CMX639 查看數據表（PDF） - CML Microsystems Plc

零件编号

产品描述 (功能)

比赛名单

CMX639

Consumer / Commercial CVSD Digital Voice Codec

CML Microsystems Plc 

CVSD Codec

CMX639

3

Input Frequency = 820Hz

2

1

0

-1

-40

-30 -20 -10 0 10

Input Level (dBmO)

Figure 7 Typical Variation of Gain with

Input Level (32kbps)

Ref: 0dB Input Level = 489mVrms

35

Input Frequency = 820 Hz

30

64 kbps

32 kbps

20

16 kbps

ref.

10

-40 -30 -20 -10

0

Input Level (dB)

Figure 8 Typical S/N Ratio with Input Level

© 2000 Consumer Microcircuits Limited

14

CMX639/2

Share Link: