L3234 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
L3234 Datasheet PDF : 26 Pages
| |||
APPENDIX A
L3235 TEST CIRCUITS
Referring to the test circuit reported in fig 17 you
can find the proper configuration for the main
measurements.
Figure A1: 2W Return Loss
L3234 - L3235
In particular:
A-B: Line terminals
C: Tx sending output on 4W side
D: Rx receiving input on 4W Side
100µF
100µF
RL
=
20
log
|
|
ZML
ZML
−
+
Z
Z
|
|
=
20
log
|
2VS
|E|
|
Figure A2: Trans-hybrid Loss
100µF
THL
=
20log
VS
VR
Figure A3: Sending Gain
100µF
100µF
100µF
21/26
Share Link: 