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参数资料
| 型号： | VT-501-EAR-506E-12M5000000 |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | XO, clock |
| 英文描述： | TCVCXO, CLOCK, 12.5 MHz, CMOS OUTPUT |
| 封装： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN |
| 文件页数： | 3/6页 |
| 文件大小： | 248K |
| 代理商： | VT-501-EAR-506E-12M5000000 |
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 http://www.vectron.com
Page3
VCXO Feature: The VT-501 can be ordered with a VCXO function for applications were it will be used in a PLL, or the output frequency
needs fine tune or calibration adjustments. This is a high impedance input , 1Mohm, and can be driven with an op-amp or terminated with
adjustable resistors etc. Pin 1 should not be left floating on the VCXO optional device.
“No Adjust” Option: In applications were the VT-501 will not be used in a PLL , or the output frequency does not need fine tune
adjustments, the best device to use would be a VT-501-xxx-xxx0. By using the “no adjust” option, the circuit is simplified as Vc does not
need to be adjusted or set to a predetermined voltage and pin 1 should be grounded (pin 1 can be left open but should not be set to a
voltage such as an RF signal or power supply voltage.
S
Figure 3 Phase Noise Plot for a 10.000MHz output
VCXO Function
Phase Noise and Alan Deviation Plot
Test Circuit
I
DD
V
DD
V
C
I
C
15pF
4
12
3
.1μF
.01μF
+
-
+
-
t
R
t
F
V
OH
V
OL
50%
On Time
Period
Figure 1 Test Circuit
Figure 2 Duty Cycle, On Time/Period
Figure 4 Alan Deviation Plot for a 10.000MHz output
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| VT-501-EAR-506E-12M8000000 | TCVCXO, CLOCK, 12.8 MHz, CMOS OUTPUT |
| VT-501-EAR-506E-25M1658240 | TCVCXO, CLOCK, 25.165824 MHz, CMOS OUTPUT |
| VT-501-EAR-506E-30M7200000 | TCVCXO, CLOCK, 30.72 MHz, CMOS OUTPUT |
| VT-501-EAR-506E-44M0000000 | TCVCXO, CLOCK, 44 MHz, CMOS OUTPUT |
| VT-501-EAR-506E-46M0800000 | TCVCXO, CLOCK, 46.08 MHz, CMOS OUTPUT |
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