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參數(shù)資料
| 型號(hào)： | CRS04VQFREQDS1E |
| 廠商： | TEMEX COMPONENTS |
| 元件分類： | 陶瓷諧振器 |
| 英文描述： | CERAMIC RESONATOR, 1000 MHz - 4000 MHz |
| 文件頁(yè)數(shù)： | 5/6頁(yè) |
| 文件大小： | 66K |
| 代理商： | CRS04VQFREQDS1E |
3-5
Vol. 1
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net
CERAMIC COAXIAL RESONATORS
Application notes
SOLDERING RECOMMENDATIONS
Before any soldering operation is implemented, the coaxial resonator must be preheated in order
to avoid a thermal shock and a subsequent mechanical stress liable to initiate failure mechanism.
TEMEX recommends a minimum preheating time of 2 minutes at 120° C with a maximum heating rate
of 2° C / sec.
FREQUENCY ADJUSTMENT
When the frequency tuning adjustment is needed, two solutions can be adopted:
a)
Mechanical lapping of the ceramic, or mechanical grinding of metallization, depending where
metallization will be grinded off.
b)
Using a TEMEX air or sapphire dielectric tuning capacitor (“Air trimmer” or“Gigatrim”):
in this case, the frequency will decrease when capacitance will increase.
This provides an additional advantage of mounting / terminating resonator to the assembly
by utilizing the leg conguration of the tuning capacitor.
QUALITY FACTOR Q
The Q factor of a coaxial resonator is essentially determined by the metallization.
The dielectric material, having low losses, does not have a direct effect on the “Q” (secondary
inuence).
The curves show the range of “Q” factor versus resonator size and frequency range.
Curves show that Q min. increases as frequency increases (proportionally to
√Fo).
APPLICATION NOTES
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CRS05 | 制造商:Toshiba America Electronic Components 功能描述:DIODE SCHOTTKY 1A 制造商:Toshiba America Electronic Components 功能描述:DIODE, SCHOTTKY, 1A 制造商:Toshiba America Electronic Components 功能描述:DIODE, SCHOTTKY, 1A; Diode Type:Schottky; Diode Configuration:Single; Repetitive Reverse Voltage Vrrm Max:30V; Forward Current If(AV):1A; Forward Voltage VF Max:450mV; Forward Surge Current Ifsm Max:30A; No. of Pins:2 ;RoHS Compliant: Yes |
| CRS05(T5L,TEMQ) | 制造商:Toshiba America Electronic Components 功能描述:Schottky Diode 30V 1A SBD 0.45V S-FLAT |
| CRS05(TE85L | 制造商:Toshiba America Electronic Components 功能描述:Diode Schottky 30V 1A 2-Pin S-FLAT T/R |
| CRS05(TE85L) | 制造商:Toshiba America Electronic Components 功能描述:Diode Schottky 30V 1A 2-Pin S-FLAT T/R 制造商:Toshiba America Electronic Components 功能描述:DIODE SCHOTTKY 30V 1A SFLAT |
| CRS05(TE85L,Q) | 制造商:Toshiba 功能描述:30V 1A S-FLAT 制造商:Toshiba 功能描述:30V 1A S-FLAT Bulk 制造商:Toshiba America Electronic Components 功能描述:Diode,RectifierSBD,Vrrm=30V,If=1A,S-FLAT 制造商:Toshiba 功能描述:Diode Schottky 30V 1A 2-Pin S-FLAT T/R |
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