جهت استعلام قیمت با 66712131 تماس بگیرید
• package: DIP-18
• Brand : MOTOROLA
• Totally Upward Compatible with the MC3419
• All Key Parameters Externally Programmable
• Current Sensing Outputs Monitor Status of Both Tip and Ring Leads for Auxiliary Functions such as: Ground Key, Ring Trip, Message Waiting Lamp, etc.
• On-Hook Power Below 5.0 mW
• Digital Hook Status Output
• Powerdown Input
• Ground Fault Protection
• Operates from Single —20 V to —56 V Power Source
• Size and Weight Reduction Over Conventional Approaches
• The sale of this product is licensed under Patent No. 4,004,109. All royalties related to this patent are included in the unit price.
… designed as the heart of a circuit to provide BORSHT functions for telephone service in Central Office, PABX, and Subscriber Car-rier equipment. This circuit provides dc power for the telephone (Battery), Overvoltage protection, Supervision features such as hook status and dial pulsing, two-wire differential to four-wire single-ended conversions and suppression of longitudinal signals at the two-wire input (Hybrid), and facilitates ringing insertion, Ring trip detection and Testing.
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تهران -خ جمهوری - پاساژ امجد - طبقه زیر همکف - شماره 25
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