BA6386K View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

View to exact match

BA6386K

Preservo amplifier for CD players

ROHM Semiconductor 

Optical disc ICs

(3) APC block and AGC block

BA6386K

The initial setting for V1 is 1.2V. When PL-BL (the RF AC

amplitude) exceeds a certain value (VAGC), then AGC low-

ers V1 and suppresses the laser power. The value of VAGC

is Iagc 20k, where Iagc is set by the formula given be-

low.

Iagc = 1.2

1.4k)R18

When R18 = 10kΩ, Iagc = 50µA and VAGC = 1V.

When defect turns high, Tr1 turns OFF.

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