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參數(shù)資料
| 型號(hào)： | MC1648D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | Voltage Controlled Oscillator |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 237K |
| 代理商： | MC1648D |
MC1648
MOTOROLA
HIPERCOMM
BR1334 — Rev 4
2
Figure 1. Circuit Schematic
5
AGC
8
VEE
12
TANK
10
BIAS
POINT
7
VEE1
VCC2
14
VCC1
1
Q4
Q3
Q2
Q1
Q5
D1
Q8
Q7
Q6
Q9
Q10
Q11
D2
3
OUTPUT
TEST VOLTAGE/CURRENT VALUES
@ Test
Temperature
(Volts)
mAdc
VIHmax
VILmin
VCC
IL
MC1648
–30
°
C
+25
°
C
+85
°
C
+2.0
+1.5
+5.0
–5.0
+1.85
+1.35
+5.0
–5.0
+1.7
+1.2
+5.0
–5.0
Note: SOIC “D” package guaranteed –30
°
C to +70
°
C only
ELECTRICAL CHARACTERISTICS
(Supply Voltage = +5.0V)
–30
°
C
+25
°
C
+85
°
C
Symbol
Characteristic
Min
Max
Min
Max
Min
Max
Unit
Condition
IE
VOH
VOL
VBIAS
1
Power Supply Drain Current
–
–
–
41
–
–
mAdc
Inputs and outputs open
Logic “1” Output Voltage
3.955
4.185
4.04
4.25
4.11
4.36
Vdc
VILmin to Pin 12, IL @ Pin 3
VIHmax to Pin 12, IL @ Pin 3
VILmin to Pin 12
Unit
Condition
Logic “0” Output Voltage
3.16
3.4
3.2
3.43
3.22
3.475
Vdc
Bias Voltage
1.6
1.9
1.45
1.75
1.3
1.6
Vdc
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
VP–P
Vdc
fmax
2
1. This measurement guarantees the dc potential at the bias point for purposes of incorporating a varactor tuning diode at this point.
2. Frequency variation over temperature is a direct function of the
C/
Temperature and
L/
Temperature.
Peak–to–Peak Tank Voltage
–
–
–
–
400
–
–
–
–
mV
See Figure 3
Output Duty Cycle
–
–
–
–
50
–
–
–
–
%
Oscillation Frequency
–
225
–
200
225
–
–
225
–
MHz
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