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

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

µH34 - 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