PEB 4364 T V1.2 Infineon Technologies, PEB 4364 T V1.2 Datasheet - Page 44

• Manufacturer Part Number: PEB 4364 T V1.2
• Description: IC SLIC VOICE ACCESS PDSO-36
• Manufacturer: Infineon Technologies
• Series: DuSLICr

Specifications of PEB 4364 T V1.2

• Function: Dual Channel Subscriber Line Interface Circuit (DuSLIC)
• Interface: IOM-2, PCM
• Number Of Circuits: 2
• Voltage - Supply: 3.3 V ~ 5 V
• Current - Supply: 105mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-PDSO
• Includes: DTMF Generator and Decoder, Line Echo Cancellation (LEC), Teletax (TTX) Generation, Universal Tone Detection (UTD)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Other names: PEB4364TV1.2XT; SP000007728

2.4.3
The SLIC outputs the voice signal to the line (receive direction) and also senses the
voice signal coming from the subscriber. The AC impedance of the SLIC and the load
impedance need to be matched to maximize power transfer and minimize two-wire
return loss. The two-wire return loss is a measure of the impedance matching between
a transmission line and the AC termination of DuSLIC.
Impedance matching is done digitally within the SLICOFI-2x by three integrated
impedance matching feedback loops. The loops feed the transmit signal back to the
receive signal simulating the programmed impedance through the SLIC. When
calculating the feedback filter coefficients, the external resistors between the protection
circuit and the SLIC (
into account. The impedance can be programmed to any appropriate real and complex
values shown in the Nyquist diagram
adapted to requirements anywhere in the world without requiring the hardware changes
that are necessary with conventional linecard designs.
Figure 21
Preliminary Data Sheet
Im Z
L
Matching
Nyquist Diagram
-200
-400
-600
0
R
PRE
200
=
R
PROT
400
+
R
Figure
STAB
44
, see
600
for Line Impedance
Re Z
Possible Values
21. This means that the device can be
Figure
L
800
92,
1000
Page
Functional Description
357) must be taken
1200
DS3, 2003-07-11
ezm22019
1400
DuSLIC