APPLICATIONHINT31 [ETC]
Ceramic Resonators for the MICRF001 ; 陶瓷谐振器的MICRF001\n
| 型号： | APPLICATIONHINT31 |
| 厂家： | 
ETC |
| 描述： | Ceramic Resonators for the MICRF001
|
| 文件： | 总2页 (文件大小：19K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Application Hint 31
Ceramic Resonators for the MICRF001
by Tom Yestresbsky
Ceramic Resonators and
Series Resistance
Murata Part Number
(Leaded Package)
Ref. Freq.
fT
TX Freq.
fTX
CSA2.44MG05051
CSA3.00MG05051
CSA3.02MG05051
CSA3.07MG05051
CSA3.21MG05051
CSA3.24MG05051
CSA3.31MG05051
CSA3.36MG05051
2.44MHz
3.00MHz
3.02MHz
3.07MHz
3.21MHz
3.24MHz
3.31MHz
3.36MHz
315MHz
387MHz
390MHz
396MHz
414MHz
418MHz
427MHz
433.9MHz
Anon-boardoscillatorwithintheMICRF001, togetherwithan
externally connected resonator or clock signal, establishes
the operating frequency of the MICRF001. When using a
resonator (ceramic resonator or crystal), its series resistance
should be minimized to the extent possible, to ensure oscil-
lation. In case where the resonator series resistance is too
great, the oscillator may oscillate at a diminished peak-to-
peak level, or may fail to oscillate entirely. Micrel recom-
mends that series resistances for ceramic resonators and
crystals not exceed 50Ω and 100Ω, respectively.
Ceramic Resonators Availability
A family of ceramic resonators, manufactured by Murata
Electronics, and providing low series resistance, has been
characterized with the MICRF001 in SWP mode. These
standard values (shown in the table below) provide a conve-
nient solution for many common frequencies worldwide.
Sample quantities of these standard values are stocked by
Murata Electronics for rapid-protyping purposes
(www.murata.com). Murata can also provide resonators for
custom frequencies and high-volume applications.
Murata Part Number
(Surface-Mount Package)
Ref. Freq.
fT
TX Freq.
fTX
CSAC2.44MGC05051-TC
CSAC3.00MGC05051-TC
CSAC3.02MGC05051-TC
CSAC3.07MGC05051-TC
CSAC3.21MGC05051-TC
CSAC3.24MGC05051-TC
CSAC3.31MGC05051-TC
CSAC3.36MGC05051-TC
2.44MHz
3.00MHz
3.02MHz
3.07MHz
3.21MHz
3.24MHz
3.31MHz
3.36MHz
315MHz
387MHz
390MHz
396MHz
414MHz
418MHz
427MHz
433.9MHz
QwikRadio is a trademark of Micrel, Inc. The QwikRadio ICs were developed under a partnership agreement with AIT of Orlando, Florida
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
July 1999
1
Application Hint 31
Application Hint 31
Micrel
MICREL INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL + 1 (408) 944-0800 FAX + 1 (408) 944-0970 WEB http://www.micrel.com
This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or
other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc.
© 1999 Micrel Incorporated
Application Hint 31
2
July 1999
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