參數(shù)資料
型號: KS8620D
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
元件分類: Codec
英文描述: 1 Chip CODEC for Digital Answering phone
中文描述: 1解碼器芯片數(shù)字接聽電話
文件頁數(shù): 9/9頁
文件大?。?/td> 73K
代理商: KS8620D
KS8620
1 Chip CODEC for Digital Answering phone
TRANSMISSION CHARACTERISTICS
( Continued )
Note 1. CT
(RX-TX)
is measured with a -40dBm0 activating signal applied at VF
X
I+
ENCODING FORMAT AT D
X
OUTPUT
Characteristic
System
Test Conditions
Min
Typ
Max
Unit
Single Frequency Disotrtion,
Transmit
Single Frequency Distortion,
Receive
Intermodulation Distortion
THD
SF(TX)
THD
SF(RX)
THD
IMD
Loop around measurement,
VF
X
I+ = -4dBm0 to -21dBm0,
two frequencies in the range
300Hz - 3400Hz
-35
-dB
Crosstalk
Transmit to Receive
Crosstalk, 0dBm0
Transmit level
Reveive to Transmit
Crosstalk, 0dBm0
Receive level
CT
(TX-RX)
CT
(RX-TX)
f = 300Hz - 3400Hz
D
R
= Steady PCM code
f = 300Hz - 3400Hz,
VFXI = 0V
-90
-90
-75
-70
(note1)
dB
dB
-41
-dB
-41
-dB
μ
-Law PCM : KS8620
V
IN
( at GS
X
) = + Full Scale
V
IN
( at GSx ) = 0V
V
IN
( at GSx ) = - Full Scale
1 0 0 0 0 0 0 0
1 1 1 1 1 1 1 1
0 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0
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