![Harman Kardon HD 755 Скачать руководство пользователя страница 21](http://html1.mh-extra.com/html/harman-kardon/hd-755/hd-755_technical-manual_599398021.webp)
AN8849SB
Head amplifier IC for CD-ROM drive (for 24 times speed or more)
■
Overview
The AN8849SB is a head amplifier IC for
digital servo. It can configure an efficient CD-ROM
system in combination with the MN662752, and
allows a full-automatic adjustment of tracking bal-
ance-gain-offset and focus balance-gain-offset with
fewer external parts.
Built-in functions are a variable equalizer, wide
band RF amp. and AGC which meet CAV playback
with 24 times speed or more.
■
Features
•
Variable equalizer which meets CAV playback
with 24 times speed or more CAV playback.
•
Wide band RF amp. and AGC (f
C
=
20 MHz or
more (
−
3 dB))
•
Balance adjustment function built-in
Focus error amp./tracking error amp.
•
CD-RW playback compatible.
Variable gain
Focus error amp./tracking error amp.
(to
+
16.9 dB)
•
OFTR/BDO detection
•
APC amp.
■
Applications
•
CD/CD-ROM drive
SSOP036-P-0450A
Unit: mm
8.4±0.3
0.5
0.1±0.1
11.93±0.3
2.85±0.2
15.2±0.3
36
19
1
18
0.3±0.11
0.8
1.30±0.25
1.30±0.25
Seating plane
0.2
+0.10
–0.05
0
HD755
21
Содержание HD 755
Страница 40: ...HD755 40 ...
Страница 48: ...HD755 48 ...
Страница 49: ...HD755 49 ...
Страница 50: ...HD755 50 ...
Страница 51: ...HD755 51 ...
Страница 52: ...HD755 52 ...
Страница 53: ...HD755 53 ...
Страница 54: ...HD755 54 AN4801SB ...
Страница 55: ...HD755 MAINBOARD 55 AN4801SB ...
Страница 56: ......
Страница 57: ...HD755 57 ...
Страница 58: ...HD755 REMOTE UNIT 58 ...
Страница 59: ...HD755 59 ...
Страница 60: ...POWER SWITCH PCB HEADPHONES PCB HD755 60 ...
Страница 61: ......
Страница 62: ......
Страница 63: ...HD755 61 ...
Страница 64: ...02 Z 000A01 02 B01 A01 02 02 A A A 02 C 9475 001000 012 ...
Страница 65: ... 9805 755000 001 5100 755000 000 5013 750001 000 03 HD755 ...