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PDF ( 数据手册 , 数据表 ) RO2101A

零件编号 RO2101A
描述 433.92 MHz SAW Resonator
制造商 RF Monolithics Inc
LOGO RF Monolithics  Inc LOGO 


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RO2101A 数据手册, 描述, 功能
• Ideal for European 433.92 MHz Transmitters
• Very Low Series Resistance
• Quartz Stability
• Surface-Mount Ceramic Case with 21 mm2 Footprint
The RO2101A 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 433.92 MHz. This SAW is designed specifically for remote-control and wireless security transmitters op-
erating in Europe under ETSI I-ETS 300 220 and in Germany under FTZ 17 TR 2100.
RO2101A
433.92 MHz
SAW
Resonator
Absolute Maximum Ratings
Rating
CW RF Power Dissipation (See: Typical Test Circuit)
DC voltage Between Terminals (Observe ESD Precautions)
Case Temperature
Soldering Temperature
Value
+0
±30
-40 to +85
+250
Units
dBm
VDC
°C
°C
SM-2 Case
Electrical Characteristics
Characteristic
Center Frequency (+25 °C) Absolute Frequency
Tolerance from 433.920 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 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
fC
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, 7, 9
5, 6, 9
2, 7
Minimum
433.845
Typical
1.1
14,300
1,700
10 25
fC
0.032
10
1.0
13
69.4594
1.93682
1.5 1.8
75
100
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
Maximum
433.995
±75
2.2
Units
MHz
kHz
dB
40 °C
ppm/°C2
ppm/yr
M
26
µH
fF
2.1 pF
nH
1. Frequency aging is the change in fC with time and is specified at +65°C or less. 8. Turnover temperature, TO, is the temperature of maximum (or turnover) fre-
Aging may exceed the specification for prolonged temperatures above +65°C.
quency, fO. The nominal frequency at any case temperature, TC, may be calcu-
2.
Typically, aging is greatest the first year after manufacture, decreasing in subse-
quent 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, fOS-
9.
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
CILLATOR or fTRANSMITTER is approximately equal to the resonator fC.
frequency (10 MHz) with a capacitance meter. The measurement includes para-
3. One or more of the following United States patents apply: 4,454,488 and
sitic capacitance with "NC” pads unconnected. Case parasitic capacitance is
4,616,197.
approximately 0.05 pF. Transducer parallel capacitance can by calculated as:
4. Typically, equipment utilizing this device requires emissions testing and govern-
ment approval, which is the responsibility of the equipment manufacturer.
CP CO - 0.05 pF.
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.
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
http://www.rfm.com
RO2101A-061301
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