| 摘要 |
In a P.C.M. coder, the polarity of an analogue input signal is first determined to control the setting of a bistable 23 providing one input to an Ex OR gate 24 which receives on its other input, in each of a plurality of time intervals a signal representing the result of comparison between the input signal, amplified by 2 in each interval, and a fixed reference level. <IMAGE> |
