參數資料
型號: JDLGLJTN-18.432MHZ
英文描述: Voltage-Controlled Oscillator
中文描述: 壓控振蕩器
文件頁數: 7/8頁
文件大小: 113K
代理商: JDLGLJTN-18.432MHZ
J-Type Voltage Controlled Crystal Oscillator
Vectron International 166 Glover Avenue, Norwalk, CT 06856 Tel: 1-88-VECTRON-1 Fax: 1-888-FAX-VECTRON
Typical Frequency Translation Diagram
7
Typical Clock Smoothing Diagram
Recommended Solder Reflow Profile
Suggested IR profile
VI qualification includes aging at various extreme tem-
peratures, shock and vibration; temperature cycling
and IR reflow simulation. The conditions a device can
withstand are well understood and devices can be
subjected to the profile in figure above. This profile
shows a ramp up condition to prevent thermal shock,
a preheat period in which the flux is activated, a ramp
up to 183° C which is the eutectic temperature of Sn/Pb
and a gradual cool down. The time above 183° C should
not exceed 60 seconds and the peak temperature
should be no more than 220° C for 10 seconds. The J-
types are 100% screened for hermeticity so an aqueous
wash is not an issue.
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