U4076B-FL |
Part Number | U4076B-FL |
Manufacturer | TEMIC Semiconductors |
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 fr... |
Features |
D Three-tone ringing sequence with 800 Hz, 1067 Hz
and 1333 Hz
D Clock oscillator with ceramic resonator or LC series
cct possible
D Sequence frequency adjustable between 2.5 Hz and
25 Hz
D Input protective diode D On-chip rectifier bridge D Protection circuit against ringing in a parallel circuit
D D D D D
Adjustable volume Push-pull output stage Piezo transducer or loudspeaker connection Common input for frequency and call recognition Reduced pulse duration for electromagnetic transducers
Benefit
D Suitable for German Post Office Specification,
FTZ 121671 Pfl. 3, edition dated 24.03.82... |
Document |
U4076B-FL Data Sheet
PDF 90.25KB |
Distributor | Stock | Price | Buy |
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No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | U4076B |
TEMIC Semiconductors |
Three-Tone Ringer for Telephone Sets | |
2 | U4070B-FP |
TEMIC Semiconductors |
Tone Ringer Interface | |
3 | U4074B |
TEMIC Semiconductors |
Tone Ringer Interface | |
4 | U401 |
Calogic LLC |
Dual N-Channel JFET Switch | |
5 | U401 |
Siliconix |
N-Channel JFETs |