TEMIC Semiconductors U4076B - Three-Tone Ringer for Telephone Sets U4076B Three-Tone Ringer for Telephone Sets Description The three-tone ringing integrated circuit U4076B, in conjunction with a piezo transducer or lo (13 views)
TEMIC Semiconductors U4076B-FL - Three-Tone Ringer for Telephone Sets U4076B Three-Tone Ringer for Telephone Sets Description The three-tone ringing integrated circuit U4076B, in conjunction with a piezo transducer or lo (8 views)
National Semiconductor LMC1983 - Digitally-Controlled Stereo Tone and Volume Circuit with Three Selectable Stereo Inputs LMC1983 Digitally-Controlled Stereo Tone and Volume Circuit with Three Selectable Stereo Inputs August 1992 LMC1983 Digitally-Controlled Stereo Tone (6 views)