Page 1
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 1 OF 12
File No RDPS-MF047
Revision R0
System Application Mirco Filter For ADSL CPE Side
Product Type Micro filter
Product Name MF603UK
Date Jul. 02th, 2002
Lucy Hung - Design Engineer, R&D_1
Issued By
Roger Wu - Manager, R&D_1
Approved By
Issued Date
YCL Electronics Co., Ltd.
No.95, Feng Jen Road, Feng Shan City, Kaohsiung County, Taiwan, R.O.C.
This controlled document is the property of YCL Electronics Co., Ltd. Any duplication
reproduction or transmission by unauthorized parties without the prior written
permission of YCL Electronics Co., Ltd. is prohibited.
Page 2
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 2 OF 12
Table of contents
Item Description Page
1. Introduction ----------------------------------------------- 3
2. Compatibility ----------------------------------------------- 3
3. References ----------------------------------------------- 4
4. Abbreviations ----------------------------------------------- 4
5.
Technical requirements
----------------------------------------------- 5
5.1. Schematic ----------------------------------------------- 5
5.2. ZHP-r definition ----------------------------------------------- 5
5.3. Electrical specification ----------------------------------------------- 6
5.4. DC characteristics ----------------------------------------------- 8
5.5. Test methods ----------------------------------------------- 8
5.5.1 . Off-hook insertion loss ----------------------------------------------- 8
5.5.2 . Return loss
----------------------------------------------- 9
5.5.2.1. Complex* return loss with ATU-R ----------------------------------------------- 9
5.5.2.2. 600 ohm return loss with ATU-R ----------------------------------------------- 9
6. Environmental conditions ----------------------------------------------- 10
6.1. Resistibility to overvoltages and
overcurrents
----------------------------------------------- 10
6.2 . Climatic conditions ----------------------------------------------- 10
6.2.1. Operating temperature ----------------------------------------------- 10
6.2.2. Storage and transport ----------------------------------------------- 10
6.2.3. Operation humidity ----------------------------------------------- 10
7. Reliability conditions ----------------------------------------------- 11
8. Mechanical conditions ----------------------------------------------- 12
8.1. Mechanical ----------------------------------------------- 12
8.2. Connector information ----------------------------------------------- 12
Page 3
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 3 OF 12
1. Introduction:
The in-Line Micro filter has been specifically designed to implement the functionality of low
pass filter in G.Lite system.G.Lite technology is similar to full rate ADSL in using DMT
technology but operates at a lower data rate of up to 1.5Mbps downstream and 512Kbps
upstream ,depending on line conditions and lengths.ADSL Lite is proposed as a lower speed
version of ADSL that will eliminate the need for telecom to install and maintain a premises
based POTS splitter. It was found necessary to include one or more low pass filters in series
with the POTS terminals in order to reliably achieve maximum data rates.
For POTS voice band service , the low pass filter provide protection from ADSL signal which
may impact through non-line or other effects remote devices(handset, fax, voice band modem
etc)and central office operation . For ADSL signal , it also provide protection from the high
frequency transient and impedance effect that occur during POTS operation(ringing
transients , on-hook,off-hook transient and so on).
Because the POTS splitter connects directly to the subscriber loop media , it must also
provide some protection for externally induced line hits or faults which could damage any
attached equipment or endanger humans interacting with the installed equipment.The circuit
protection will be provided mostly by standard central office line protection means and
additional protection measures built into pots splitter to protect against line overstress which
could damage the splitter itself.
2. Reference:
Ref. 1 : ETS 300 001 Attachment to Public Switched Telephone Network
Ref. 2 : ANSI T1E1.4 G.992.2 Network and Customer Installation Interface
Ref. 3 : ITU-T K20 Resistibility of telecommunication switching
Equipment to overvoltages and overcurrents
Ref. 4 : ITU-T K21 Resistibility of subscribers terminal to overvoltage and
overcurrents
Page 4
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 4 OF 12
3. Abbreviations:
ADSL Asymmetric Digital Subscriber Line
CO Central Office
CPE Customer Premise Equipment.
POTS Plain Old Telephone Service
RT Remote Terminal
ADSL-NT Network termination of ADSL
4. Abbreviations:
ADSL Asymmetric Digital Subscriber Line
CO Central Office
CPE Customer Premise Equipment.
POTS Plain Old Telephone Service
RT Remote Terminal
DSL-NT Network Termination of ADSL
Page 5
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 5 OF 12
5. Technical requirements:
5.1. Schematic:
The following drawing illustrates the schematic of this product.
