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RO3156D Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd.

Part # RO3156D
Description  868.95 MHz SAW Resonator
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Manufacturer  MURATA [Murata Manufacturing Co., Ltd.]
Direct Link  http://www.murata.com
Logo MURATA - Murata Manufacturing Co., Ltd.

RO3156D Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd.

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www.RFM.com E-mail: info@rfm.com
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©2009 by RF Monolithics, Inc.
RO3156D - 7/30/09
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
Typical
Maximum
Units
Frequency, +25 °C
RO3156D
fC
2, 3, 4, 5
868.750
869.150
MHz
RO3156D-1
868.800
869.100
RO3156D-2
868.850
869.050
Tolerance from 916.5 MH
RO3156D
∆fC
±200
kHz
RO3156D-1
±150
RO3156D-2
±100
Insertion Loss
IL
2, 5, 6
1.20
2.5
dB
Quality Factor
Unloaded Q
QU
5, 6, 7
6300
50
Ω Loaded Q
QL
850
Temperature Stability
Turnover Temperature
TO
6, 7, 8
10
25
40
°C
Turnover Frequency
fO
fc
MHz
Frequency Temperature Coefficient
FTC
0.032
ppm/°C2
Frequency Aging
Absolute Value during the First Year
|fA|
1
10
ppm
DC Insulation Resistance between Any Two Terminals
5
1.0
M
RF Equivalent RLC Model
Motional Resistance
RM
5, 6, 7, 9
15.7
Motional Inductance
LM
18.1
µH
Motional Capacitance
CM
1.85
fF
Transducer Static Capacitance
CO
5, 6, 9
2.2
pF
Test Fixture Shunt Inductance
LTEST
2, 7
15.2
nH
Lid Symbolization
RO3156D: 715, RO3156D-1: 924, RO3156D-2: 925 //YWWS
Standard Reel Quantity
Reel Size 7 Inch
10
500 Pieces / Reel
Reel Size 13 Inch
3000 Pieces / Reel
• Ideal for 868.95 MHz FCC Part 15 Transmitters
• Very Low Series Resistance
• Quartz Stability
• Complies with Directive 2002/95/EC (RoHS)
The RO3156D is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount ceramic case.
It provides reliable, fundamental-mode stabilization of fixed-frequency transmitters operating at 868.95 MHz.
This SAW is designed specifically for remote-control and data-link transmitters operating in the under ETSI
EN 300 220 regulations.
Absolute Maximum Ratings
Rating
Value
Units
Input Power Level
10
dBm
DC Voltage
12
VDC
Storage Temperature
-40 to +85
°C
Soldering Temperature, 10 seconds / 5 cycles maximum
260
°C
868.95 MHz
SAW
Resonator
RO3156D
RO3156D-1
RO3156D-2
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
Frequency aging is the change in fC with time and is specified at +65°C or less.
Aging may exceed the specification for prolonged temperatures above +65°C.
Typically, aging is greatest the first year after manufacture, decreasing in subse-
quent years.
2.
The center frequency, fC, is measured at the minimum insertion loss point, ILMIN,
with the resonator in the 50
Ω test system (VSWR ≤ 1.2:1). The shunt
inductance, LTEST, is tuned for parallel resonance with CO at fC. Typically,
fOSCILLATOR or fTRANSMITTER is approximately equal to the resonator fC.
3.
One or more of the following United States patents apply: 4,454,488 and
4,616,197.
4.
Typically, equipment utilizing this device requires emissions testing and
government approval, which is the responsibility of the equipment manufacturer.
5.
Unless noted otherwise, case temperature TC = +25°C±2°C.
6.
The design, manufacturing process, and specifications of this device are subject
to change without notice.
7.
Derived mathematically from one or more of the following directly measured
parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.
8.
Turnover temperature, TO, is the temperature of maximum (or turnover)
frequency, fO. The nominal frequency at any case temperature, TC, may be
calculated from: f = fO [1 - FTC (TO -TC)
2]. Typically oscillator T
O is
approximately equal to the specified resonator TO.
9.
This equivalent RLC model approximates resonator performance near the
resonant frequency and is provided for reference only. The capacitance CO is
the static (nonmotional) capacitance between the two terminals measured at low
frequency (10 MHz) with a capacitance meter. The measurement includes
parasitic capacitance with "NC” pads unconnected. Case parasitic capacitance
is approximately 0.05 pF. Transducer parallel capacitance can by calculated as:
CP ≈ CO -0.05 pF.
10.
Tape and Reel Standard Per ANSI/EIA 481.
SM3838-6 Case
3.8 X 3.8
Pb


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