Apparatus of the demodulation of a multiplex signal stereophonic modulation frequency

摘要

The invention relates to a demodulation of a multiplex signal stereophonic modulation frequency. / p & & p & the apparatus comprises a switching circuit 1 which receives a switching signal, a first current mirror circuit 10 which receives the input signal, and two other circuits of the current mirror 11, 31 associated with two circuits of the combination of signals 21, 41 in order to produce the signals of channel of the left and right channel. / p & & p & the invention applies in particular to 29 stereophonic modulation frequency powered at low voltage.