High guys.
Currently building a common slope detector (differentiator) with an ordinary o-pamp..
I was wondering, could I change the common opamp with an OTA (Operational Transconductance Amplifier) like LM13700 and achieve an "adaptive center weighted median filter" to act as state-variable slope detector (i.e parameter to adjust would be slope, not frequency)??
I want it to filter out "impulsive noise" from audio sources (a rythm song), such as clicks and pops on vinyl records..Understand?
Thanks in advance,
xmat.
PS: Some circuit references (such as from NS application hints) would be great...
Currently building a common slope detector (differentiator) with an ordinary o-pamp..
I was wondering, could I change the common opamp with an OTA (Operational Transconductance Amplifier) like LM13700 and achieve an "adaptive center weighted median filter" to act as state-variable slope detector (i.e parameter to adjust would be slope, not frequency)??
I want it to filter out "impulsive noise" from audio sources (a rythm song), such as clicks and pops on vinyl records..Understand?
Thanks in advance,
xmat.
PS: Some circuit references (such as from NS application hints) would be great...