參數(shù)資料
型號(hào): AK2305
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Dual PCM CODEC for ISDN TERMINAL ADAPTER
中文描述: 雙PCM編解碼器的ISDN終端適配器
文件頁(yè)數(shù): 32/43頁(yè)
文件大?。?/td> 481K
代理商: AK2305
C0029-E-02
Tone Generator
Conditions
typ
Units
381
419
Signal
1300Hz
1300
Hz
-11
-9
4k-8kHz
dB
P-40
P-60
Out of band noize level
Note) dBm = decibels above or below a reference power of 1mW into a 600
P = output level of in band transmit signal.
Parameter
min
Max
Valid Input Signal Levels
signal)
-19
dBm
Note3,6,8
10
Frequecy Deviation accept
±
±
Frequecy Deviation Reject
±
Third Tone Tolerance
-16
Noise Tolerance
-12
Dial Tone Tolerance
-17
Input Impeedance
500
Note2)Both tones of the composite signal have equal amplitudes.
±
Note4)Bandwidth limited to 3kHz Gaussian noise.
±
±
±
Note6)For error rate of better than 1 in 10,000.
Note8)Twist = high tone / low tone
dBm = decibels above or below a reference power of 1mW into a 600
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