H - Electricity – 03 – D
Patent
H - Electricity
03
D
H03D 7/18 (2006.01) H03B 21/02 (2006.01)
Patent
CA 2456658
A mixer circuit with image frequency rejection comprising a quadrature phase divider (30, 30') presenting an input connected to the input (F i) of the mixer circuit and two outputs respectively delivering two signals in phase quadrature which are applied respectively to two simple mixers (31, 32; 31', 32'), said mixer circuit comprising a quadrature phase and frequency divider (33, 33') having a frequency division ratio and presenting two inputs respectively connected to the respective outputs of the two simple mixers (31, 32; 31', 32') and a first output delivering a first output signal (F o) of the mixer circuit, which signal is applied to the inputs of the two simple mixers.
Circuit mélangeur à réjection de fréquence image comprenant un diviseur de phase en quadrature (30, 30') présentant une entrée reliée à l'entrée (F¿i?) du circuit mélangeur, et deux sorties délivrant respectivement deux signaux en quadrature de phase qui sont appliques respectivement à deux mélangeurs simples (31, 32 ; 31' 32'), ce circuit mélangeur comprenant un diviseur de fréquence et de phase en quadrature (33,33') ayant un rapport de division en fréquence, et présentant deux entrées connectées respectivement aux sorties respectives des deux mélangeurs simples (31, 32 ; 31' 32') et une première sortie délivrant un premier signal de sortie (F¿o?) du circuit mélangeur, qui est applique en entrée des deux mélangeurs simples.
Canard David
Jovenin Fabrice
Smart & Biggar
Stepmind
LandOfFree
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