2793A Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – MODEM MAGNETICS European V.34 Modem Transformer

MODEM MAGNETICS
European V.34 Modem Transformer
TM00406
• Provides isolation and very low harmonic distortion
• Impedance matching for various countries can be
achieved using the appropriate resistor and capacitor
values
• Qualified per Bellcore TR-TSY-000357-1
• Approved for use in applications requiring reinforced
insulation
• Approved by UL, CSA and BABT
• Minimum interwinding breakdown voltage 3000 Vrms
ELECTRICAL SPECIFICATIONS at 25° C
Part
Number
Turns Ratio
± 2%
Insertion
Loss
dB
Return Loss
dB
Frequency
Response
dB
@ 1 kHz 300 Hz - 3500 Hz 100 Hz - 4 kHz
DCR
Ω
max
Pri
Sec
2793A
1:1
< 2.0
> 20
< 1.2
115
115
Harmonic
Distortion
dB
-10 dBm,
600 Hz
Longitudinal
Balance
dB
300 Hz - 3500 Hz
> 90
> 60
SCHEMATIC
2793A
1
6
3
Primary
4
Secondary
TYPICAL SPICE TRANSMISSION MODEL
94
24.5 mH
94
1
10 pF
3
65 k
17 H
6
10 pF
4
©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
T4-13