Datasheet Details
| Part number | U4082B |
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| Manufacturer | Unisonic Technologies |
| File Size | 343.85 KB |
| Description | VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
| Datasheet |
 U4082B Datasheet
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| Part number | U4082B |
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| Manufacturer | Unisonic Technologies |
| File Size | 343.85 KB |
| Description | VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
| Datasheet |
U4082B Datasheet
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As a voice switched speaker-phone integrated circuit, the UTC U4082B includes the necessary amplifiers, attenuators, level detectors and control algorithm.
To form the UTC U4082B’s internal circuit, there is an internal microphone amplifier with adjustable gain and mute control, internal transmit and Receive attenuators (operate in a complementary manner), level detectors at both input and output of both attenuators, and background noise monitors for both the transmit and receive channels.
The dial tone can be pretended from being attenuated by the receive background noise monitor circuit by a dial tone detector.
UNISONIC TECHNOLOGIES CO., LTD U4082B LINEAR INTEGRATED CIRCUIT VOICE SWITCHED SPEAKER-PHONE CIRCUIT.
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