6797 Datasheet, PDF (1/1 Pages) Filtran LTD – CEPT Matching Transformer

CEPT
Matching Transformer
6797
Specially designed to match a 120Ω twisted pair to a 75Ω coaxial line in the CEPT trunk.
Features:
• Small size
• Low cost
Applications:
• Digital subscriber lines.
• High speed data transmissionover twisted wire.
• Digital PABX line cards and telephone sets.
Mechanical and Schematic (All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC
ELECTRICAL SPECIFICATION @ 25˚C
Part
Number
Turns
Ratio
6797 1:1.272
Inductance
(mH MIN)
0.7
Line
Impedance
(Ω)
1-6 2-4
75 120
51KHz-
102KHz
>12
Return Loss
(dB MIN)
102KHz-
2048KHz
2048KHz-
3072-KHz
>18
>14
Longitudinal
Balance
(dB MIN)
1MHz
>40
Hipot
(Vrms)
1500
229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3
An ISO 9001 Registered Company Tel: [phone] Fax: [phone] www.filtran.com