| Part Number | U4030B |
| Manufacturer | TEMIC Semiconductors |
| Title | Telephone Speech Circuit |
| Description | The U4030B is an electronic speech circuit for standard and feature telephones. It replaces the hybrid transformer, earphone and microphone interf... |
| Features |
D Microphone amplifier with – Symmetrical input – Privacy function – Anticlipping D Built in ear protection D Power down input D Mute input D DTMF interface D Low line impedance during pulse dialing Benefits D Independent adjustment of – Transmissio... |
| Datasheet |
 U4030B Datasheet 142.94KB |
