參數(shù)資料
型號(hào): RMDA20420
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 衰減器
英文描述: 20-42 GHz Broadband Driver Amplifier
中文描述: 20000 MHz - 42000 MHz RF/MICROWAVE WIDE BAND MEDIUM POWER AMPLIFIER
封裝: 1.72 X 0.76 MM, DIE
文件頁(yè)數(shù): 5/12頁(yè)
文件大?。?/td> 819K
代理商: RMDA20420
2004 Fairchild Semiconductor Corporation
RMDA20420 Rev. D
R
Application Information
CAUTION: THIS IS AN ESD SENSITIVE DEVICE
Chip carrier material should be selected to have GaAs compatible thermal coefficient of expansion and high thermal
conductivity such as copper molybdenum or copper tungsten. The chip carrier should be machined, finished flat, plated with
gold over nickel and should be capable of withstanding 325
°
C for 15 minutes.
Die attachment for power devices should utilize Gold/Tin (80/20) eutectic alloy solder and should avoid hydrogen
environment for PHEMT devices. Note that the backside of the chip is gold plated and is used as RF and DC Ground.
These GaAs devices should be handled with care and stored in dry nitrogen environment to prevent contamination of
bonding surfaces. These are ESD sensitive devices and should be handled with appropriate precaution including the use of
wrist-grounding straps. All die attach and wire/ribbon bond equipment must be well grounded to prevent static discharges
through the device.
Recommended wire bonding uses 3 mils wide and 0.5 mil thick gold ribbon with lengths as short as practical allowing for
appropriate stress relief. The RF input and output bonds should be typically 0.012" long corresponding to a typical 2 mil gap
between the chip and the substrate material.
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