NJM2189 データシートの表示（PDF） - Japan Radio Corporation

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NJM2189

SPEAKER ELEVATION AUDIO PROCESSOR with A/V Focus Filter

Japan Radio Corporation  

NJM2189

sAPPLICATION CIRCUIT (Without A/V Focus filter)

RIN

C19

R16

R15

C18

C17

C16 C15

C14

R11

R12 R10

R9 ROUT MODE1 MODE2 V+

R8

C12

R7

R6 C9

C13

C11

C10

(3)A/V Focus

(2)Focus

(1)Bypass

MODE1 MODE2

Bypass

L

-

Focus

H

L

A/V Focus

H

H

C1

R13

R14

LIN

C2

C3

R1

R2

R3

LF Elevation

Control

HF Elevation

Control

Bass

C4

Compensation

Control

C5

R4

C6

C7

R5

LOUT

C8

VREF

PART No.

C1,C6,C7

C10,C11,C12,C19

C8

C9

C2,C18

C3,C17

C4,C14,C15

C5,C13

C16

VALUE Tolerance

PART No.

10uF

R5,R6,R8

10uF

R1,R12

33uF

R2,R3,R7,R10,R11

100uF

R4,R9

0.2uF ±5%

3900pF ±5%

0.01uF ±5%

0.47uF ±5%

0.1uF ±5%

VALUE Tolerance

10kΩ

1.8kΩ

22kΩ

5.6kΩ

±5%

±5%

±5%

q R13(R15), R14(R16)

The R13(R15) and R14(R16) control sound pressure level

MODE switch.

R13+R14≥20kΩ

R13=R15, R14=R16

when between Bypass and Focus

qLF Elevation Control: 1kB Single-shaft Dual-unit

qHF Elevation Control: 10kB Single-shaft Dual-unit

qBass Compensation Control: 1kB Single-shaft Single-unit

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