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U4076B Datasheet - Temic

U4076B Datasheet PDF Temic Semiconductors

Part Name
U4076B

Other PDF
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PDF

page
6 Pages

File Size
63.9 kB

MFG CO.
Temic
Temic Semiconductors GO URL

Description
The three-tone ringing integrated circuit U4076B, in conjunction with a piezo transducer or loudspeaker replaces the normal electromechanical telephone bell. It is operated with the ringing current from the exchange. There is also a possibility of operating the IC with the dc supply voltage, being developed for large operating range. The integrated circuit is overload protected.


FEATUREs
● Three-tone ringing sequence with 800 Hz, 1067 Hz and 1333 Hz
● Sequence frequency adjustable between 2.5 Hz and 25 Hz
● Adjustable volume
● Push-pull output stage
● Piezo transducer or loudspeaker connection
● Common input for frequency and call recognition
● Reduced pulse duration for electromagnetic transducers
● Clock oscillator with ceramic resonator or LC series cct possible
● Input protective diode
● On-chip rectifier bridge
● Protection circuit against ringing in a parallel circuit


Benefit
● Suitable for German Post Office Specification, FTZ 121671 Pfl. 3, edition dated 24.03.82

Page Link's: 1  2  3  4  5  6 

Part Name
Description
PDF
MFG CO.
TELEPHONE TONE RINGER
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TELEPHONE TONE RINGER
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TELEPHONE TONE RINGER ( Rev : 2014 )
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TELEPHONE TONE RINGER
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Tone Ringer For Telephone Set
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