LB1004AC Search Results

Contextual Info: TELEPHONE TONE RINGER/RINGING DETECTOR LB1004AC PRELIMINARY Description The LB1004AC is a Full Feature Tone Ringer/Ringing Detector integrated circuit which simultaneously provides a ringer-output tone and a “ ringing-detected” output signal. TTie tone ringer portion of the device provides switchselectable output frequencies of 750,900,940, and 1200 Hz at independently selectable modulation rates of 7.5,10,15,

Contextual Info: s G E-THOMSON 0 7 E D | 7 ^ 2 3 7 81C 1 9 1 1 8 - 0D12T47 û | T 7 ^ - 0 7 ' IL. D P R E L IM IN A R Y DATA AN AT&T PRODUCT FULL-FEATURE TELEPHONE TONE RINGER/RINGING DETECTOR • COMPLETE TELEPHONE BELL REPLACE­ MENT WITH CAPABILITY OF 32 SWITCHSELECTABLE ALERTER TONES