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參數(shù)資料
| 型號(hào)： | RO3023 |
| 廠商： | RF MONOLITHICS INC |
| 元件分類： | SAW諧振器 |
| 英文描述： | 1-PORT SAW RESONATOR, 433.97 MHz |
| 封裝： | HERMETIC, LOW PROFILE, CASE TO39-3 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 135K |
| 代理商： | RO3023 |
www.RFM.com
E-mail: info@rfm.com
Page 1 of 2
2008 by RF Monolithics, Inc.
RO3023 - 3/26/08
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
Typical
Maximum
Units
Center Frequency at +25 °C
Absolute Frequency
fC
2, 3, 4, 5
433.895
434.045
MHz
Tolerance from 433.970 MHz
ΔfC
±75
kHz
Insertion Loss
IL
2, 5, 6
2.5
4.8
dB
Quality Factor
Unloaded Q
QU
5, 6, 7
8,500
50 W Loaded Q
QL
2200
Temperature Stability
Turnover Temperature
TO
6, 7, 8
10
25
40
°C
Turnover Frequency
fO
fc + 2.3
kHz
Frequency Temperature Coefficient
FTC
0.037
ppm/°C2
Frequency Aging
Absolute Value during the First Year
|fA|
1
≤10
ppm/yr
DC Insulation Resistance between Any Two Pins
5
1.0
M
Ω
RF Equivalent RLC Model
Motional Resistance
RM
5, 7, 9
34.5
Ω
Motional Inductance
LM
107
H
Motional Capacitance
CM
1.3
fF
Pin 1 to Pin 2 Static Capacitance
CO
5, 6, 9
2.1
pF
Transducer Static Capacitance
CP
5, 6, 7, 9
1.8
pF
Test Fixture Shunt Inductance
LTEST
2, 7
68.2
nH
Lid Symbolization
RFM RO3023 Datecode
TO39-3 Case
Ideal for European 433.92 MHz Transmitters
Low Series Resistance
Quartz Stability
Rugged, Hermetic, Low-Profile TO39 Case
The RO3023 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 transmitters operating
at 433.92 MHz. The RO3023 is designed specifically for remote-control and wireless security devices
operating in Europe under ETSI I-ETS 300 220 and in Germany under FTZ 17 TR 2100.
Absolute Maximum Ratings
Rating
Value
Units
CW RF Power Dissipation
(See: Typical Test Circuit)
+0
dBm
DC Voltage Between Any Two Pins
(Observe ESD Precautions)
±30
VDC
Case Temperature
-40 to +85
°C
Soldering Temperature (10 seconds / 5 cycles max.)
260
°C
433.97 MHz
SAW
Resonator
RO3023
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. Aging may exceed the specification for prolonged temperatures
above +65°C. Typically, aging is greatest the first year after manufacture,
decreasing in subsequent years.
2.
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.
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
government approval, which is the responsibility of the equipment
manufacturer.
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.
8.
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 T
O is
20°C less than the specified resonator TO.
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 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 grund connected to either Pin
1 or Pin 2 and to the case), add approximately 0.25 pF to CO.
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