MB86435PFV Ver la hoja de datos (PDF) - Fujitsu

Número de pieza

componentes Descripción

fabricante

MB86435PFV

3 V Single Power Supply Audio Interface Unit (AIU)

Fujitsu 

MB86435

• Tone and Sidetone Addition by Inclusion of Third-Order HPF

R10 C7

C8

SGC

IM1

-

+

AMP1 OP1

R11

C9

R12 R13

SGC

C10

SGC

-

+

AMP2

IM2

OP2

R14 R15 C11

PTBO

(receiving)

TONEO(tone)

BBO(sidetone)

EV2

BTO

SGC

IM3

BBI

-

+

AMP3

(Inside IC)

C16

R16

R17

C17

IMTON

Secondary HPF

A = –C8/C9

ω/Q = 1/(R10 C9 C7)×(C7+C8+C9)

ω 2 = 1/(R10 R11 C9 C7 )

Signal addition

R12 = R13 = R14 = R15 = 100 kΩ

C10 = C11 = 0.1µF

Primary HPF

A = –R9/R8

fc = 1/(2πC16 R8)

C17 = 0.1µF

21

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