Audio
Line Matching Transformer
Applications:
Interfacing subscriber equipment to
a 600Ω 2-wire subscriber line, and
where DC handling capability is
required.
TLA6821-1
TLA6821-1 is a split winding Line Matching
Transformer with the following features:
•
•
•
Good magnetic shielding.
High Longitudinal Balance.
DC capability, 100 mA.
MECHANICAL AND SCHEMATIC
(All dimensions in inches)
SUGGESTED PCB PINOUT
SCHEMATIC
ELECTRICAL SPECIFICATIONS @ 25°C
TLA6821-1 has the following performance when terminated with 600Ω, and up to 100 mA DC in either primary or secondary
windings.
Insertion
Loss
(dB)
@ 1KHz
<0.7
Frequency
Response
(dB)
150 Hz-
3400 Hz
<0.5
Return
Loss
(dB)
300 Hz-
3400Hz
>18
Longitudinal
Balance
(dB)
300 Hz-
3400 Hz
>60
Issue A 13/07/01
Part
Number
2-3 & 4-5
6821-1
17.5 ea
DCR
(Ω)
8-9 & 10-11
20.8 ea
Distortion
@ 200Hz,
0 dBm
<0.5%
Crosstalk
(dB)
@ 1.00”
spacing
75
Hipot
(Vrms)
1500
Filtran Limited
An
ISO 9001
Registered Company
229 Colonnade Road, Nepean, Ontario,Canada. K2E 7K3,
Tel: (613) 226-1626
Fax: (613) 226-7124
www.filtran.com