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Murata Manufacturing Electronic Components Datasheet

RO3102 Datasheet

423.22MHz SAW Resonator

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RFM products are now
Murata products.
• Ideal for European Superheterodyne Receivers at 433.92 MHz
• Extremely Low Series Resistance
• Quartz Stability
• Rugged, Hermetic, Low-Profile TO39 Case
Pb
• Complies with Directive 2002/95/EC (RoHS)
The RO3102 is a true one-port, surface-acoustic-wave (SAW) resonator in a low-profile TO39 case. It
provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency oscillators operating at
approximately 423.22 MHz. The RO3102 is designed for 433.92 MHz superheterodyne receivers with a
10.7 MHz IF used in remote control and wireless security systems operating under ETSI I-ETS 300 220.
Absolute Maximum Ratings
Rating
CW RF Power Dissipation
DC Voltage Between Any Two Pins
Value
+0
±30
Units
dBm
VDC
Case Temperature
-40 to +85
°C
Solder Temperature, 10 seconds/5 cycles maximum
260 °C
RO3102
423.22 MHz
SAW
Resonator
TO39-3 Case
Characteristic
Center Frequency (+25 °C)
Absolute Frequency
Tolerance from 423.220 MHz
Insertion Loss
Quality Factor
Unloaded Q
50 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 Pins
RF Equivalent RLC Model Motional Resistance
Motional Inductance
Motional Capacitance
Pin 1 to Pin 2 Static Capacitance
Transducer Static Capacitance
Test Fixture Shunt Inductance
Lid Symbolization (in Addition to Lot and/or Date Codes)
Sym
fC
fC
IL
QU
QL
TO
fO
FTC
|fA|
RM
LM
CM
CO
CP
LTEST
Notes
2, 3, 4, 5
2, 5, 6
5, 6, 7
6, 7, 8
1
5
5, 7, 9
5, 6, 9
5, 6, 7, 9
2, 7
Minimum
423.145
Typical
1.4
12,500
1,900
10 25
fc
0.037

1.0
13
62
2.3
1.8
1.8
77
RFM RO3102
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Maximum
423.295
±75
2.0
Units
MHz
kHz
dB
40 °C
kHz
ppm/°C2
ppm/yr
M
µH
fF
pF
pF
nH
NOTES:
1. Frequency aging is the change in fC with time and is specified at +65°C or
measured parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.
2.
3.
4.
less. Aging may exceed the specification for prolonged temperatures
above +65°C. Typically, aging is greatest the first year after manufacture,
decreasing significantly in subsequent years.
The center frequency, fC, is measured at the minimum insertion loss point,
ILMIN, with the resonator in the 50 test system (VSWR 1.2:1). The
shunt inductance, LTEST, is tuned for parallel resonance with CO at fC.
Typically, fOSCILLATOR or fTRANSMITTER is less than the resonator fC.
One or more of the following United States patents apply: 4,454,488 and
4,616,197 and others pending.
Typically, equipment designs utilizing this device require emissions testing
and government approval, which is the responsibility of the equipment
manufacturer.
8.
9.
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 TO is 20°C
less than the specified resonator TO.
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 pin1 and pin 2 measured
at low frequency (10 MHz) with a capacitance meter. The measurement
includes case parasitic capacitance with a floating case. For usual
grounded case applications (with ground connected to either pin 1 or pin 2
and to the case), add approximately 0.25 pF to CO.
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
©2010-2014 by Murata Electronics N.A., Inc.
RO3102 (R) 4/7/14
Page 1 of 2
www.murata.com


Murata Manufacturing Electronic Components Datasheet

RO3102 Datasheet

423.22MHz SAW Resonator

No Preview Available !

Electrical Connections
This one-port, two-terminal SAW resonator is bidirectional. The terminals
are interchangeable with the exception of circuit board layout.
Pin Connection
1 Terminal 1
2 Terminal 2
3 Case Ground
Bottom View
Pin 1
Pin 2
Pin 3
Typical Test Circuit
The test circuit inductor, LTEST, is tuned to resonate with the static
capacitance, CO at FC.
Electrical Test:
Network
Analyzer
1
2 Network
Analyzer
3
Power Test:
50
Source at
FC
PINCIDENT
PREFLECTED
Low-Loss
Matching
Network
to 50
3
1
2
CW RF Power Dissipation = PINCIDENT - PREFLECTED
Typical Application Circuits
Typical Low-Power Transmitter Application:
200k
Modulation
MPS-H10
Input
C1
12
ROXXXX
Bottom View
C2
3
470
+9VDC
47
L1
(Antenna)
RF Bypass
Typical Local Oscillator Application:
+VDC
1
ROXXXX
Bottom View
C1
2
C2
3
Output
L1
+VDC
RF Bypass
Temperature Characteristics
The curve shown on the right
accounts for resonator
contribution only and does not
include oscillator temperature
characteristics.
fC = fO , TC = T O
00
-50 -50
-100
-100
-150
-150
-200
-200
-80 -60 -40 -20 0 +20 +40 +60 +80
T = TC - TO ( °C )
Equivalent LC Model
The following equivalent LC model is valid near resonance:
12
Cp
RM LM CM
0.5 pF*
Case Design
Co= Cp +0.25 pF*
*Case Parasitics
0.5 pF*
3
C
B
G
F
AE
D
(3 places)
J
(2 places)
H
45°
Dimensions
A
B
C
D
E
F
G
H
J
Millimeters
Min Max
9.40
3.18
2.50 3.50
0.46 Nominal
5.08 Nominal
2.54 Nominal
2.54 Nominal
1.02
1.40
Inches
Min Max
0.370
0.125
0.098
0.138
0.018 Nominal
0.200 Nominal
0.100 Nominal
0.100 Nominal
0.040
0.055
©2010-2014 by Murata Electronics N.A., Inc.
RO3102 (R) 4/7/14
Page 2 of 2
www.murata.com


Part Number RO3102
Description 423.22MHz SAW Resonator
Maker muRata
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RO3102 Datasheet PDF






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