Dephaser circuit

Details Dephaser circuit Dephaser circuit

1977-12-02

1980-07-29

Heyman, John S.

328155, H03K 518

Patent

active

042153140

ABSTRACT:
The invention relates to a phase-shifting circuit for providing a signal out of phase by an amount .DELTA..PHI. digitally predetermined with respect to the phase of a reference signal and which can be any function of time or another variable or a constant. The circuit comprises a digital divider receiving an input reference signal and delivering an output signal whose phase is measured by a number detected at the set of outputs of the divider, this number being fed to the input of a digital arithmetic circuit to be therein added to a signal delivered by a binary number generator which determines the phase-shift .DELTA..PHI.. The output of the arithmetic circuit is a signal out of phase of an amount .DELTA..PHI. with respect to the signal at the output of the divider circuit.

REFERENCES:
patent: 3500214 (1970-03-01), Broadhead et al.
patent: 3629715 (1971-12-01), Brown
patent: 3714589 (1973-01-01), Lewis
patent: 3833854 (1974-09-01), Schonover
patent: 4013969 (1977-03-01), Dennison
patent: 4095186 (1978-06-01), Vesel

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