參數(shù)資料
型號(hào): CXA1782CR
廠商: Sony Corporation
英文描述: RF Signal Processing Servo Amplifier for CD players(用于CD播放器的伺服放大器(可處理射頻信號(hào)))
中文描述: 射頻信號(hào)處理伺服放大器(用于光盤(pán)播放器的伺服放大器的CD播放器(可處理射頻信號(hào)))
文件頁(yè)數(shù): 25/31頁(yè)
文件大?。?/td> 535K
代理商: CXA1782CR
– 25 –
CXA1782CQ/CR
Envelope Detection
Waveform Shaping
Waveform Shaping
Edge Detection
30
46
[
B]
[
E]
RF_I
(TZC)
Tracking error
CXA1782
(Latch)
Q
D
CK
(MIRR)
[
C]
[
F]
[
G]
BRK
D2
TM7
Low: open
High: make
[
A]
[
D]
Fig. 6. TMI movement during braking operation
0V
(“MIRR”)
(“TZC”)
Braking is
applied from
here.
[
A]
[
B]
[
C]
[
D]
[
E]
[
F]
[
G]
[
H]
From outer to inner track
From inner to outer track
Fig. 7. Internal waveform
3. $2X
(“TZC” at SENS pin (Pin 24))
These commands deal with turning the tracking servo and sled servo ON/OFF, and creating the jump pulse
and fast forward pulse during access operations.
D7
D6
D5
D4
D3
D2
D1
D0
0
0
1
0
Tracking
control
00: OFF
01: Servo ON
10: F-JUMP
11: R-JUMP
Sled
control
00: OFF
01: Servo ON
10: F-FAST FORWARD
11: R-FAST FORWARD
TM2, TM5, TM6
TM1, TM3, TM4
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