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RO3164A-3 Datasheet, PDF (1/2 Pages) Murata Manufacturing Co., Ltd. – 868.35 MHz SAW Resonator
RO3164A-3
• Ideal for European 868.35 MHz Transmitters
• Very Low Series Resistance
• Quartz Stability
• Surface-Mount Ceramic Case with 21 mm2 Footprint
• Complies with Directive 2002/95/EC (RoHS)
868.35 MHz
SAW
The RO3164A-3 is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount ceramic case.
It provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency transmitters
operating at 868.35 MHz.
Absolute Maximum Ratings
Rating
Value
Units
CW RF Power Dissipation
+5
dBm
DC Voltage Between Terminals
±30
VDC
Case Temperature
-40 to +85
°C
Soldering Temperature (10 seconds / 5 cycles max.)
260
°C
Resonator
Electrical Characteristics
Characteristic
Frequency (+25 °C) Nominal Frequency RO3164A-3
Tolerance from 868.35 MHz
RO3164A-3
Insertion Loss
Quality Factor
Unloaded Q
50 Ω Loaded Q
Temperature Stability
Turnover Temperature
Turnover Frequency
Frequency Temperature Coefficient
Frequency Aging
Absolute Value during the First Year
DC Insulation Resistance between Any Two Terminals
RF Equivalent RLC Model Motional Resistance
Motional Inductance
Motional Capacitance
Shunt Static Capacitance
Test Fixture Shunt Inductance
Lid Symbolization (in addition to Lot and/or Date Codes)
Sym
fC
ΔfC
IL
QU
QL
TO
fO
FTC
|fA|
RM
LM
CM
CO
LTEST
Notes
2,3,4,5
2,5,6
5,6,7
6,7,8
1
5
5, 6, 7, 9
5, 6, 9
2, 7
Minimum
868.275
Typical
1.3
6600
800
10
25
fC
0.032
<±10
1.0
13.8
16.8
2.0
1.8
18.3
814 // YWWS
SM5035-4
Maximum
868.425
±75
2.0
Units
MHz
kHz
dB
40
°C
kHz
ppm/°C2
ppm/yr
MΩ
Ω
µH
fF
pF
nH
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 6. The design, manufacturing process, and specifications of this device are
less. Aging may exceed the specification for prolonged temperatures
subject to change without notice.
above +65°C. Typically, aging is greatest the first year after manufacture, 7. Derived mathematically from one or more of the following directly
decreasing in subsequent years.
measured parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.
2. The center frequency, fC, is measured at the minimum insertion loss point, 8. Turnover temperature, TO, is the temperature of maximum (or turnover)
ILMIN, with the resonator in the 50 Ω test system (VSWR ≤ 1.2:1). The
frequency, fO. The nominal frequency at any case temperature, TC, may be
shunt inductance, LTEST, is tuned for parallel resonance with CO at fC.
Typically, fOSCILLATOR or fTRANSMITTER is approximately equal to the
resonator fC.
calculated from: f = fO [1 - FTC (TO -TC)2]. Typically oscillator TO is
approximately equal to the specified resonator TO.
9. This equivalent RLC model approximates resonator performance near the
3. One or more of the following United States patents apply: 4,454,488 and
4,616,197.
resonant frequency and is provided for reference only. The capacitance CO
is the static (nonmotional) capacitance between the two terminals
4. Typically, equipment utilizing this device requires emissions testing and
government approval, which is the responsibility of the equipment
measured at low frequency (10 MHz) with a capacitance meter. The
measurement includes parasitic capacitance with "NC” pads unconnected.
manufacturer.
5. Unless noted otherwise, case temperature TC = +25°C±2°C.
Case parasitic capacitance is approximately 0.05 pF. Transducer parallel
capacitance can by calculated as: CP ≈ CO - 0.05 pF.
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RO3164A-3 - 4/10/08