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参数资料
| 型号： | RO2136A |
| 厂商： | RF MONOLITHICS INC |
| 元件分类： | SAW谐振器 |
| 英文描述： | 1-PORT SAW RESONATOR, 432.92 MHz |
| 封装： | ROHS COMPLIANT, CERAMIC, CASE SM-2, 4 PIN |
| 文件页数： | 1/2页 |
| 文件大小： | 114K |
| 代理商： | RO2136A |
Preliminary
www.RFM.com
E-mail: info@rfm.com
Page 1 of 2
2008 by RF Monolithics, Inc.
RO2136A - 3/25/08
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
Typical
Maximum
Units
Center Frequency at +25 °C
Absolute Frequency
fC
2, 3, 4, 5
432.845
432.995
MHz
Tolerance from 432.920 MHz
ΔfC
±75
kHz
Insertion Loss
IL
2, 5, 6
1.5
dB
Quality Factor
Unloaded Q
QU
5, 6, 7
1.3
50
Ω Loaded Q
QL
15.650
Temperature Stability
Turnover Temperature
TO
6, 7, 8
10
25
40
°C
Turnover Frequency
fO
fc
Frequency Temperature Coefficient
FTC
0.032
ppm/°C2
Frequency Aging
Absolute Value during the First Year
|fA|
1
≤10
ppm/yr
DC Insulation Resistance between Any Two Terminals
5
1.0
M
Ω
RF Equivalent RLC Model
Motional Resistance
RM
5, 7, 9
16
19
Ω
Motional Inductance
LM
92.0548
H
Motional Capacitance
CM
1.46818
fF
Transducer Static Capacitance
CO
5, 6, 9
1.4
1.7
2.0
pF
Test Fixture Inductance
LTEST
2,7
79
nH
Lid Symbolization
143
Ideal for 433.92 MHz Superhet Receiver LOs
Very Low Series Resistance
Quartz Stability
Surface-Mount Ceramic Case with 21 mm2 Footprint
Complies with Directive 2002/95/EC (RoHS)
The RO2136A is a true one-port, surface-acoustic-wave (SAW) resonator in a low profile surface-mount
ceramic case. It provides reliable, fundamental-mode, quartz frequency stabilization of local oscillators
operating at approximately 432.920 MHz. This SAW is designed specifically for remote-control and wireless
security receivers 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
+10
dBm
DC Voltage Between Terminals
±30
VDC
Case Temperature
-40 to +85
°C
Soldering Temperature (10 seconds / 5 cycles max.)
260
°C
432.920 MHz
SAW
Resonator
RO2136A
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 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 for all
specifications.
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].
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 0.05pF. Transducer parallel
capacitance can be calculated as: CP ≈ CΟ 0.05 pF.
SM-2 Case
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