Precision SSB Crystal Units

The report deals with the history, theoretical model, and derived postulates of design, processing, and measurement of fundamental mode 5 MHz quartz crystal resonators capable of reaching an aging rate of 2 x 10 to the minus 10th power per week within eight weeks and withstanding wide range temperat...

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Bibliographic Details
Main Authors: Silver,John F, Migas,James B
Format: Report
Language:English
Subjects:
Crystals
Electrical and Electronic Equipment
Precision
Quartz
Quartz resonators
Resonators
Sidebands
Single sideband communications
Online Access:Request full text
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Summary:The report deals with the history, theoretical model, and derived postulates of design, processing, and measurement of fundamental mode 5 MHz quartz crystal resonators capable of reaching an aging rate of 2 x 10 to the minus 10th power per week within eight weeks and withstanding wide range temperature cycling with no more than plus or minus 1 x 10 to the minus 8th power permanent shift in frequency per temperature cycle. Experimental work has been limited to attempts to replace bonding cements with electro-plated nickel bonds and thereby obtain optimal advantage from the higher temperature processing capabilities so afforded. The results of this work are generally promising. (Author) See also AD-751 748.