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參數(shù)資料
| 型號： | PLL502-02 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Phase Noise VCXO (24MHz to 50MHz) |
| 中文描述： | 低相位噪聲壓控振蕩器（為24MHz至50MHz） |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 177K |
| 代理商： | PLL502-02 |
PLL502-02
Low Phase Noise VCXO (24MHz to 50MHz)
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
www.phaselink.com
Rev 09/17/04 Page 3
3. AC Electrical Specifications
PARAMETERS
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
Input Crystal Frequency
Output Clock Rise/Fall Time
(Standard Drive)
12
25
MHz
0.3V ~ 3.0V with 15 pF load
2.4
Output Clock Rise/Fall Time
(High Drive)
Output Clock Duty Cycle
0.3V ~ 3.0V with 15 pF load
1.2
ns
Measured @ 50% V
DD
45
50
55
%
4. Voltage Control Crystal Oscillator
PARAMETERS
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
VCXO Stabilization Time *
T
VCXOSTB
From power valid
F
XIN
= 12 – 25MHz;
XTAL C
0
/C
1
< 250
0V
≤
VCON
≤
3.3V
VCON=1.65V,
±
1.65V
0V
≤
VCON
≤
3.3V, -3dB
10
ms
VCXO Tuning Range
500
ppm
CLK output pullability
VCXO Tuning Characteristic
Pull range linearity
VCON pin input impedance
VCON modulation BW
±
200
2000
25
ppm
ppm/V
%
k
kHz
165
10
Note:
Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits.
5. Jitter and Phase Noise Specification
PARAMETERS
CONDITIONS
MIN.
TYP.
MAX.
UNITS
RMS Period Jitter
(1 sigma – 1000 samples)
Phase Noise relative to carrier
Phase Noise relative to carrier
Phase Noise relative to carrier
Phase Noise relative to carrier
Phase Noise relative to carrier
at 44MHz, with capacitive decoup-
ling between VDD and GND.
44MHz @100Hz offset
44MHz @1kHz offset
44MHz @10kHz offset
44MHz @100kHz offset
44MHz @1MHz offset
3
ps
-100
-123
-130
-125
-125
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
6. Crystal Specifications
PARAMETERS
SYMBOL
MIN.
TYP.
MAX.
UNITS
Crystal Resonator Frequency
Crystal Loading Capacitance Rating
C0/C1
ESR
F
XIN
C
L (xtal)
R
S
12
25
250
30
MHz
pF
-
9.5
Note
: Crystal Loading rating: 9.5pF is the loading the crystal sees from the VCXO chip at VCON = 1.65V. It is assumed that the crystal will be at
nominal frequency at this load. If the crystal requires more load to be at nominal frequency, the additional load must be added externally.
This however may reduce the pull range.
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| PLL502-02HSCR | 制造商:PLL 制造商全稱:PLL 功能描述:Low Phase Noise VCXO (24MHz to 50MHz) |
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