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參數(shù)資料
| 型號： | MC74HC4046AN |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | XO, clock |
| 英文描述： | Phase-Locked Loop |
| 中文描述： | PHASE LOCKED LOOP, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大小： | 290K |
| 代理商： | MC74HC4046AN |
MC74HC4046A
http://onsemi.com
11
Figure 14A. VCO Frequency (fVCO) as a Function
of the VCO Input Voltage (VVCOIN)
Figure 14B. VCO Frequency (fVCO) as a Function
of the VCO Input Voltage (VVCOIN)
VCC = 6.0 V
VCC = 4.5 V
VCC = 3.0 V
R1 = 3.0 k
C1 = 39 pF
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
23
21
19
17
15
13
11
9
7.0
VVCOIN (V)
(
fV
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
70
60
50
40
30
20
10
0
VVCOIN (V)
(
fV
VCC = 6.0 V
VCC = 4.5 V
VCC = 3.0 V
R1 = 3.0 k
C1 = 0.1
μ
F
Figure 14C. VCO Frequency (fVCO) as a Function
of the VCO Input Voltage (VVCOIN)
Figure 14D. VCO Frequency (fVCO) as a Function
of the VCO Input Voltage (VVCOIN)
0
0.5
1.0
1.5
2.0
VVCOIN (V)
2.5
3.0
3.5
4.0
2.0
1.0
0
(
fV
VCC = 6.0 V
VCC = 4.5 V
VCC = 3.0 V
R1 = 300 k
C1 = 39 pF
4.5
0
0.5
1.0
1.5
2.0
VVCOIN (V)
2.5
3.0
3.5
4.0
1.0
(
fV
4.5
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
VCC = 6.0 V
VCC = 4.5 V
VCC = 3.0 V
R1 = 300 k
C1 = 0.1
μ
F
Figure 15A. Frequency Linearity versus
R1, C1 and VCC
Figure 15B. Definition of VCO Frequency Linearity
2.0
1.0
–2.0
0
–1.0
100
101
102
103
R1 (k
)
R2 =
∞
;
V = 0.5 V
C1 = 39 pF
C1 = 1.0
μ
F
f2
f0
f0
′
f1
MIN
1/2 VCC
MAX
V = 0.5 V OVER THE VCC RANGE:
FOR VCO LINEARITY
f0
′
= (f1 + f2) / 2
LINEARITY = (f0
′
– f0) / f0
′
) x 100%
VCC=
4.5 V
6.0 V
3.0 V
4.5 V
6.0 V
3.0 V
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