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Now downloading free:PHILIPS UBA1702  [report bad file]  

Download PHILIPS UBA1702 docs - Electronic circuits, electronic components datasheets and schematics

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File name:UBA1702_1702A_3.pdf
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Size:178 kB
MD5 Checksum:aac135273cff8a1eb1667e1051452420




Original Chassis:UBA1702A
Descr:Line interrupter driver and ringer
Group:Electronics > Components > Integrated circuits >
Uploaded:2004-03-09 16:09:21
Multipart:No multipart

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UBA1702_1702A_3.pdfINTEGRATED CIRCUITS DATA SHEET UBA1702; UBA1702A Line interrupter driver and ringer Product specification Supersedes data of 1996 Jan 09 File under Integrated Circuits, IC03 1997 Sep 29 Philips Semiconductors Product specification Line interrupter driver and ringer FEATURES Speech part Driver for the line interrupter that can be either a PMOST when UBA1702 is used or a PNP when UBA1702A is used Adjustable over-current protection Adjustable over-voltage protection for transmission circuit Adjustable mute (dialling mode voltage; DMO or NSA) Adjustable current loop detection (hook switch status) Microcontroller supply Provision for electronic hook switch. Ringer part Over-voltage protection Ringer frequency output for frequency discrimination Adjustable ringer threshold for piezo-driver enable Three bits ringer volume control Bridge-tied-load (BTL) output stage for piezo transducer Fast start-up microcontroller supply. APPLICATIONS Miscellaneous UBA1702; UB

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