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1:1 Line Isolation Transformer

<p>These line transformers provide isolation between modems or similar devices and telephone Iines. This transformer is designed for use in voice or data transmission circuits where the line DC is diverted from the windings by a choke or solid state device. The use of this transformer should enable the equipment it is used with to comply with the relevant requirements of <STRONG>BS6305</STRONG>.</p>
  • Ultra low profile surface mount
  • Matching transformer
  • Designed for use in data transmission circuits
  • Available in OEP1200 and OEP8000 versions
VTX-131-001 (OEP) 1200
Insertion loss1.5dB max @ 2kHz.
Return loss –20dB @ 200Hz-4kHz.
Isolation longitudinal 3.54kV RMS or 5kV DC.
Saturation 10V RMS 65V peak.
Balance better than 80dB 200Hz-4kHz.
Signal/noise ratio >33dB
DC resistance 68 ±10% (NB. not to be tested with a DC current)
VTX-134-002 (OEP) 8000
Turns Ratio 1:1,
Nominal Impedance600Ω
DCR per winding 111 (±15%)
Frequency response ±0.2dB (200Hz-4kHz)
Isolation, 50Hz >3.3kVrms min.
Return Loss –18dB min (200Hz-4kHz)
Insertion Loss 4dB max (2kHz/600 )
Longitudinal Balance>80dB
THD (typical)600Hz -89dBm-100dBm
Saturation<10Vrms, 65V peak. 50Hz
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