MF612A 데이터 시트보기 (PDF) - YCL Electronics

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MF612A

Asymmetric Digital Subscriber Line

YCL Electronics  

Product Specification

MF612A

4.5. Test methods:

4.5.1. Insertion loss at 1004 Hz:

4.5.1.1. Description :

The test set-up is shown in Figure 1. The insertion loss from the source to the

termination shall be measured with and without the filter / ZHP-r combination

inserted.

4.5.1.2. Test configuration:

Figure 1. defines the test configuration and the value of the test components that

shall be used for transmission measurement in the voice band for the remote POTS

filter.

Impedance of signal source ＝ ZL，Impedance of the load ＝ZL

Signal

source

Microfilter

POTS

Line

port

port

ZL

(load)

Level

Meter

ZHP-r

(load)

Figure 1.

Note :

1. ZHP-r＝the impedance presented to the POTS connection by an ATU-R.

2. ZL＝real impedance 600 Ω.

3. Test apparatus: Function generator HP 33120A or equivalent，Readout

oscilloscope HP 54621A or equivalent.

Data sheet subject to change without notice

RDPS-MF039(R0)02/22/2002

SHEET 8 OF 13

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