THERMOELECTRIC TEMPERATURE CONTROL IN AN/URQ-9 FREQUENCY STANDARD

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Abstract:

Modified ovens have been installed in one ANURQ-9 Frequency Standard. The performance of the modified ovens is such that in an ambient temperature from 0 C to 45 C the crystal is maintained at a temperature from 20 C to 28 C regulated to an accuracy of at least 0.01 C. Author

Author(s):
Sickert, R. G. ; Martz, A. F.
Author Organization(s):
WHIRLPOOL CORP ST JOSEPH MICH
Annotation:
CRYSTAL CHAMBER IN WHICH INTERNAL TEMPERATURE IS MAINTAINED BY THERMOELECTRIC COOLING AND JOULE HEATING AT A NOMINAL 25 C PLUS OR MINUS 0.01 C THROUGHOUT AND AMBIENT TEMPERATURE RANGE OF 0 C TO 50 C.
Pagination:
0001

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Contract/Grant Number(s):
NOBSR85314
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*CRYSTAL OVENS, *TEMPERATURE CONTROL, *THERMOELECTRICITY, COOLING, CRYSTALS, DESIGN, FREQUENCY, HEAT TRANSFER, OSCILLATORS, RADIOFREQUENCY, STANDARDS, TEMPERATURE, TESTS, TRANSISTORS
Keyword(s):
AN URQ 9, FREQUENCY STANDARDS
Report Date:
1962 May 24