.~.~ In radio frequency amplifier, intermediate frequency amplifier or converter circuit
DEFINITION
Classification: 455/311
In radio frequency amplifier, intermediate frequency amplifier or converter circuit:
(under subclass 296) Subject matter in which the noise or interference reduction means forms an integral part of or is
associated with the circuitry of the radio frequency amplifier, frequency converter, intermediate frequency amplifiers of the receiver stages or the coupling circuit between any two of the three stages.
SEE OR SEARCH THIS CLASS, SUBCLASS:
307, for noise or interference reduction means comprising filter means. The filter means may be located anywhere in the system and may consist of either a single filter or a plurality of filters.
