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Composite signal generation IC in DIFAR Sonobuoys

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m_t_c

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Hi all

I came to know about an old IC called probably "HE100" which was being used in DIFAR Sonobuoys for generation of composite signal. This IC takes 'Omni', 'Sin and Cosine Dipoles' signals as input and generates composite signals using internally generated 7.5 KHz and 15 KHz carriers. This IC also had some commercial uses so it was available in market for some time. This IC has been discontinued (obsolete) for quite some time.
Does any one has information about such IC? If some one can share its data sheet, it will be of great help.

Thanks
 

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