參數(shù)資料
型號: TZA1038HW
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: High speed advanced analog DVD signal processor and laser supply
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1 MM HEIGHT, PLASTIC, HTQFP-48
文件頁數(shù): 39/45頁
文件大?。?/td> 185K
代理商: TZA1038HW
2003 Sep 03
39
Philips Semiconductors
Product specification
High speed advanced analog DVD signal
processor and laser supply
TZA1038HW
11.2
Programming examples
Table 30
Sample of register values and mode settings.
Note
1.
Use RFSUM input.
REGISTER
REGISTER VALUE (HEX)
MODE SETTINGS
DVD; LOW
GAIN
DVD; HIGH
GAIN
(1)
CD; HIGH
GAIN
(1)
0
1
005
01D
045
01D
043
007
switch on the laser power; V
mon
= 150 mV; set GRFSUM
select diode or SUM inputs and corresponding tracking
method
set K2 mode
set low RF gain = 18 dB + G
3
set G
1
for DPD (G
3
= 0 dB in this example)
approximation for DVD
OFFS
DAC
optional second RF offset setting
G
LFC
= G
LFR
=
6 dB (low gain) or +6 dB (high gain);
α
= 1
set bits DPD_stretch to 1.9 ns
enable inputs A to D for RF
not used
not used
set for electrical offset compensation from pick-up (see
Section 11.4)
2
3
800
800
820
000
338
800
800
410
000
778
800
800
410
000
778
4
5
6
7
8
9
200
000
000
000
000
000
000
335
022
200
000
000
000
000
000
000
335
022
000
000
000
000
000
000
000
335
000
10
11
12
13
14
15
set bits BWRF to 80 MHz; RFEQEN = 1; RFNFEN = 1
set bits DPD_LL to 24 MHz; set bits DPD_LPF
to 100 MHz
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