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HEWLETT-PACKARD
JOURNAL
T E C H N I C A L I N F O R M A T I O N F R O M T H E - h p . L A B O R A T O R I E S
Vol. 15, No. 9
JBLISHED BY THE HEWLETT-PACKARD COMPANY, 1501 PAGE MILL ROAD, PALO ALTO, CALIFORNIA MAY, 1964
A 0-50 Me Frequency Synthesizer with
Excellent Stability, Fast Switching, and Fine Resolution
DIGITAL FREQUENCY SYNTHESIS A.S THE ELECTRONIC art has advanced, so has the
About twelve years ago the digital frequency counter made its
commercial debut. It revolutionized the art of frequency meas
need for variable-frequency signal sources of high
urement; and a tedious, complex process of multiple hetero stabilities