TEW4923-4 [FILTRAN]
ISDN S-Bus Input/Output Transformer; ISDN S总线输入/输出变压器
| 型号： | TEW4923-4 |
| 厂家： | 
FILTRAN LTD |
| 描述： | ISDN S-Bus Input/Output Transformer |
| 文件： | 总1页 (文件大小：55K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ISDN S-Bus
Input/Output Transformer
TEW4923
TEW4923 is designed/approved for TEW4923
AMD
79C30A
use as an input/output transformer
in the ISDN S-Interface.
“
”
“
”
“
National TP3420
Siemens PEB2080
Siemens PEB2081
Siemens PEB2085
Siemens PEB2086
Features
•
Certified to the safety re-
quirements of :
TEW4923 - 1
Intel
29C53
EN41003 and EN60959.
BABT CR/T/0053.
TEW4923 - 2
Mitel
Mitel
Mitel
MT8930A
MT8930B
MT8931B
“
”
•
Fully encapsulated in epoxy
for mechanical protection
and to insure the dielectric
strength requirements.
TEW4923 - 3
Motorola MC145474
Motorola MC145475
TEW4923 - 4
Motorola MC145574
MECHANICAL
1
2
3
6
5
6
5
4
1
3
4
TEW4923, -1 and -3
TEW4923-2
3
1
4
5
6
MT8930A/B
1
3
6
5
4
WHITE DOT
AT PIN 1
Connection of TEW4923-2
ELECTRICAL
Turns ratio
TEW4923
TEW4923-1
1.8 : 1
TEW4923-2
TEW4923-3
TEW4923-4
2.5 : 1
(1 - 3) : (6 - 4)
2 : 1
2 : 1
1 : 1
DCR
(Ohms)
(mH)
(1 - 3)
(6 - 4)
5.4
2.7
6.7
3.2
8.4
3.7
3.7
3.2
12.8
3.2
Inductance
(6 - 4)
(6 - 4)
> 22
< 6.0
> 54
> 22
< 6.0
> 54
> 22
< 12
> 54
> 22
< 6.0
> 54
> 22
< 12
> 54
Leakage Ind. (µH)
L..C.L. (dB)
10 - 300 KHz
Output/Input Impedance
Pulse Shape
Conforms to the impedance mask given in CCITT I.430.
Conforms to the pulse mask given in CCITT I.430 with
50 and 400 ohms terminations.
Dielectric Strength
(Volts rms)
4000
4000
4000
4000
4000
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada, K2E 7K3,
Tel: (613) 226-1626, Fax: (613) 226-7124
3-8
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