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參數(shù)資料
| 型號： | CXA1372BQ_BS |
| 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)： | 13/32頁 |
| 文件大?。?/td> | 710K |
| 代理商： | CXA1372BQ_BS |
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CXA1372BQ/BS
Description of Functions
Focus Servo
FZC
1.2k
56k
FE
22k
FZC
Focus Phase
Compensation
48k
510k
0.1μ
FSET
FLB
40k
FGD
10k
DFCT
2200p
FE
470k
0.1μ
FDFCT
FS3
580k
46k
100k
FOCUS COIL
FE–
120k
11μ
22μ
ISET
FS1
50k
40k
4.7μ
SRCH
10k
FS2
0.01μ
FEO
0.1μ
20k
FS4
FS3
120k
46
47
48
2
3
4
16
7
17
6
5
DGND
The above figure shows a block diagram of the focus servo.
Ordinarily the FE signal is input to the focus phase compensation circuit through a 20k
and 48k
resistance;
however, when DFCT is detected, the FE signal is switched to pass through a low-pass filter formed by the
internal 470k
resistance and the capacitance connected to Pin 48. When this DFCT countermeasure circuit is
not used, leave Pin 48 open.
When FS3 is ON, the high-frequency gain can be cut by forming a low-frequency time constant through a
capacitor connected between Pins 2 and 3 and the internal resistor.
The capacitor connected between Pin 4 and GND is a time constant to boost the low frequency in the normal
playback state.
The peak frequency of the focus phase compensation is approximately 1.2kHz when a resistance of 510k
is
connected to Pin 16.
The focus search level is approximately ±1.1Vp-p when using the constants indicated in the above figure. This
level is inversely proportional to the resistance connected between Pin 17 and GND. However, changing this
resistance also changes the level of the track jump and sled kick as well.
The FZC comparator inverted input is set to 2% of V
CC
and VC (Pin 1); (V
CC
– VC)
×
2%.
510k
resistance is recommended for Pin 16.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CXA1372BS | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:RF Signal Processing Servo Amplifier for CD Player |
| CXA1372Q | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Servo Motor Controller/Driver |
| CXA1372Q/S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Servo Motor Controller/Driver |
| CXA1372S | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:RF Signal Processing Servo Amplifier for CD Player(710.00 k) |
| 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 |
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