V.90
Modem transformer
7197
The 7197 is designed for V.90 applications to reflect 600 ohms on PRI
with 287ohms on SEC.
• Designed to IEC950 supplementary insulation.
• Low distortion, specifically designed for V.90 applications
• Available in tape and reel.
Mechanical and Schematic
(All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC
ELECTRICAL SPECIFICATION @ 25˚C
7197
Part
Number
Turns
Ratio
±1%
Inductance
(H min.)
DCR @ 20˚C
(Ω ±10%)
Frequency
Response
(dB)
Return
Loss
(dB min.)
Insertion
Loss
(dB max.)
200-4000Hz,
@1000Hz
Total Harmonic
Distortion
(dB max.)
Hipot
(VAC)
13/03/02
(PRI):(SEC)
1kHz, 1.0V
(1-3)
PRI
SEC
200-4000Hz
200-4000Hz
600Hz, -10dBm
PRI-SEC
7197
ISSUE: A
1:1
1.5
155
145
±0.25
14
3.85
-82
1650
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