| 摘要 |
<p>The circuit is intended for a remotely-powered telephone set comprising a telephone handset and makes it possible to provide for at least the transmission and outgoing call-dialling signal generation functions and to react to incoming calls. It comprises means for handling the available line current (I1) providing for, in priority, the logic functions required for operation, then the transmission functions and possibly amplified listening. <IMAGE></p> |
