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參數(shù)資料
| 型號(hào)： | OQ8844 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | Digital Servo Driver DSD-2 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 80K |
| 代理商： | OQ8844 |
1995 Nov 27
6
Philips Semiconductors
Product specification
Digital Servo Driver (DSD-2)
OQ8844
Fig.3 One of the digital drivers.
MBG786
M
(1)
VDD
VSS
TIMING
1-bit
code
clock
(1) Sledge motor; focus/radial motor.
Fig.4 1-bit code is logic 1.
MBG787
M
Ipos
(1)
VDD
VSS
TIMING
1-bit
code
'1'
clock
A
B
C
D
(1) Sledge motor; focus/radial motor.
Fig.5 1-bit code is logic 0.
MBG788
M
Ineg
(1)
VDD
VSS
TIMING
1-bit
code
'0'
clock
A
B
C
D
(1) Sledge motor; focus/radial motor.
Fig.6 Notch filter at input of digital drivers.
The filter consists of a simple delay element (flip-flop) and an adder.
The transfer from input-to-output is: H(z) = 1 + z
1
.
MBG789
1-bit
1.5-bit
1/Z
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