Product Specification

MF609A

Data sheet subject to change without notice

RDPS-MF038(R0)01/23/2002

SHEET 5 OF 12

4.3. Electrical specification :

The low pass filter shall satisfy the following parametric limits with a complex impedance

ZNL shown in this table across the Line side of this device . The following requirement is

specified for a single splitter.

Electrical requirements

Splitter parameter

Range

values

Frequency range

Splitter bandwith

DC to 3.4KHz

Nominal voice band

200Hz to 4KHz

Billing tone

12KHz

±80Hz

Ringing frequency

17Hz to 23Hz

ADSL band

25KHz to 12MHz

Line Impedance ZNL

1330ohm // (348ohm

|| 0.1µF)

Modem impedance

100 ohm

Operation voltage voice band

Nominal signal

21mVpp to 5.4 Vpp

Billing tone

10Vpp to 30.2Vpp

Ringing signal

40Vrms to 106Vrms(113Vpp to

424 Vpp)

DC voltage

0V to -80V ANSI 6.98

Max. AC voltage

150Vrms with -105VDC offset

Max. differential

320V

Current voice band

Loop current

<90mA

Transient current(on/off hook)

<90mA

DC Resistance

DC Resistance

<25 ohm

Isolation resistance tip/ring

>5 Mohm

Voice –band characteristic

Insertion loss (one splitter) on hook 1004Hz

<1.5 ~ -0.5 dB

Insertion loss (with four added

parallel filters)

1004Hz

<6.5 ~ -1.0 dB

Insertion loss (one splitter) off hook 1004Hz

<0.5 ~ -0.5 dB

Insertion loss (multiple five filters)

1004Hz

<1.0 ~ -1.0 dB