SC91710AS データシートの表示（PDF） - Silan Microelectronics

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SC91710AS

T/P SWITCHABLE DIALER WITH REDIAL HANDFREE FUNCTION

Silan Microelectronics 

TEST CIRCUIT

SC91710A/B

Note: 1. Dist. (dB)=20log{[V12+V22+V32+… Vn2)1/2]/[(VL2+VH2)1/2]}

a. V1… Vn are extraneous frequencies (ie, inter modulation and harmonic), components in the 500Hz to

3400Hz band.

b. VL,VH are the individual frequency components of DTMF signal.

c. Whether keyboard is pushed refer to the TONE mode time diagram.

2. Sink current Isink=I/(1-Duty Cycle), I is the net DC current measured from ampere meter.

3. R*, C* mean other column and row.

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:2.2 2007.03.07

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