass through the mid point.

In-circuit testing depends on what the circuit is. Post a circuit diagram and description of what it is supposed to do.

Edit
The breadboard test needs to be done for each of the 4 op-amps in the package.
Edited 2023-10-25 07:43 by phil99