| 摘要 |
1. Intermediate frequency channel of a receiver, in particular a television set, in which the input of a concentrated selectance filter is connected to the output of an initial amplifier, while the output of the concentrated selectance filter is connected to a terminal amplifier with AM detector, which is coupled to a high frequency tuner via an automatic amplification regulation circuit and automatic frequency regulation circuit, characterized in that connected in parallel to the concentrated selectance filter (3) is a converter (8) of intermediate frequency signals.<IMAGE>
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