The device of the object of the listening comfort in the presence of fainting of the carrier in a chain of reception of an equipment fm / pm a narrow band, in particular by radiotelephony

摘要

Improved device of the sheet in a reception chain of an equipment fm / pm to narrow band, in particular in mobile telephony, including: - a head hf 11 situated at the output of the antenna 10; - at least a mixer 12, 16, receiving a signal of oscillator os1, os2; - a limiter circuit - amplifier 17; - a discriminator 18; - an amplification circuit bf 20; / p & & p & characterized in that, in order to improve the listening comfort of the user, it comprises first means 22 for regulating the level of the received signal, located in the chain after the discriminator and before the amplification circuit bf. / p & & p & application in particular to the field of radiotelephony.