Datasheet Details
| Part number | PBL38812 |
|---|---|
| Manufacturer | Ericsson |
| File Size | 133.97 KB |
| Description | Voice-switch circuit for Handsfree speakerphone TAM |
| Download | PBL38812 Download (PDF) |
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Overview: October 1999 PBL 388 12 PBL 388 12 Voice-switch circuit for Handsfree speakerphone.
| Part number | PBL38812 |
|---|---|
| Manufacturer | Ericsson |
| File Size | 133.97 KB |
| Description | Voice-switch circuit for Handsfree speakerphone TAM |
| Download | PBL38812 Download (PDF) |
|
|
|
The PBL 388 12 contains all the necessary circuitry, amplifiers, detectors, comparators and control functions to implement a high performance, voice-switched, ”hands-free ” function in an answering machine.
The gain dynamics (attenuation between channels) is settable (25dB or 50dB) via CTR pin that also control two mute levels.
A background noise detector in the transmitting channel reduces the influence of continuous noise signals.
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