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RO3075E

更新时间： 2024-01-25 06:34:42
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, 345 MHz, ROHS COMPLIANT, CERAMIC, CASE SM3030-6

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中文翻译

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RO3075E 技术参数

生命周期：Obsolete包装说明：ROHS COMPLIANT, CERAMIC, CASE SM3030-6
Reach Compliance Code：unknown风险等级：5.82
其他特性：TAPE AND REEL晶体/谐振器类型：1-PORT
频率稳定性：0.0205%频率容差 (MHz)：0.1
插入损耗：2.2 dB安装特点：SURFACE MOUNT
标称工作频率：345 MHz最高工作温度：105 °C
最低工作温度：-40 °C并联电容：4.25 pF
物理尺寸：L3.13XB3.13XH1.38 (mm)/L0.123XB0.123XH0.054 (inch)表面贴装：YES
Base Number Matches：1

RO3075E 数据手册

 浏览型号RO3075E的Datasheet PDF文件第2页 
RO3075E  
• Ideal for 345 MHz Automotive-Keyless-Entry Transmitters  
• Very Low Series Resistance  
345.0 MHz  
SAW  
• Quartz Stability  
• Complies with Directive 2002/95/EC (RoHS)  
Pb  
Pb  
The RO3075E 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  
operating at 345 MHz. The RO3075E is designed for wireless remote control and security transmitters  
operating in the USA under FCC Part 15.  
Absolute Maximum Ratings  
Rating  
Value  
0
Units  
dBm  
VDC  
°C  
Input Power Level  
DC Voltage  
12  
Storage Temperature Range  
Operating Temperature Range  
Soldering Temperature (10 seconds / 5 cycles max.)  
-40 to +125  
-40 to +105  
260  
°C  
SM3030-6 Case  
3.0 X 3.0  
°C  
Electrical Characteristics  
Characteristic  
Sym  
Notes  
Minimum  
Typical  
Maximum  
Units  
f
344.900  
345.100  
MHz  
kHz  
dB  
Frequency (+25 °C)  
Absolute Frequency  
C
2, 3, 4, 5  
Δf  
Tolerance from 345.0 MHz  
±100  
2.2  
C
Insertion Loss  
Quality Factor  
IL  
2, 5, 6  
1.4  
27000  
4200  
25  
Q
Unloaded Q  
U
Q
T
50W Loaded Q  
L
Temperature Stability  
Turnover Temperature  
Turnover Frequency  
10  
35  
°C  
O
f
f
6, 7, 8  
O
C
2
Frequency Temperature Coefficient  
Absolute Value during the First Year  
FTC  
0.032  
10  
ppm/°C  
|f |  
Frequency Aging  
1, 6  
5
ppm/yr  
MΩ  
Ω
A
DC Insulation Resistance between Any Two Terminals  
1.0  
R
RF Equivalent RLC Model  
Motional Resistance  
Motional Inductance  
Motional Capacitance  
Shunt Static Capacitance  
18  
240  
0.9  
4.3  
50  
M
L
5, 7, 9  
µH  
M
C
fF  
M
C
5, 6, 9  
2, 7  
pF  
O
L
Test Fixture Shunt Inductance  
Lid Symbolization  
nH  
TEST  
694 // YWWS  
500 Pieces / Reel  
3000 Pieces / Reel  
Reel Size 7 Inch  
Reel Size 13 Inch  
StandardReelQuantity  
10  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.  
Notes:  
1.  
2.  
Frequency aging is the change in f with time and is specified at +65°C or  
C
subject to change without notice.  
7.  
8.  
Derived mathematically from one or more of the following directly  
measured parameters: f , IL, 3 dB bandwidth, f versus T , and C .  
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.  
C
C
C
O
Turnover temperature, T , is the temperature of maximum (or turnover)  
O
The center frequency, f , is measured at the minimum insertion loss point,  
frequency, f . The nominal frequency at any case temperature, T , may be  
C
O
C
IL , with the resonator in the 50 Ω test system (VSWR ≤ 1.2:1). The  
2
MIN  
calculated from: f = f [1 - FTC (T -T ) ]. Typically oscillator T is  
O
O
C
O
shunt inductance, L  
, is tuned for parallel resonance with C at f .  
TEST  
O C  
approximately equal to the specified resonator T .  
This equivalent RLC model approximates resonator performance near the  
resonant frequency and is provided for reference only. The capacitance C  
is the static (nonmotional) capacitance between the two terminals  
measured at low frequency (10 MHz) with a capacitance meter. The  
O
Typically, f  
or f  
is approximately equal to the  
TRANSMITTER  
OSCILLATOR  
9.  
resonator f .  
C
O
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.  
measurement includes parasitic capacitance with "NC” pads unconnected.  
Case parasitic capacitance is approximately 0.05 pF. Transducer parallel  
capacitance can by calculated as: C ≈ C - 0.05 pF.  
P
O
5.  
6.  
Unless noted otherwise, case temperature T = +25°C±2°C.  
C
10. Tape and Reel Standard Per ANSI / EIA 481.  
The design, manufacturing process, and specifications of this device are  
www.RFM.com  
©2008 by RF Monolithics, Inc.  
E-mail: info@rfm.com  
Page 1 of 2  
- 3/26/08  
12

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