cfs 2914 is an adjustable inductor (clock extrac- tor coil) for mitel mh89790 device. the mh89790 has a built in clock extraction cir- cuit, which creates a 2.048 mhz clock synchro- nized to the received e2 signal. the free-running frequency of the oscillator is controlled by an exter- nal tunable inductor. the inductor should be tuned to provide a frequency of 2.048 mhz 200 hz. typical applications are: pbx or computer to t1/cept digital trunks. high speed data link using t1/cept digital trunks. tdm multiplexers. isdn voice/data. filtran limited 229 colonnade road, nepean, ontario, canada. k2e 7k3 2-12 tel : (613) 226 1626 fax : (613) 226 7124 issue : c, 94/112/12 CFS2914.chp cept adjustable inductor cfs 2914 ground pin 0.1 x 0.1 grid hole pattern 0.50 " max 0.375" max 0.50" max 0.020" dia 0.13" min 0.040" dia view in mounting direction 1 3 2 1 3 4 inductance range m h34-39 dc resistance ohms 6.5 nom. distributed capacitance pf 2.5 nom. electrical specifications mechanical CFS2914 cept clock extr. coil. through hole standard ................................................... 2-12
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