|
Bandwidth:
2 kHz - 1 MHz
1
MHz - 2 MHz
|
< 1.0 dB
< 3.0 dB
|
|
Coil asymmetry (phantom asymmetry) line side
and telephone exchange side at 1.6 kHz
|
>
80 dB |
| Insulation resistor at
500 V DC, each half-coil against all the others and the case |
>
15 G |
|
Voltage resistance at 50 Hz, tested
during 2 min :
between primary and secondary between both
half-coils respectively telephone exchange side and line side
|
50 Hz - 10 kV rms
50 Hz - 15 kV rms
50 Hz - 20 kV rms
|
| Standard* impedance primary/secondary
(telephone exchange side/line side) |
75 / 150
± 1%
150 / 150
± 1%
75, 150, 600 / 1500
± 1%
|
