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KT8554B Datasheet(PDF) 9 Page - Samsung semiconductor

Part # KT8554B
Description  1 CHIP CODECS
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KT8554B Datasheet(HTML) 9 Page - Samsung semiconductor

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KT8554B/7B
CMOS INTEGRATED CIRCUIT
TRANSMISSION CHARACTERISTICS (Continued)
Note 1. CT
(RX-TX) is measured with a - 40dBm0 activating signal applied at VFXI +
ENCODING FORMAT AT Dx OUTPUT
Characteristic
Symbol
Test Conditions
Min
typ
Max
Unit
Spurious Out-of-Band Signals
at the Channel Output
SOS
Loop around measurement, 0dBm0,
300Hz - 3400Hz input PCM applied to
D
R, Measure individual image
signals at VF
RO
4600Hz - 760Hz
7600Hz - 8400Hz
8400Hz - 100,000Hz
-32
-40
-32
dB
dB
dB
Distortion
Signal to Total Distortion
Transmit or Receive
Half-Channel
THD
TX
THD
RX
Sinusoidal test method
Level = 3.0dBm0
= 0dBm0 to 30dBm0
= -40dBm0 XMT
RCV
= -55dBm0 XMT
RCV
33
26
29
30
14
15
dBC
dBC
dBC
dBC
dBC
dBC
Single Frequency Distortion,
Transmit
-46
dB
Single Frequency Distortion,
Receive
-46
dB
Intermodulation Distortion
THD
IMD
Loop around measurement,
VF
XI + = -4dBm0 to -21dBm0, two
frequencies in the range
300Hz - 3400Hz
-41
dB
Crosstalk
Transmit to Receive Crosstalk,
0dBm0 Transmit Level
f = 300Hz - 3400Hz
D
R = Steady PCM code
-90
-75
dB
Receive to Transmit Crosstalk,
0dBm0 Receive Level
-90
-70
(Note1)
dB
µ-Law KT8554B
A-Law KT8557B
V
IN (at GSX) = + Full Scale
1 0 0 0 0 0 0 0
1 0 1 0 1 0 1 0
1 1 1 1 1 1 1 1
0 1 1 1 1 1 1 1
1 1 0 1 0 1 0 1
0 1 0 1 0 1 0 1
V
IN (at GSX) = - Full Scale
0 0 0 0 0 0 0 0
0 0 1 0 1 0 1 0
THD
SF (TX)
THD
SF (RX)
CT
(TX-RX)
CT
(RX-TX)
f = 300Hz - 3400Hz, VF
XI = 0V
V
IN (at GSX) = 0V


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