| 摘要 |
PURPOSE:To relax dispersion in levels of incoming signals by decreasing a transmission level of the incoming signal to be sent more, based on a detection signal level, as the detection signal level increases. CONSTITUTION:A peak detection circuit 38 detects a peak level of a reception signal outputted from a preamplifier 35. In a relation between a detected voltage by the circuit 38 and a reception signal level, the detection voltage is increased more as the reception signal level is higher. A control circuit 39 provides an output of a control signal corresponding to the detection voltage from the circuit 38. Since a reception signal level of an outgoing signal in a subscriber unit remote from a station equipment is small, a drive circuit 32a is controlled so that transmission power of the incoming signal is increased. Moreover, since a reception signal level of an outgoing signal in a subscriber unit near the station equipment is high, the drive circuit 32a is controlled so that transmission power of the incoming signal is decreased. As a result, the reception level of the incoming signal in the station equipment is made almost constant. |
