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參數(shù)資料
| 型號： | CXA1372S |
| 廠商： | Sony Corporation |
| 英文描述： | RF Signal Processing Servo Amplifier for CD Player(710.00 k) |
| 中文描述： | 射頻信號處理伺服放大器的CD播放器（710.00十一） |
| 文件頁數(shù)： | 20/32頁 |
| 文件大?。?/td> | 710K |
| 代理商： | CXA1372S |
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CXA1372BQ/BS
1-3. SENS
(Pin 27)
The output of the SENS pin differs depending on the input data as shown below.
$0X: FZC
$1X: AS
$2X: TZC
$3X: SSTOP
$4X to 7X: HIGH-Z
2. $1X
(“AS” at SENS (Pin 27))
These commands deal with switching TG1 and TG2 ON/OFF.
The bit configuration is as follows
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
1
ANTI
SHOCK
ON/OFF ON/OFF
Break
circuit
TG2
TG1
TG1, TG2
The purpose of these switches is to switch the tracking servo gain Up/Normal. The brake circuit (TM7) is to
prevent the frequently occurred phenomena where the merely 10-track jump has been performed actually
though a 100-track jump was intended to be done due to the extremely degraded actuator settling caused by
the servo motor exceeding the linear range after a 100 or 10-track jump.
When the actuator travels radially; that is, when it traverses from the inner track to the outer track of the disc
and vice versa, the brake circuit utilizes the fact that the phase relationship between the RF envelope and the
tracking error is 180out-of-phase to cut the unneeded portion of the tracking error and apply braking.
Note that the time from the High to Low transition of FZC to the time command $08 is asserted must be
minimized. To do this, the software sequence shown in B is better than the sequence shown in A.
FZC
↓
NO
YES
F. OK
NO
Transfer $08
Latch
FZC
↓
NO
F. OK
NO
Transfer $08
Latch
(A)
(B)
YES
YES
YES
Fig. 5. Poor and good software command sequences
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| CXA1390AR | Dual Precision Operational Amplifier 8-CDIP -55 to 125 |
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相關代理商/技術參數(shù) |
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|---|---|
| CXA1380M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Demodulator， Other/Special/Miscellaneous |
| CXA1380N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Demodulator， Other/Special/Miscellaneous |
| CXA1386K | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:8-bit 75MSPS Flash A/D Converter |
| CXA1386P | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:8-bit 75MSPS Flash A/D Converter |
| CXA1386P/K | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-bit 75MSPS Flash A/D Converter |
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