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Audio
Line Matching Transformer
Applications: Line matching in 600 & 900 Ω circuits with up to 10 mA d.c. imbalance.
TEA4989
TEA4989 is an Audio Line matching transformer with the following features. • • Low profile. Conforms to FCC part 68, Canadian CS 03 regulations.
MECHANICAL
1
6
3 TEA4989
4
1 2 3
All dimensions are in inches
6 5 4 TEA4989-1
DOT AT PIN 1
ELECTRICAL
TEA4989.CHP
TEA4989
TEA4989-1
Turns Ratio Insertion Loss Frequency Response Longitudinal Balance Winding Resistance Return Loss Dielectric Strength 1000 Hz 300 - 5000 Hz 300 - 5000Hz (1 - 3) (6 - 4) 300 - 5000 Hz
1:1 1.5 dB < 1.0 dB > 65 dB 88 Ω nom. 106 Ω nom. > 11 dB 1500 Vrms
1 c.t. : 1 c.t. 1.5 dB < 1.0 dB > 65 dB 88 Ω nom. 106 Ω nom.