Text preview for : 1960-11.pdf part of Agilent 1960-11 Agilent journals 1960-11.pdf
Back to : 1960-11.pdf | Home
HEWLETT -PACKARD
JOURNAL
TECHNICAL INFORMATION FROM THE -hp- LABORATORIES
No. 3
JBLISHED BY THE HEWLETT-PACKARD COMPANY, 1501 PAGE MILL ROAD, PALO ALTO, CALIFORNIA NOVEMBER. 1960
A New Frequency/Time Standard
with 5 x 10'10/Day Stability
T N the electronics field the need continues in the precision of the 10-megacycle fre
strong for more and more precision in gen quency counter*, in secondary frequency
erating and controlling frequency. The ready standards, and in other developments to be
availability of higher precision in frequency announced.
is, for example, the keystone for higher pre Now, a new frequency /time standard has
cision in such work as navigation, missile been placed in production to make available
and satellite guidance and observation, sup- to those working with precision frequencies
pressed-carrier and narrow-band communi a standard with a stability rated at ±5 parts
cations, and in innumerable timing situa in 1010 per day. It is a standard in which per
tions. formance in every area has been optimized.
In its capacity of designer of precision Its stability ratings apply over a temperature
electronic instruments, the Hewlett-Packard range from 0° to 50°C with better stability
Company has been actively concerned with generally obtained under less severe envi-
the precision frequency problem, having re «LaThare N. Bodily and Leonard S. Cutler, "5 x ItHVWeek Time
Base Accuracy in the 10 MC Frequency Counter," Hewlett-Packard
cently made available substantial increases Journal, Volume 10, No. 3-4, Nov.-Dec., 1958.
/