LAG668D Просмотр технического описания (PDF) - Mitsumi

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Компоненты Описание

производитель

LAG668D

IC for Headphone Stereos (bass boost)

Mitsumi 

MITSUMI

Application Circuits

IC for Headphone Stereos (bass boost) LAG668

Bass Boost Power Amp Gain

GV 40

GVH

35

3dB

30

B•B ON

25

GVL

3dB

B•B Off

15

101 102 103 104 105 106

f1 f2

Frequency (Hz)

GV : Power amp gain

GVH : Bass boost power amp gain

(high level)

GVL : Bass boost power amp gain

(low level, or boost off)

f1, f2: Cutoff frequencies

( GVH=GV+20Log

R3

R1+R3 (dB)

( GVL=GV+20Log

R2//R3 R1

R2//R3+ R1 (dB)

f1=

1

(Hz)

2π ((R1//R3) +R2)C

f2= 1

(Hz)

2πR2C

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