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P1165 Datasheet(PDF) 2 Page - ETAL Group |
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P1165 Datasheet(HTML) 2 Page - ETAL Group |
2 / 7 page P1165 ETALDOC 78/22 Page 2 of 5 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 = 560Ω - - 1.5 dB Frequency response LF-3dB cutoff HF-3dB cutoff 200Hz - 4kHz - - - 30 15 - - - ±0.2 Hz kHz dB Return Loss 200Hz - 4kHz 18 - - dB Distortion (1) 0dBm in line, 3 rd Harmonic f = 600Hz f = 450Hz - - -76 -75 -72 -70 dBm dBm Balance DC – 5kHz Method TG25 80 - - dB Saturation Excitation 50Hz 250V rms. Output voltage across line - - - - 10 65 V rms V peak Voltage isolation (2) 50Hz DC 3.88 5.5 - - - - kVrms kV Operating range: Functional Storage Humidity Ambient temperature -25 –40 - - - - +85 +125 95 ºC ºC %R.H. Lumped equivalent circuit parameters as Fig. 1 DC resistance, RDC (3) Sum of windings 108 - 132 Ω Leakage inductance ΔL 6.5 - 7.5 mH Shunt inductance Lp (4) 100mV 200Hz 100mV 1kHz 2.25 - 4 2.5 10 - H H Shunt loss Rp (4) 10mV 200Hz 10mV 1kHz 8 12 - - - - k Ω k Ω Notes 1. Third harmonic typically exceeds other harmonics by 20dB. 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 choke or 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 Fig . 1 IDEAL 1:1 LINE EQUIPMENT ½ L ½ L ½ R ½ R |
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