RO3164A
RO3164A-1
RO3164A-2
• Ideal for European 868.35 MHz Transmitters
• Very Low Series Resistance
• Quartz Stability
• Surface-mount Ceramic Case
• Complies with Directive 2002/95/EC (RoHS)
868.35 MHz
SAW
Resonator
The RO3164A 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. This SAW is designed specifically for remote-control and wireless security
transmitters operating under ETSI EN 300 220.
Absolute Maximum Ratings
Rating
Value
+5
Units
dBm
VDC
°C
CW RF Power Dissipation
DC Voltage Between Terminals
Case Temperature
±30
-40 to +85
260
Soldering Temperature, 10 seconds / 5 cycles maximum
°C
SM5035-4
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
868.150
868.200
868.250
Typical
Maximum
868.550
868.500
868.450
±200
Units
Frequency, +25 °C
RO3164A
RO3164A-1
RO3164A-2
RO3164A
f
MHz
C
2,3,4,5
Tolerance from 868.35 MHz
∆f
RO3164A-1
RO3164A-2
±150
kHz
dB
C
±100
Insertion Loss
Quality Factor
IL
2,5,6
5,6,7
1.3
6600
800
25
2.0
Unloaded Q
Q
U
50 Ω Loaded Q
Turnover Temperature
Turnover Frequency
Q
L
Temperature Stability
T
10
40
°C
O
f
6,7,8
f
kHz
O
C
2
Frequency Temperature Coefficient
Absolute Value during the First Year
FTC
|fA|
0.032
<±10
ppm/°C
Frequency Aging
1
5
ppm/yr
MΩ
Ω
DC Insulation Resistance between Any Two Terminals
1.0
RF Equivalent RLC Model
Motional Resistance
Motional Inductance
Motional Capacitance
Shunt Static Capacitance
R
13.8
16.8
2.0
M
L
5, 6, 7, 9
µH
M
C
C
fF
M
5, 6, 9
2, 7
1.8
pF
O
Test Fixture Shunt Inductance
L
18.3
nH
TEST
Lid Symbolization (in addition to Lot and/or Date Codes)
RO3164A: 660, RO3164A-1: 780, RO3164A-2: 868 // YWWS
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
Frequency aging is the change in fC with time and is specified at +65°C or less.
to change without notice.
7.
8.
Derived mathematically from one or more of the following directly measured
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.
parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.
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
approximately equal to 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 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.
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.
9.
3.
4.
One or more of the following United States patents apply: 4,454,488 and
4,616,197.
Typically, equipment utilizing this device requires emissions testing and
government approval, which is the responsibility of the equipment manufacturer.
5.
6.
Unless noted otherwise, case temperature TC = +25 ± 2 °C.
The design, manufacturing process, and specifications of this device are subject
www.RFM.com E-mail: info@rfm.com
© 2009-2011 by RF Monolithics, Inc.
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