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rloss ; " /! Inputs Hz dB RSNPD = pF CSNOOP= Snoop Gain = Results Differential Snoop Gain = Single Ended Gain= Meg Ohms Snoop Corner = f SNOOP = f RING= V ring peak= Vp V ring RMS= V rms Minimum Detection Definitions:+ RSNPD is the resistor across the snoop pins RSNOOP =U Snoop Receive Gain and Ring Detect Voltage Calculation for LiteLinkII and LiteLinkIIIE RSNOOP is the total resistance of series snoop resistors in each legI f RING is the ring frequency, usually 15Hz to 68Hz with a nominal of 20Hz7 f SNOOP is the CID frequency, usually 1100Hz and 2200Hz$ CSNOOP is the capacitor in each legN This Excel spreadsheet can be used to customize CID (Caller ID) gain and ring detect voltage threshold for the CPC562x series of LITELINK products. As an input to the spreadsheet, various component values around the LITELINK snoop circuit can be changed and the corresponding CID gain and ring detect threshold voltage are displayed.W IXYS Integrated Circuits Division Application Note AN-117, Revision 4, Revised 4/7/2014 " Q Y k
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an-117.xls - Littelfuse - 8.1U3