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RO3144D

更新时间： 2024-02-05 23:54:52
品牌 Logo 应用领域
村田 - MURATA 晶体谐振器
页数 文件大小 规格书
2页 90K
描述
1-PORT SAW RESONATOR, 916.5 MHz, ROHS COMPLIANT, CERAMIC, CASE SM3838-6, 6 PIN

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RO3144D 技术参数

生命周期：Active包装说明：ROHS COMPLIANT, CERAMIC, CASE SM3838-6, 6 PIN
Reach Compliance Code：unknown风险等级：5.61
其他特性：TAPE AND REEL晶体/谐振器类型：1-PORT
频率容差 (MHz)：0.2插入损耗：2.5 dB
安装特点：SURFACE MOUNT标称工作频率：916.5 MHz
并联电容：2.05 pF物理尺寸：L4.0XB4.0XH1.4 (mm)/L0.157XB0.157XH0.055 (inch)
表面贴装：YESBase Number Matches：1

RO3144D 数据手册

 浏览型号RO3144D的Datasheet PDF文件第2页 
RO3144D  
RO3144D-1  
RO3144D-2  
• Ideal for 916.5 MHz FCC Part 15 Transmitters  
• Very Low Series Resistance  
• Quartz Stability  
• Complies with Directive 2002/95/EC (RoHS)  
916.5 MHz  
SAW  
Resonator  
Pb  
The RO3144D is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount ceramic case.  
It provides reliable, fundamental-mode stabilization of fixed-frequency transmitters operating at 916.5 MHz.  
This SAW is designed specifically for remote-control and data-link transmitters operating in the USA under  
FCC Part 15 regulations.  
Absolute Maximum Ratings  
Rating  
Value  
Units  
Input Power Level  
10  
dBm  
DC Voltage  
12  
VDC  
°C  
Storage Temperature  
-40 to +85  
Soldering Temperature (10 seconds / 5 cycles max.)  
260  
°C  
SM3838-6 Case  
3.8 X 3.8  
Electrical Characteristics  
Characteristic  
Sym  
Notes  
Minimum  
Typical  
Maximum  
Units  
Frequency (+25 °C) Nominal Frequency  
Tolerance from 916.5 MHz  
Insertion Loss  
RO3144D  
916.300  
916.700  
f
RO3144D-1  
RO3144D-2  
RO3144D  
916.350  
916.400  
916.650  
916.600  
±200  
MHz  
C
2, 3, 4, 5  
Δf  
RO3144D-1  
RO3144D-2  
±150  
kHz  
dB  
C
±100  
IL  
2, 5, 6  
5, 6, 7  
1.20  
6800  
700  
25  
2.5  
Quality Factor  
Unloaded Q  
Q
U
50 Ω Loaded Q  
Turnover Temperature  
Q
L
O
O
Temperature Stability  
T
10  
40  
°C  
Turnover Frequency  
f
6, 7, 8  
fc  
MHz  
2
Frequency Temperature Coefficient  
Absolute Value during the First Year  
FTC  
|fA|  
0.032  
10  
ppm/°C  
ppm  
Frequency Aging  
1
5
DC Insulation Resistance between Any Two Terminals  
1.0  
MΩ  
Ω
µH  
fF  
RF Equivalent RLC Model  
Motional Resistance  
R
11.8  
14  
M
Motional Inductance  
L
5, 6, 7, 9  
M
Motional Capacitance  
Transducer Static Capacitance  
C
C
2.1  
M
O
5, 6, 9  
2, 7  
2.1  
pF  
nH  
Test Fixture Shunt Inductance  
Lid Symbolization  
L
14.3  
TEST  
RO3144D 692, RO3144D-1 767, RO3144D-2 768 / YWWS  
Standard Reel Quantity  
Reel Size 7 Inch  
Reel Size 13 Inch  
500 Pieces / Reel  
10  
3000 Pieces / Reel  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.  
Notes:  
7.  
8.  
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)  
frequency, fO. The nominal frequency at any case temperature, TC, may be  
calculated 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  
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 by calculated as:  
CP ≈ CO - 0.05 pF.  
1.  
2.  
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 subse-  
quent years.  
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. Typically,  
9.  
fOSCILLATOR or fTRANSMITTER is approximately equal to the resonator fC.  
3.  
4.  
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  
government approval, which is the responsibility of the equipment manufacturer.  
5.  
6.  
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.  
10. Tape and Reel Standard Per ANSI/EIA 481.  
www.RFM.com  
E-mail: info@rfm.com  
Page 1 of 2  
©2008 by RF Monolithics, Inc.  
RO3144D - 3/27/08  
12

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