HA12162FP Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HA12162FP

Dolby B- and C-Type Noise Reduction System

Hitachi -> Renesas Electronics 

HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP

HA12141NT

25

20

15

10

5

7V

12 V, 16 V

Vin = –0 dB

Vin = –20 dB

Vin = –30 dB

Vin = –40 dB

Vin = –60 dB

0

–5

–10

100 200

500 1 k 2 k 5 k 10 k 20 k

Frequency (Hz)

Encode Boost vs. Frequency (NR-C VCC = 7 V, 12 V, 16 V)

HA12141NT, HA12161FP

0

–2

–4

Vout = –0 dB

Vout = –10 dB

Vout = –20 dB

Vout = –30 dB

Vout = –40 dB

–6

12 V, 16 V

–8

7V

–10

–12

100 200

500 1 k 2 k 5 k 10 k 20 k

Frequency (Hz)

Decode Cut vs. Frequency (NR-B VCC = 7 V, 12 V, 16 V)

Rev.3, Jun. 1999, page 17 of 63

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