IN9270 receiver equivalent, dtmf receiver.
leaving R to be selected by the designer. For example, a suitable value of R for a tREC of 40 ms would be 300 k. Differ.
NAME ESt PIN 16
DESCRIPTION
Early steering output. Presents a logic high immediately when the digital algorithm detects a recognizable tone-pair (signal condition). Any momentary loss of signal condition will cause ESt to return to a logic low. Gai.
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