Product Specification
CPF906G
4.3.2. Filter return loss Test :
4.3.2.1 . Test Equipment :
a. HP4395A Network / Spectrum / Impedance Analyzer
b. HP87512A Transmission / Reflection test set
c. Balun North Hills : 0415LB( 50Ω : 150Ω )
4.3.2.2 . Test Setup: is shown in Fig. 2
4.3.2.3. Test Procedure :
a. Set HP4395A in A/R mode.
b. Connecting the Analyzer to the ISDN/POTS sides of splitter through the North
Hills Balun 0415LB. While ZADSL load can be terminated with load, or open.
c. Set frequency of interest given in specification.
d. Calibrating the HP4395A network Analyzer via the open, load calibration being
performed for return loss.
e. Measurement Return Loss.
Network
Analyzer
BALUN
(0415LB)
150Ω
ISDN/POTS
ADSL
Splitter
ZADSL
Line
Fig.2 Test Setup
Note : ZADSL load can be terminated with load, or open
Data sheet subject to change without notice
RDPS-POTS344(R0)04/03/2002
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