7290 [FILTRAN]

AUDIO Line Matching Transformer; 音频线路匹配变压器


型号：	7290
厂家：	FILTRAN LTD
描述：	AUDIO Line Matching Transformer 音频线路匹配变压器变压器
文件：	总1页 (文件大小：116K)
中文：	中文翻译
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Line Matching Transformer

7290

AUDIO

TLA7290 is designed to interface telecommunications equipment to a telephone

line, capable of handling unbalanced DC.

Applications:

• Low profile

• Up to 30 mA unbalanced line current

• Exceeds the requirements of FCC Part 68 and CS 03

MECHANICAL AND SCHEMATIC (All dimensions in inches)

ELECTRICAL SPECIFICATION @ 25˚C

Line Impedance

Pri

Sec

Pri : Sec

Pri

600 Ω

150/150 Ω

1:1

Turns Ratio

D.C.R

50 Ω

Sec

20 + 20 Ω

1.2 dB max

1.5 dB max

> 65 dB

> 18 dB

30 mA

Insertion Loss

@ 1000 Hz

300 – 3500 Hz

@ 1.8 kHz

Frequency Response

Longitudinal Balance

Return Loss

DC Capability

Dielectric Strength

1500 Vrms

229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3

Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com

An ISO 9001 Registered Company

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