: To test the decoder, you need a DTMF signal source. You can use a "Virtual Phone" or a DTMF generator found under "Virtual Instruments" in Proteus.
By default, standard versions of Proteus (like 8.6, 8.8, or 8.13) do not always include the MT8870 in the built-in library search under that exact name. mt8870 proteus lib 35
In the context of the MT8870 and Proteus, "35" likely refers to: : To test the decoder, you need a DTMF signal source
The specific you are currently running. Share public link : To test the decoder
: The index file that allows the Proteus library manager to search for and identify the component. Simulation Model (optional)