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參數資料
| 型號： | MC44302AP |
| 廠商： | MOTOROLA INC |
| 元件分類： | 消費家電 |
| 英文描述： | ADVANCED MULTI-STANDARD VIDEO/SOUND IF |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數： | 5/28頁 |
| 文件大小： | 612K |
| 代理商： | MC44302AP |
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MC44302A
5
MOTOROLA ANALOG IC DEVICE DATA
fo
VCC, SUPPLY VOLTAGE (V)
4.5
100
1.4
1000
41
1000
0.01
2.5
fV
C
RF AGC TAKEOVER THRESHOLD, PIN 15 (V)
C
CARRIER FREQUENCY (MHz)
I
Figure 1. IF AGC Filter Voltage versus
Carrier Differential Input Voltage
CARRIER DIFFERENTIAL INPUT VOLTAGE (mVrms)
Figure 2. Carrier Differential Input Voltage versus
RF AGC Takeover Threshold
VCC = 5.0 V
fC = 45.75 MHz
RF AGC Delay, Pin 15, Open
TA = 25
°
C
Figure 3. VCO Characteristics
Figure 4. VCO Free–Running and Offset
Frequency Change versus Supply Voltage
0.1
1.0
10
100
1000
1.6
1.8
2.0
2.2
2.4
42
43
44
45
46
47
4.7
4.9
5.1
5.3
5.5
48
2.0
1.5
1.0
0.5
0
100
10
1.0
0.1
100
10
1.0
0.1
0.01
50
0
–50
–100
–150
100
50
0
–50
–100
–150
VCC = 5.0 V
fC = 45.75 MHz
TA = 25
°
C
VCC = 5.0 V
fVCO = 22.875 MHz
C19, C20 = 33 pF
TA = 25
°
C
fVCO = 22.875 MHz
C19, C20 = 33 pF
TA = 25
°
C
foffset
fVCO
Readings are taken at five minute intervals
allowing the die temperature to stabilize.
Input
Overload
Region
Lock–In Range
Sweep Capture Range
Hold–In Range
P
CARRIER FREQUENCY CHANGE (MHz)
–2.0
2.0
–2.0
4.8
A
Figure 5. PLL Filter Voltage versus
Carrier Frequency Change
CARRIER FREQUENCY CHANGE (MHz)
Figure 6. AFT Output Current
versus Carrier Frequency Change
VCC = 5.0 V
fVCO = 22.875 MHz
C19, C20 = 33 pF
TA = 25
°
C
Pin 12 = Gnd
VCC = 5.0 V
fVCO = 22.875 MHz
C19, C20 = 33 pF
Pin 11 = 2.5 V
TA = 25
°
C
Pin 12 = VCC
4.0
2.4
3.2
1.6
1.0
0
–1.0
–2.0
–1.0
0
1.0
2.0
–1.0
0
1.0
2.0
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