As you have one more opamp left (U2B), wouldn't it make sense to dump the 40106 completely and replace it with an opamp based schmitt trigger? Especially as only one schmitt trigger is used from the 40106.
Saves one IC - but introduces some resistors.
As you have one more opamp left (U2B), wouldn't it make sense to dump the 40106 completely and replace it with an opamp based schmitt trigger? Especially as only one schmitt trigger is used from the 40106.
Saves one IC - but introduces some resistors.