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OP4006B
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Quartz SAW Stabilized and Filtered “Diff Sine” Technology
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?
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Fundamental-Mode Oscillation at 666.51 MHz
Voltage Tunable for Phase Lock Loop Operations
Optical Timing Reference for Forward Error Correction Applications
666.51 MHz
Optical
The output of this device is generated and filtered by narrowband quartz SAW elements at 666.51 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
Timing Clock
Rating
DC Suppy Voltage
Tune Voltage
Value
0 to 5.5
0 to 6
Units
VDC
VDC
Case Temperature
-55 to 100
°C
SMC-08
Electrical Characteristics
Characteristic
Operating Frequency
Absolute Frequency
Sym
f O
Notes
1, 9
Minimum
Typical
666.51
Maximum
Units
MHz
Tune Range
2
±100
ppm
Tune Voltage
Tuning Linearity
1
1, 8
0
±3%
+3
VDC
Tuning Sensitivity
Modulation Bandwidth
df/dv
2, 10
140
125
265
300
ppm/V
kHz
Q and Q Output
Voltage into 50 Ω (VSWR ≤ 1.2)
V O
1,3
0.60
1.1
V P-P
Operating Load VSWR
1,3
2:1
Phase Noise
Symmetry
Harmonic Spurious
Nonharmonic Spurious
dBc/Hz@100Hz offset
1kHz offset
3, 4, 5
3, 4, 6
3, 4, 6, 7
49
-75
-105
51
-30
-60
%
dBc
dBc
dBc/Hz
dBc/Hz
10k offset
Noise Floor
-125
-155
Q and Q Jitter
RMS Jitter
No Noise on V CC
200 mV P-P from 1MHz to ? f O on
3, 4, 6, 7
3, 4, 6, 7
3
2
12
12
PS P-P
PS P-P
PS P-P
Input Impedence (Tuning Port)
1
K Ω
Output DC Resistance (between Q & Q)
1, 3
50
K Ω
DC Power Supply
Operating Voltage
V CC
1, 3
3.13
3.3, 5.0
5.25
VDC
Operating Current
I CC
1, 3
70
mA
Operating Case Temperature
T C
1, 3
-40°C
+85°C
°C
Lid Symbolization (YY=Year, WW=Week)
RFM OP4006B 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:
1.
2.
3.
4.
5.
6.
7.
8.
9.
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 Ω 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 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.
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 linearity definition).
One or more of the following United States patents apply: 4,616,197; 4,670,681; 4,760,352.
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 1 of 2
OP4006B - 3/27/08
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