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U4090B |
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| Part Number | U4090B |
| Manufacturer | TEMIC Semiconductors |
| Description | The µc controlled telephone circuit U4090B is a linear integrated circuit for use in feature phones, answering machines and fax machines. It contains the speech circuit, tone ringer interface with dc/... |
| Features |
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DC characteristic adjustable Transmit and receive gain adjustable Symmetrical input of microphone amplifier Anti-clipping in transmit direction Automatic line loss compensation Symmetrical output of earpiece amplifier Built-in ear protection DTMF and MUTE input Adjustable sidetone suppression independent of sending and receiving amplification Speech circuit with two sidetone networks Built-in line detection circuit Integrated amplifier for loudhearing operation Anti-clipping for loudspeaker amplifier Improved acoustical feedback suppression Power down
D Voice swi... |
| Document |
 U4090B Data Sheet
PDF 677.24KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | U4091B |
TEMIC Semiconductors |
Programmable Telephone Audio Processor |
|
| 2 | U4091BM |
TEMIC Semiconductors |
Programmable Telephone Audio Processor |
|
| 3 | U4091BM-N |
ATMEL |
Programmable Telephone Audio Processor |
|
| 4 | U4092B |
TEMIC Semiconductors |
Monolithic Integrated Feature Phone Circuit |
|
| 5 | U401 |
Calogic LLC |
Dual N-Channel JFET Switch |
|