Patent ID: 6049562
Filing Date: 2000-04-11
Classification: H04B

Abstract:
A method for controlling a multi-branch frequency-hopping receiver equipment used in a radio station, onto a desired frequency when a band-pass filter (BPF2) responsive to an external control signal (V.sub.BPF) has been arranged for each branch of the receiver equipment, the control signal (V.sub.BPF) of the band-pass filter being controlled in sync with frequency hopping, said method comprising;determining the control signals (V.sub.BPF) of the band-pass filter (BPF2) for each frequency (C) and each filter (BPF2) by calibrating said control signals (V.sub.BPF) for each frequency and for each filter;storing, in a tuning voltage memory (TVM), digital representations of the control signals determined in said determining step;retrieving the digital representations of the control signals (V.sub.BPF) of the band-pass filter (BPF2) from the memory (TVM) in sync with frequency hopping; andconverting the retrieved digital representations into control signals of the band-pass filter (BPF2).