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參數(shù)資料
| 型號： | MC44826D |
| 廠商： | MOTOROLA INC |
| 元件分類： | XO, clock |
| 英文描述： | TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 1300 MHz, PDSO14 |
| 封裝： | PLASTIC, SO-14 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 136K |
| 代理商： | MC44826D |
MC44826
4
MOTOROLA ANALOG IC DEVICE DATA
Figure 1. Typical Prescaler Input Sensitivity
Guaranteed Operating Area
0
5.0
R
RF In (MHz)
200
400
600
800
1000
1200
1400
–5.0
–15
–25
–35
–45
NOTE:
VCC = 4.5 to 5.5 V, TA = – 20
°
to +80
°
C
HF CHARACTERISTICS
(See Figure 1)
Characteristic
Pin
Min
Typ
Max
Unit
DC Bias
3, 4
–
1.6
–
V
Input Voltage Range
50–950 MHz
950–1300 MHz
mVrms
3, 4
3, 4
10
50
–
–
315
315
Figure 2. RF Sensitivity Test Circuit
10, 11
2
3
4
8
I2C Bus Controller
RF Generator
(50
)
5
+5.0 V
Frequency Counter
4.0 k
MC44826
50
1.0 nF
1.0 nF
HF In
VCC1
B5
+12 V
Device is in test mode, B5 and B3 are “On”, B1 is “Off”.
Sensitivity is the level of the HF generator on 50
load.
7
B3
4.0 k
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