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P3176 Datasheet(PDF) 2 Page - ETAL Group |
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P3176 Datasheet(HTML) 2 Page - ETAL Group |
2 / 4 page P3176 ETALDOC 575/9 Page 2 of 4 February 2006 SPECIFICATIONS Electrical At T = 25ºC and as circuit Fig. 2 unless otherwise stated. Parameter Conditions Min Typ Max Units Insertion Loss f = 2kHz, RL = 510Ω - 2.5 - dB Frequency Response LF -3dB cutoff HF -3dB cutoff 100Hz - 4kHz - - - 10 6 ±0.6 - - - Hz kHz dB Return Loss 200Hz - 4kHz 16 - - dB Third Harmonic Distortion (1) 450Hz 0dBm in line 150Hz -3dBm in line - - -85 -78 - - dBm dBm Saturation Excitation 50Hz 250Vrms. Output voltage across line - - - - 10 65 Vrms Vpeak Voltage isolation (2) 50Hz DC 3.88 5.5 - - - - kVrms kV Operating range: Functional Storage Ambient temperature -25 -40 - - +85 +125 ºC ºC Lumped equivalent circuit parameters as Fig. 1 DC resistance, RDC (3) Sum of windings 180 - 220 Ω Leakage inductance ΔL 22.3 - 27.7 mH Shunt inductance Lp (4) 10mV 200Hz 8.5 11 - H Shunt loss Rp (4) 10mV 200Hz 17 25 - k Ω Notes 1. Third harmonic typically exceeds other harmonics by 10dB. 2. Components are 100% tested at 6.5kV DC. 3. Caution: do not pass DC through windings. Telephone line current, etc. must be diverted using semiconductor line hold circuit. 4. At signal levels greater than 100mV, Lp will increase and Rp will decrease slightly but the effect is usually favourable to the return loss characteristic. Equivalent Circuit IDEAL 1:1 LINE EQUIPMENT Fig 1 |
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