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U4055B |
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| Part Number | U4055B |
| Manufacturer | TEMIC Semiconductors |
| Description | The U4055B electronic speech circuit is a linear integrated circuit for use in telephone and other line fed terminal equipment. It replaces the common speech circuit with carbon microphone, hybrid tra... |
| Features |
www.DataSheet4U.com
D An electronic circuit replaces the microphone hybrid transformer D Symmetrical input for dynamic or piezo microphone D High performance through the use of dynamic transducers as the earphone (non-linear distortion 2 %)
D DTMF interface with muting D Supply voltage for dialer D High range of line feeding current D Input resistance independent of line current and sidetone suppression circuit. D Built-in ear protection by earphone voltage limiter D Operation possible from 8 mA
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D Automatic line loss compensation
U4055B1: High level mute; U4055B: Low level mute
Figure 1... |
| Document |
 U4055B Data Sheet
PDF 176.79KB |
Similar Datasheet
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | U4055B1 |
TEMIC Semiconductors |
Low-Voltage Electronic Speech Circuit |
|
| 2 | U405 |
Siliconix |
N-Channel JFETs |
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| 3 | U405 |
Calogic LLC |
Dual N-Channel JFET Switch |
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| 4 | U4050B |
TEMIC Semiconductors |
Speech Circuit |
|
| 5 | U401 |
Calogic LLC |
Dual N-Channel JFET Switch |
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| 6 | U401 |
Siliconix |
N-Channel JFETs |
|
Desde 2024. D4U Semiconductor.
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