參數(shù)資料
型號(hào): TP3094
廠商: National Semiconductor Corporation
元件分類: Codec
英文描述: Quad PCM Codec/Filter
中文描述: 四PCM編解碼器/濾波器
文件頁(yè)數(shù): 13/19頁(yè)
文件大?。?/td> 186K
代理商: TP3094
13
www.national.com
Note 2: Measure voiceband image signal, stimulus signal level is -25dBm0.
Distortion
STD
XP
G
RAL
Receive gain variation
with level
Sinusoidal test method,
PCM level=-40dBm0 to +3dBm0
PCM Level=-50dBm0 to -40dBm0
PCM Level=-55dBm0 to -50dBm0
-0.2
-0.4
-1.0
0.2
0.4
1.0
dB
dB
dB
Transmit signal to total
distortion
Sinusoidal test method, A-law
(psophometric filter), u-Law (C
message filter), FSX=FSR,
f
XI
=1015.625Hz
GXO=+3dBm0
GXO=0 to -30dBm0
GXO= -40dBm0
GXO= -45dBm0
GXO= -50dBm0
GXO= -55dBm0
Sinusoidal test method, PCM
code for all channels equals to
positive zero, FSX=FSR,
f
XI
=1015.625Hz, GXO=0dBm
Sinusoidal test method, A-law,
(psophometric filter), u-Law (C
message filter), FSX=FSR,
f=1015.625Hz,
PCM level=+3dBm0
PCM level=0 to -30dBm0
PCM level=-40dBm0
PCM level=-45dBm0
PCM level=-50dBm0
PCM level= -55dBm0
Sinusoidal test method, PCM
code for all channels equals to
0dBm0, FSX=FSR,
f=1015.625Hz, GXO=0Vrms
Single frequency, PCM code for
all channels equals 0 dBm0,
300Hz-3.4KHz, FSX=FSR,
GXO=0Vrms
f=4.6KHz-7.6KHz
f=7.6KHz-8.4KHz
f=8.4KHz-100KHz
33
36
29
25
20
14
dB
dB
dB
dB
dB
dB
SFD
X
Transmit single fre-
quency distortion
-46
dB
STD
RP
Receive signal to total
distortion
33
36
29
25
20
15
dB
dB
dB
dB
dB
SFD
R
Receive single fre-
quency distortion
-46
dB
SOS
RS
Receive spurious out of
band signals
-30
-40
-30
dB
dB
dB
Electrical Characteristics
(continued)
Symbol Parameter Conditions Min Typ Max Units
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