CPF104V 查看數據表（PDF） - YCL Electronics

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CPF104V

POTS/ISDN Splitter

YCL Electronics  

Product Specification

CPF104V

4.3. Test method :

4.3.1. Insertion loss for POTS :

4.3.1.1. Description :

Insertion loss /Attenuation mentioned herein is defined as below :

IL = 20 log 10 Vo/Vi  dB

Vo = the voltage value measured across the Line side shown in fig .2

Vi = the voltage value measured across the Phone side fig .1

4.3.1.2. Apparatus :

a . Function generator or equivalent

b . Readout oscilloscope or equivalent.

c . Complex load ZL = Zcomplex(1) or Zcomplex(2) or Zcomplex(3) or 600ohms

d . ZHP-r = 4.7nF + 12uH

4.3.1.3. Test procedure :

a . Set the measurement Frequency of interest

b . Connecting the source to the Phone side of splitter with the complex load ZL

across the Line side.

c . Measure the voltage value and calculate the Insertion loss expressed in decibel

from the equation Insertion loss = 20 log10 Vo / Vi dB

d . Change another frequency of interested the repeat step a~d.

4.3.1.4 .Insertion loss test set up measurement :

Fig. 1

Data sheet subject to change without notice

Fig. 2

RDPS-POTS364(R2)12/12/2002

SHEET 6 OF 11

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