OP4018B1 Datasheet, PDF (1/2 Pages) Murata Manufacturing Co., Ltd. – 718.864 MHz Optical Timing Clock

• Fundamental-Mode Oscillation at 718.864 MHz
• Quartz SAW Stabilized and Filtered “Diff Sine” Technology
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• Voltage Tunable for Phase Lock Loop Operations
• Optical Timing Reference for Forward Error Correction Applications
• Complies with Directive 2002/95/EC (RoHS)
The output of this device is generated and filtered by narrowband quartz SAW elements at 718.864 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 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
DC Suppy Voltage
Tuning Voltage
Case Temperature
Value
0 to 5.5
0 to 5.5
-55 to 100
Units
Vdc
Vdc
°C
OP4018B1
718.864 MHz
Optical
Timing Clock
SMC-8A
Electrical Characteristics
Characteristic
Operating Frequency Absolute Frequency
Tuning Frequency Range
Tuning Voltage Range
Tuning Linearity
Modulation Bandwidth
Tuning Input DC Resistance
Tuning Slope
Q and Q Output
Voltage into 50 Ω (VSWR<1.2)
Operating Load VSWR
Symmetry
Harmonic Spurious
Nonharmonic Spurious
Phase Noise
@100 Hz offset
@1 kHz offset
@10 kHz offset
@100 kHz offset
Noise Floor
Jitter
RMS Jitter (10 kHz to 80 MHz)
200 mV_P-P from 1 MHz to ½ f_O on
Output DC Resistance (between Q & Q)
DC Power Supply
Operating Voltage
Operating Current
Operating Ambient Temperature
Lid Symbolization (YY=Year, WW=Week)
Sym
f_O
V_O
V_CC
I_CC
T_C
Notes
1, 9
2
1
1, 8
1,3
1,3
3, 4, 5
3, 4, 6
3, 4, 6, 7
3, 4, 6, 7
3
1, 3
1, 3
1, 3
1, 3
Minimum
±50
1.8
100
100
150
0.6
49
Typical
718.863785
2.4
±3
250
-70
-100
-125
-140
-150
50
3.135
3.300
0
RFM OP4018B1 YYWW
Maximum
3
±5
350
1.1
2:1
51
-15
-65
-65
-95
-120
-135
0.5
-50
3.465
70
+85
Units
MHz
ppm
V
%
kHz
KΩ
ppm/volt
V_P-P
%
dBc
dBc
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ps_P-P
dBc
KΩ
Vdc
mA
°C
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:
1. Unless otherwise noted, all specifications include any combination of load VSWR, VCC, and TC. In addition, Q and Q are terminated into 50 Ω loads to
ground.
2. Customer useful tune range in excess of what part requires over temp, aging, pushing, pulling & accuracy.
3. The design, manufacturing process, and specifications of this device are subject to change without notice.
4. Only under the nominal conditions of 50 Ω load impedance with VSWR ≤ 1.2 and nominal power supply voltage.
5. Symmetry is defined as the pulse width (in percent of total period) measured at the 50% points of Q or Q. (See: Timing Definitions.)
6. Jitter and other spurious outputs induced by externally generated electrical noise on V_CC or mechanical vibration are not included in this specification, except
where noted. External voltage regulation and careful PCB layout are recommended for optimum performance.
7. Applies to period jitter of Q and Q. Measurements are made with the Tektronix CSA803 signal analyzer with at least 1000 samples.
8. Linearity is a function of the percentage variation from a permitted linear deviation versus the amount of frequency tune range. See Linearity Definition.
9. One or more of the following United States patents apply: 4,616,197; 4,670,681; 4,760,352.
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OP4018B1 - 2/4/10