RO2164E
RO2164E-1
RO2164E-2
®
•
•
•
•
Ideal for European 868.35 MHz Transmitters
Very Low Series Resistance
Quartz Stability
868.35 MHz
SAW
Resonator
Complies with Directive 2002/95/EC (RoHS)
Pb
The RO2164E 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 operat-
ing at 868.35 MHz. This SAW is designed specifically for remote-control and wireless security transmitters
operating under ETSI-ETS 300 220 in Europe and under FTZ 17 TR 2100 in Germany.
Absolute Maximum Ratings
Rating
Value
0
Units
dBm
VDC
°C
Input Power Level
DC Voltage
12
Storage Temperature
Operating Temperature Range
-40 to +125
-40 to +125
°C
SM3030-6 Case
3.0 X 3.0
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
868.200
868.250
868.275
Typical
Maximum
868.500
868.450
868.425
±150
Units
Frequency (+25 °C) Nominal Frequency
RO2164E
RO2164E-1
RO2164E-2
RO2164E
f
MHz
C
2,3,4,5
Tolerance from 868.35 MHz
Df
RO2164E-1
RO2164E-2
±100
kHz
dB
C
±75
Insertion Loss
IL
2,5,6
5,6,7
1.2
8900
TBD
25
1.6
Q
Quality Factor
Unloaded Q
8000
15
U
Q
T
50 W Loaded Q
L
Temperature Stability
Turnover Temperature
35
17
°C
kHz
O
f
f
Turnover Frequency
6,7,8
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
MW
W
DC Insulation Resistance between Any Two Terminals
1.0
R
RF Equivalent RLC Model
Motional Resistance
Motional Inductance
Motional Capacitance
Shunt Static Capacitance
12
19.8
1.7
M
L
5, 6, 7, 9
µH
M
C
fF
M
C
5, 6, 9
2, 7
1.9
pF
O
L
Test Fixture Shunt Inductance
TBD
nH
TEST
Lid Symbolization (in addition to Lot and/or Date Codes)
Standard Reel Quantity Reel Size 7 Inch
Reel Size 13 Inch
516 / YWWS
500 Pieces / Reel
3000 Pieces / Reel
10
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.
7.
Derived mathematically from one or more of the following directly measured
parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.
Turnover temperature, TO, is the temperature of maximum (or turnover) fre-
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.
8.
quency, fO. The nominal frequency at any case temperature, TC, may be calcu-
2.
The center frequency, fC, is measured at the minimum insertion loss point,
lated 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 reso-
nant 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 para-
sitic capacitance with "NC” pads unconnected. Case parasitic capacitance is
approximately 0.05 pF. Transducer parallel capacitance can by calculated as:
ILMIN, with the resonator in the 50 W test system (VSWR £ 1.2:1). The shunt
inductance, LTEST, is tuned for parallel resonance with CO at fC. Typically, fOS-
CILLATOR or fTRANSMITTER is approximately equal to the resonator fC.
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 govern-
ment approval, which is the responsibility of the equipment manufacturer.
Unless noted otherwise, case temperature TC = +25°C±2°C.
The design, manufacturing process, and specifications of this device are subject
to change without notice.
9.
3.
4.
5.
6.
C
P » CO - 0.05 pF.
10. Tape and Reel Standard for ANSI / EIA 481.
RF Monolithics, Inc.
RFM Europe
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
RO2164E_RO2164E-1_RO2164E-2_042505
Page 1 of 2
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
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