HA12177 View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

Manufacturer

HA12177

Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)

Hitachi -> Renesas Electronics 

HA12173 Series

Encode Boost vs. Frequency (1)

24

HA12173

21 NR-C

Vin = –60 dB

18 VCC = 7 V, 9 V, 16 V

16 V

15

–40 dB

12

7 V, 9 V

9

–30 dB

6

3

–20 dB

0

–3

–6

100

–10 dB

0 dB

300

1k

3k

Frequency (Hz)

10k 15k

Encode Boost Frequency (2)

10.8

HA12173

Vin = –40 dB

9.6 NR-B

8.4 VCC = 7 V, 9 V, 16 V

7.2

6.0

16 V

4.8

3.6

7 V, 9 V

2.4

1.2

0

–1.2

100

300

1k

3k

Frequency (Hz)

–30 dB

–20 dB

–10 dB

0 dB

10 k 20 k

Rev.1, Nov. 1992, page 23 of 66

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