Frequency synthesizer

Abstract

Abstract A FREQUENCY SYNTHESIZER PRODUCING AN OUTPUT SIGNAL VARIABLE THROUGH PREDETERMINED UNIFORM FREQUENCY STEPS OF RELATIVELY SMALL INCREMENTAL VALUE HAVING TWO FIXED INPUT REFERENCE FREQUENCIES GENERATED FROM, GENERALLY, A HIGHER SINGLE FREQUENCY STANDARD AND WITH THE TWO REFERENCE FREQUENCIES DIFFERING BY A RELATIVELY SMALL QUANTITATIVE FREQUENCY VALUE EQUAL TO THE SMALLEST UNIFORM INCREMENTAL VALUE FREQUENCY ADJUSTMENT STEP PROVIDED IN A VARIABLE INJECTION FREQUENCY OUTPUT AND MUCH SMALLER THAN ANY FREQUENCY STEP ADJUSTMENT AVAILABLE WITH ADJUSTMENT OF ONE PHASE LOCKED LOOP ALONE OF AT LEAST TWO PHASE LOCKED LOOPS EACH WITH SELECTIVELY CONTROLLED DIVIDERS COOPERATIVELY TOGETHER PROVIDING THE RESULTANT SMALL INCREMENTAL VALUE FREQUENCY STEPS IN THE VARIABLE INJECTION FREQUENCY OUTPUT THROUGH AN EXTENDED FREQUENCY RANGE FOR UTILIZING EQUIPMENT.

Inventors

• 👤 Robert D Tollefson

Bibliographic Details