Title:
RECEIVER CIRCUIT
Document Type and Number:
Japanese Patent JPH0389633
Kind Code:
A
Abstract:
PURPOSE: To eliminate the necessity for an analog circuit for supplying a clock signal to a sampling data filter function by setting up a local oscillator, so that a 2nd frequency is made equal to a value obtained by a 1st frequency by a 3rd fixed element equal to K.N/(K.N±1). CONSTITUTION: The frequency F1 of a reference signal to be supplied by the local oscillator 7 is set up to F10 =K.N.F0 /(K.N±1), based on the frequency division ratio N of a frequency division circuit 10 and a coefficient K determined by the constitution of a filter 9. Thereby two different frequency values F10 , satisfying the foregoing functional condition in each frequency value F0 can be always determined independently of selected K and N values. Consequently, the need for an oscillator for supplying only a clock signal to a sampling data filter is eliminated.
Inventors:
JIYATSUKU MARUGERA
PIEERUUANDORE FUARIINU
DANIERU BETSUKU
PIEERUUANDORE FUARIINU
DANIERU BETSUKU
Application Number:
JP21724090A
Publication Date:
April 15, 1991
Filing Date:
August 20, 1990
Export Citation:
Assignee:
ASULAB SA
International Classes:
H04B1/26; H03D7/00; H03H17/00; H03H17/02; H03H19/00; (IPC1-7): H03H17/02; H04B1/26
Attorney, Agent or Firm:
Aoki Akira (4 outside)
Next Patent: JPH0389634