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OP4015B

更新时间： 2024-11-04 10:22:35
品牌 Logo 应用领域
RFM 振荡器输出元件时钟
页数 文件大小 规格书
2页 126K
描述
780.881 MHz Optical Timing Clock

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OP4015B 数据手册

 浏览型号OP4015B的Datasheet PDF文件第2页 
Preliminary  
OP4015B  
•
•
•
Quartz SAW Stabilized and Filtered “Diff Sine” Technology  
Fundamental-Mode Oscillation at 780.881 MHz  
Voltage Tunable for Phase Lock Loop Operations  
780.881 MHz  
Optical  
Timing Clock  
The output of this device is generated and filtered by narrowband quartz SAW elements at 780.881 MHz. The  
configuration of this clock is intended to provide a pure signal for optical timing applications in noisy signal  
environments. The Q/Qbar differential output swing of ±1 volt about 0 vdc has symmetry better than ±1% into  
loads from 40 ohms to 70 ohms; determined by customer application. The long term frequency accuracy is  
set by an external reference source allowing this device to complete a Phase Lock Loop design without the  
usual noise and jitter problems associated with PLL’s.  
Absolute Maximum Ratings  
Rating  
Value  
0 to 5.5  
0 to 6  
Units  
VDC  
VDC  
°C  
DC Suppy Voltage  
Tune Voltage  
Case Temperature  
-55 to 100  
SMC-08  
Electrical Characteristics  
Characteristic  
Sym  
Notes  
1, 9  
2
Minimum  
Typical  
Maximum  
Units  
MHz  
ppm  
Operating Frequency  
Absolute Frequency  
Tune Range  
f
780.881  
O
±25  
0
1
Tune Voltage  
+3  
VDC  
1, 8  
2, 10  
±3%  
265  
Tuning Linearity  
140  
125  
0.60  
Tuning Sensitivity  
Modulation Bandwidth  
Voltage into 50 W (VSWR£1.2)  
df/dv  
300  
ppm/V  
kHz  
Q and Q Output  
V
1,3  
1,3  
1.1  
2:1  
V
P-P  
O
Operating Load VSWR  
Symmetry  
3, 4, 5  
3, 4, 6  
3, 4, 6, 7  
49  
51  
-30  
-60  
%
Harmonic Spurious  
Nonharmonic Spurious  
dBc/Hz@100Hz offset  
1kHz offset  
dBc  
dBc  
Phase Noise  
-70  
-100  
-120  
-150  
.20  
dBc/Hz  
dBc/Hz  
10k offset  
Noise Floor  
3, 4, 6, 7  
3, 4, 6, 7  
3
Q and Q Jitter  
RMS Jitter (12 kHz to 80 MHz)  
ps  
No Noise on V  
10  
PS  
PS  
CC  
P-P  
200 mV  
from 1MHz to ½ f on  
12  
P-P  
O
P-P  
Input Impedence (Tuning Port)  
Output DC Resistance (between Q & Q)  
1
KW  
1, 3  
1, 3  
1, 3  
1, 3  
50  
KW  
VDC  
mA  
DC Power Supply  
3.13  
5.25  
70  
Operating Voltage  
Operating Current  
V
3.3, 5.0  
CC  
I
CC  
Operating Case Temperature  
T
-40°C  
+85°C  
°C  
C
Lid Symbolization (YY=Year, WW=Week)  
RFM OP4015B YYWW  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. COCOM CAUTION: Approval by the U.S. Department of Commerce is  
required prior to export of this device.  
Notes:  
BLOCK DIAGRAM  
1.  
Unless otherwise noted, all specifications include any combination of load VSWR, Vcc, and temperature, with Q and Q terminated into  
50 ohm loads to ground (see typical test circuit).  
Useful tuning range is in excess of what is required over temp, aging, pushing, pulling & accuracy.  
The design, manufacturing process, and specifications of this device are subject to change without notice.  
Only under the nominal conditions of 50 W load impedance with VSWR £ 1.2 and nominal power supply voltage.  
Symmetry is defined as the pulse width (in percent of total period) measured at the 50% points of Q or Q (see timing definitions).  
Jitter and other spurious outputs induced by externally generated electrical noise on VCC or mechanical vibration are not included in this  
V
CC  
2.  
3.  
4.  
5.  
6.  
Q
_
Q
specification, except where noted. External voltage regulation and careful PCB layout are recommended for optimum performance.  
Applies to period jitter of Q and Q. Measurements are made with the Tektronix CSA803 signal analyzer with at least 1000 samples.  
Linearity is a function of the percentage variation from a permitted linear deviation versus the amount of frequency tune range (see lin-  
earity definition).  
V
tune  
7.  
8.  
SAW Oscillator  
Buffer Amplifier  
9.  
One or more of the following United States patents apply: 4,616,197; 4,670,681; 4,760,352.  
RF Monolithics, Inc.  
RFM Europe  
Phone: (972) 233-2903  
Phone: 44 1963 251383  
Fax: (972) 387-8148  
Fax: 44 1963 251510  
E-mail: info@rfm.com  
http://www.rfm.com  
OP4015B-041003  
Page 1 of 2  
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.  
12

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