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KX-TDA100DUP
5.5.4.
Power Supply Unit
This unit is switching regulator power supply and supplies DC voltages to DMPR card, and optional card (free slot). PSU (power
supply unit) has two outputs (41V, 15V). 15V output is supplied only in DMPR card and option card. Other outputs are mainly
used as an object for the electric supply to a terminal.
supply unit) has two outputs (41V, 15V). 15V output is supplied only in DMPR card and option card. Other outputs are mainly
used as an object for the electric supply to a terminal.
5.5.4.1.
Block Diagram and Circuit Description of PSU
5.5.5.
AC input, Rectification Smoothing Circuit
1) Filter Circui
This circuit consists of the following components and removes the exogenous noise or the noise generated at power supply.
C1, C2: normal mode filter (X condenser)
L1, L2: common mode noise filter
C3, C4: common mode noise filter (Y condenser)
C1, C2: normal mode filter (X condenser)
L1, L2: common mode noise filter
C3, C4: common mode noise filter (Y condenser)
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