HA12135A View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

Manufacturer

HA12135A

Dolby B-Type Noise Reduction System

Hitachi -> Renesas Electronics 

HA12136A

0

HA12134A, HA12135A, HA12136A

–10

–20

NR–ON

–30

NR–OFF

–40

100

200

400

1k

2k

Frequency [Hz]

4 k 6 k 10 k

20 k

Figure 7 REC Mode Ripple Rejection Ratio vs. Frequency

HA12136A

–10

–20

–30

NR–OFF

–40

NR–ON

–50

100

200

400

1k

2k

4k

Frequency [Hz]

10 k

20 k

Figure 8 PB Mode Ripple Rejection Ratio vs. Frequency

11

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