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参数资料
| 型号： | RO2160A |
| 厂商： | RF MONOLITHICS INC |
| 元件分类： | SAW谐振器 |
| 英文描述： | 1-PORT SAW RESONATOR, 433.9 MHz |
| 文件页数： | 1/2页 |
| 文件大小： | 171K |
| 代理商： | RO2160A |
RF Monolithics, Inc.
Phone: (972) 233-2903
Fax: (972) 387-9148
E-mail: info@rfm.com
Page 1 of 2
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
http://www.rfm.com
1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
RO2160A-062001
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
Typical
Maximum
Units
Center Frequency at +25 °C
Absolute Frequency
fC
2, 3, 4, 5
433.90
MHz
Tolerance from 433.90 MHz
f
C
±50
kHz
Insertion Loss
IL
2, 5, 6
1.1
2.0
dB
Quality Factor
Unloaded Q
QU
5, 6, 7
14,300
50
Loaded Q
QL
1,700
Temperature Stability
Turnover Temperature
TO
6, 7, 8
10
25
40
°C
Turnover Frequency
fO
fC
kHz
Frequency Temperature Coefficient
FTC
0.032
ppm/°C2
Frequency Aging
Absolute Value during the First Year
|fA|
1
±50
ppm/yr
DC Insulation Resistance between Any Two Terminals
5
1.0
M
RF Equivalent RLC Model
Motional Resistance
RM
5, 6, 7, 9
13
26
Motional Inductance
LM
69.4594
H
Motional Capacitance
CM
1.93682
fF
Transducer Static Capacitance
CP
5, 6, 7, 9
1.5
1.8
2.1
pF
Test Fixture Shunt Inductance
LTEST
2, 7
75
nH
Lid Symbolization
253
Ideal for European 433.90 MHz Transmitters
Very Low Series Resistance
Quartz Stability
Surface-Mount Ceramic Case with 21 mm2 Footprint
The RO2160A 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 433.90 MHz. This SAW is designed for AM transmitters in automotive-keyless-entry applications.
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
+250
°C
433.90 MHz
SAW
Resonator
RO2160A
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
Lifetime (10 year) frequency aging.
2.
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.
3.
One or more of the following United States patents apply: 4,454,488 and
4,616,197.
4.
Typically, equipment utilizing this device requires emissions testing and gov-
ernment approval, which is the responsibility of the equipment manufacturer.
5.
Unless noted otherwise, case temperature TC = +25°C±2°C for all specifica-
tions.
6.
The design, manufacturing process, and specifications of this device are sub-
ject 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.
8.
Turnover temperature, TO, is the temperature of maximum (or turnover) fre-
quency, fO. The nominal frequency at any case temperature, TC, may be cal-
culated from: f= fO [1- FTC (TO -TC)
2].
9.
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
be calculated as: CP ≈ CO - 0.05 pF.
SM-2 Case
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