H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
H03H2/008—Receiver or amplifier input circuits
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/06—Receivers
H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
H04B1/1018—Means associated with receiver for limiting or suppressing noise or interference noise filters connected between the power supply and the receiver
Utilisation d'un transistor a effet de champ, du type a double-grille et ile ohmique intercalee, en vue de la rejection d'une bande de frequences