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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)： | 32/35頁(yè) |
| 文件大?。?/td> | 248K |
| 代理商： | HA12188AF |
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HA12188AF
Rev.1, Oct. 1995, page 32 of 35
Test Method Notes
(cont)
Item No.
Notes
24
The minimum voltage for V38 such that the pin 20 signal is still a square wave.
V
IN
60 = 1kHz + V
C
+ 95mV
DC
The maximum voltage for V38 such that the pin 20 signal is still a square wave.
V
IN
60 = 1kHz + V
C
+ 95 mV
DC
V
60, V
34 90deg phase difference input signal V
60 = V
34 = 1 V
The maximum frequency for V
IN
60 (V
IN
34) such that the pin 21 signal is still a square wave.
V21
25
26
27, 28
29
H input voltage of pin 23 to 27
30
L input voltage of pin 23 to 27
31
V46
32
(V61 – V53) such that V22 exceeds 4V when V61 is upped from 2.4V. (SENS = TZC mode)
33
(V55 – V
C
) such that V22 exceeds 4V when V61 is upped from 2.5V. (SENS = FZC mode)
V9 – V
C
V9
34
35, 36
37
20log (V9 / V
IN
60) V
IN
60 = 1kHz, 0.15 V
PP
V9 – VFO – V
C
V16 – V
C
V16
38, 39
40
41, 42
43
20log (V16 / V
IN
60) V
IN
60 = 1kHz, 0.3 V
PP
V9 – VTO – V
C
V19 – V
C
V19
44, 45
46
47, 48
49
20log (V19 / V
IN
60) V
IN
60 = 4kHz, 0.15 V
PP
V19 – VSO – V
C
V22
50, 51
52, 53
54
Input voltage of pin 28 such that APC is off.
55
Input voltage of pin 28 such that APC is on.
GF2 = 0,
GF
1 = 1, GF0 = 0 20log (V55 / V
IN
60) – G
VFA1
V
IN
60 = 4kHz, 0.5 V
PP
GF2 = 0,
GF
1 = 1, GF0 = 1 20log (V55 / V
IN
60) – G
VFA1
V
IN
60 = 4kHz, 0.5 V
PP
GF2 = 1,
GF
1 = 1, GF0 = 0 20log (V55 / V
IN
60) – G
VFA1
V
IN
60 = 4kHz, 0.5 V
PP
GF2 = 1,
GF
1 = 0, GF0 = 1 20log (V55 / V
IN
60) – G
VFA1
V
IN
60 = 4kHz, 0.5 V
PP
GT2 = 0,
GT
1 = 1, GT0 = 0 20log (V52 / V
IN
60) – G
VTE2
V
IN
60 = 4kHz, 0.5 V
PP
GT2 = 0,
GT
1 = 1, GT0 = 1 20log (V52 / V
IN
60) – G
VTE2
V
IN
60 = 4kHz, 0.5 V
PP
GT2 = 1,
GT
1 = 1, GT0 = 0 20log (V52 / V
IN
60) – G
VTE2
V
IN
60 = 4kHz, 0.5 V
PP
GT2 = 1,
GT
1 = 0, GT0 = 1 20log (V52 / V
IN
60) – G
VTE2
V
IN
60 = 4kHz, 0.5 V
PP
56
57
58
59
60
61
62
63
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