5.2. ZHP-r definition:
To facilitate testing of the Single In-Line filter independently of the actual modem or specific
vendor, ZHP-r is defined to allow proper termination of the ADSL port during voice band
testing. The ZHP-r is valid only for voice band frequency. The combination of capacitors in
the ZHP-r is only representative. The input shall be 27 nF however derived. ZHP-r
equivalent circuit is shown below.
0.056 uF
0.056 uF
0.47 mH
100 ohms
Page 6
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 6 OF 12
5.3. Electrical specification:
The low pass filter shall satisfy the following parametric limits shown in this table across the
Line side of this device.
Electrical requirements
Splitter parameters
Range Values
Splitter bandwidth DC to 4 kHz
Nominal voice band 0.3 kHz to 3.4 kHz
Ringing frequency 15.3 Hz to 68 Hz
ADSL band 30 kHz to 1104 kHz
Line Impedance Z
L
300 Hz to 3.4 kHz 600 ohms
Line Impedance ZNL-r 300 Hz to 3.4 kHz 1330 ohm // (380 ohm // 0.1µF)
Modem impedance 30 kHz to 1104 kHz 100 ohms
Operation voltage voice band
Nominal signal 21 mVpp to 5.4 Vpp
Ringing signal 40 Vrms to 150 Vrms
( 113 Vpp to 424 Vpp )
DC voltage 0 V to 105 V
Max. AC voltage 150 Vrms with –105 VDC
offset
Max. differential 320 V
Operation current voice band
Loop current < 100 mA
DC resistance
DC resistance Tip to Tip and Ring to Ring < 50 ohms
Isolation resistance Tip to Ring > 10 Mohms
Differential input blocking impedance
20 kHz > 2 kohms
30 kHz > 3 kohms
5 MHz to 10 MHz > 2 kohms
Line side
10 MHz to 400 MHz N / A
Voice band characteristics
Insertion loss between 600 ohms
resistive single filter
1004 Hz < 0.7 dB
With 5 filters 1004 Hz < 1.0 dB
Page 7
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 7 OF 12
Electrical requirements
Splitter parameters
Range Values
Attenuation distortion between 600
ohms resistive single filter
200 to 4 kHz < 1.0 dB
Attenuation distortion between 600
ohms resistive with 5 filters
200 to 4 kHz < 5 dB
SRL-L > 23 dB
ERL > 23 dB600 ohms return loss single filter
SRL-H > 23 dB
SRL-L > 20 dB
ERL > 13.5 dB600 ohms return loss with 5 filters
SRL-H > 7 dB
SRL-L > 26.5 dB
ERL > 17 dBComplex* ZNL-r Return loss single filter
SRL-H > 9 dB
SRL-L > 15 dB
ERL > 8 dBComplex* ZNL-r return loss with 5 filters
SRL-H > 2 dB
* 1330 ohms in parallel with the series connection of a 348 ohms resistor and a 100 nF capacitor
200 Hz to 1 kHz > 58 dB
Longitudinal conversion loss ( LCL )
1 kHz to 3 kHz > 53 dB
Delay distortion 200Hz to 4 kHz < 100 µs
2nd > 57 dB
Inter-Modulation distortion
3nd > 60 dB
ADSL band characteristics
40 kHz > 45 dB
Common mode rejection
1.1 MHz > 45 dB
ADSL band attenuation 30 kHz > 24 dB
1 MHz > 65 dB
Page 8
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 8 OF 12
5.4. DC characteristics :
All requirements of this specification can be met in the presence of all POTS loop currents
from 0 mA to 100 mA. This Single In-Line filter can pass POTS tip-to-ring DC voltages of 0
V to 105 V and ringing signals of 40 Vrms to 150 Vrms at any frequencies from 15.3 Hz to
68 Hz superimposed on DC voltages in the range from 0 V to 105 V. The DC resistance
from tip-to-ring at the line port interface with the phone interface shorted, shall be less than
or equal to 50 ohms for one filter. The DC resistance from tip-to-ground and from ring-toground at the Phone interface with the Line interface open shall be greater than or equal to
10 Megohms. The ground point shall be local building or green wire ground. As an objective,
the DC resistance should exceed 10 MΩ.
5.5. Test methods :
5.5.1. Off-hook insertion loss :
The insertion loss of a device connected into a given transmission system is defined as
the ratio, expressed in dB, of the load power available ( before and after insertion )
delivered to the output network beyond the point of insertion at a given frequency. In
general, the insertion loss is defined as the ratio, expressed in dB of the power delivered
to a load with the circuit in place and the power delivered to a load without the circuit in
place. The added insertion loss shall be measured using the test up in figure 2. For
measuring POTS band insertion loss for single filter module also for single filter with four
added parallel load filters. General Insertion loss equation can be expressed as follows.
