參數(shù)資料
型號(hào): HA12188AF
廠商: Hitachi,Ltd.
英文描述: Pre-Amplifier and Servo IC for Quadruple-Speed CD-ROM
中文描述: 預(yù)放大器和四人間伺服集成電路高速的CD - ROM
文件頁(yè)數(shù): 17/35頁(yè)
文件大?。?/td> 248K
代理商: HA12188AF
HA12188AF
Rev.1, Oct. 1995, page 17 of 35
BAL3 BAL2 BAL1 BAL0
80 k
32 k
16 k
20 k
40 k
80 k
160 k
Unit R :
Figure 6 BAL
GT2 GT1
GT0
21.7 k 51.7 k 114 k 40 k
Unit R :
Figure 7 Tracking VR
Table 4
Tracking VR Values and Gain
D2
D1
D0
VR
Gain
0
1
0
40k
–4.9dB
0
1
1
29.6k
–2.3dB
0
0
0
22.6k
±0dB
0
0
1
18.8k
+1.6dB
1
1
0
14.1k
+3.9dB
1
1
1
12.5k
+4.9dB
1
0
0
11.1k
+6.1dB
1
0
1
10.1k
+6.9dB
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