PSB 21373 H V1.1 Infineon Technologies, PSB 21373 H V1.1 Datasheet - Page 82
PSB 21373 H V1.1
Manufacturer Part Number
PSB 21373 H V1.1
Description
IC SPEECH AND VOICE MQFP-44
Manufacturer
Infineon Technologies
Series
SCOUT™r
Datasheet
1.PSB_21373_H_V1.1.pdf
(242 pages)
Specifications of PSB 21373 H V1.1
Function
CODEC
Interface
IOM-2, SCI
Number Of Circuits
1
Voltage - Supply
5V
Current - Supply
97.5mA
Mounting Type
Surface Mount
Package / Case
44-BQFP
Includes
Activation and Deactivation, Channel Handler, DTMF / Tone / Ringing Generator, HDLC Controller, Speakerphone, Voice Monitoring
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Operating Temperature
-
Other names
PSB21373HV1.1XT
PSB21373HV11XT
SP000007602
PSB21373HV11XT
SP000007602
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2.3.8
The transmit pulses are raised cosine shaped in order to reduce RF energy, crosstalk
and intersymbol interference.
Figure 42 shows a single pulse in the time domain compared against the pulse mask.
Figure 43 shows the theoretical power density of a random pattern scrambled by the
polynom specified in chapter 2.3.1.
Figure 44 shows the typical power density of a random pattern scrambled by the
polynom specified in chapter 2.3.1. This figure is obtained after the simulation of the
integrated pulse shaper together with the external circuit of figure 45.
Figure 42
Simulated Single Pulse compared against the Pulse Mask
Data Sheet
Transmitter Characteristics
-0.1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
721u
721.5u
722u
722.5u
723u
Graph11
t(s)
82
723.5u
724u
724.5u
725u
(V) : t(s)
linedu
mask_high_p
mask_low_p
pulse_mask_d
PSB 21373
2002-05-13
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