FILTRAN TEW4976-2

CEPT/T1
TEW4976
Output Transformer
TEW4976 is designed and
recommended to be used as a
transmit transformer in T1 and
CEPT applications with the
following devices:
Typical applications are:
CRYSTAL
CS61575
CS61535A, CS61574A,
CS6158A.
Level One
LXT304A, LXT305A
•
Primary rate ISDN network
nodes.
•
PBX or computer to T1/CEPT
Digital Trunks.
•
TDM Multiplexers.
BABT certified for reinforced
insulation to EN60950 & EN41003
Complies with ANSI T1.408 and
CCITT I.431.
Cert # : CR/T/0052
MECHANICAL
6
1
Device
2 Line
4
All dimensions
are in inches
WHITE DOT
AT PIN 1
ISSUE: C,
95/04/25
TEW4976.chp
ELECTRICAL SPECIFICATIONS
Line Impedance
TEW4976 - 1
-2
-3
-4
100 Ω
75 Ω
120 Ω
120 Ω
75 Ω
1: 1.16 c.t
1 : 1 c.t
1 : 1.26 c.t
1 : 1.26
1:1
> 1.5
> 1.2
> 1.8
>1.8
T1
CEPT
CEPT
CEPT
> 40
> 40
> 40
> 40
4000
4000
4000
4000
(1 - 3)
(1 - 2)
Turns ratio
Inductance
(6 - 4) : (1 - 3)
(6 - 4) : (1 - 2)
(mH)
(1 - 3)
Pulse Mask
Longitud. Bal.
(dB )
Dielectric Strength (Vrms)
Filtran Limited
3
50 - 1.544 KHz
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3,
Tel : (613) 226 1626 Fax : (613) 226 7124
2-17