Insertion loss = 20 log V2 / V1 dB where
V1 = the measured voltage value of load without LPF in circuit.
V2 = the measured voltage value of load with LPF in circuit.
The test setup is shown in drawing below.
Figure 2.
Page 9
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 9 OF 12
5.5.2. Return loss :
Return loss measure the amount of energy that is lost due to reflection which resulted
from impedance mismatching at the interface. Return loss is essentially defined as the
ratio of the power incident upon a given transmission system to the power reflected
caused by impedance mismatch with respect to reference impedance at the interface
between source and device. Return loss figure are a function of the impedance of the
circuit involved and are therefore frequency dependent. These impedance must be
closely maintained in order to reduce the possibility of undesirable reflection and echoes
which in long distance circuit the telephone user or destroy the data being sent. To
perform the return loss test, open, short, load calibration must be done prior
measurement while the LCR impedance analyzer being selected in impedance mode.
Return loss is general expressed in decibels. General return loss equation is as follows.
Return loss = 20 log ZL + ZM / ZL - ZMdB
Where ZL = the reference impedance
ZM = the measured impedance
The test setup is shown in drawing below.
5.5.2.1. Complex* return loss with ATU- R :
Figure 3.
5.5.2.2. 600 ohm return loss with ATU-R :
Figure 4.
ZNL-r definition:
Page 10
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 10 OF 12
6. Environmental conditions:
6.1. Resistibility to overvoltages and overcurrents:
The Dual In-Line filter has to comply with requirements as per ITU-T K.21, 47 CFR 68 302
( b ), ( c ), UL 1950, CSA C22.2 No. 950-95, GR 1089-Core etc. electrical safety
requirements for network telecommunication equipment.
6.2. Climatic conditions:
6.2.1. Operating temperature:
Application indoor
Long time operation guarantee temperature ( 5 to 40 0C )
Short time operation guarantee temperature ( 0 to 50 0C )
( According to ETS 300 019, class 3.2 )
6.2.2. Storage and transport:
Low ambient temperature - 20 0C
High ambient temperature +85 0C
( According to MIL-STD-202 method 107 / QC-0-20 )
6.2.3. Operation humidity:
Long time operation guarantee humidity ( 5 to 85 % )
Short time operation guarantee humidity ( 5 to 90 % )
Short time : within 72 continuous hours and 15 days in a year
Page 11
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 11 OF 12
7. Reliability conditions:
Sampling
Quantities
Test
Item
Description of Testing Test Condition Acceptance
D.V.T.
Pilot Run
Mass
Product
By Visual Examination or by
using X-Ray，Microscope etc.
to Examine sample.
1
Visual / Mechanical
Examination
Reference:QC-0-12&QC-0-22
No cracking ，
broken，marking
color changing
and lose marking
after washing.
2 4
According to clause 5.3
Electrical Specification ，
pp. 6-8.
2 Electrical Characteristic
Reference: QC-0-16
No electrical
failure.
2 4
-20 0C → +85 0C，5 cycles
( 25 , 50, 100 cycles for D.V.T )
3 Thermal Shock
Reference: MIL-STD-202
method 107 / QC-0-20
No electrical
failure.
1 2
+50 0C / 95 RH，96 hrs.
( 168，500 hrs. for D.V.T. )
4
Temperature Humidity
Exposure
Reference: MIL-STD-202
method 103 / QC-0-11
No electrical
failure.
1 2
Random vibration / Overall :
1.15 g rms
Freq. ( Hz ) :
1 à 4 à 100 à 200
PSD ( g2/Hz ) :
0.0001 à 0.01 à 0.01 à 0.001
Test Axis / Time : Top / 30 mins
Bottom / 10 mins X axis : 10 mins
Y axis : 10 mins
5 Vibration Test
Reference: ISTA PROJECT 2A
/ QC-0-21
No electrical
failure &
mechanical
faults.
1 box 1 box
Page 12
Product Specification
MF603UK
Data sheet subject to change without notice RDPS-MF047(R0)07/02/2002
SHEET 12 OF 12
8. Mechanical conditions :
8.1. Mechanical :
Note:
Unit : mm
8.2. Connector information:
Position Type Tip Ring
Phone BT Jack 5 2
Line BT Plug 5 2
ADSL RJ11 Jack 3 4
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