基于SiP技術(shù)的信號處理通道設(shè)計
電子技術(shù)應(yīng)用
徐波
中國西南電子技術(shù)研究所
摘要: 隨著軍用無人機等航電系統(tǒng)不斷朝著小型化、智能化,、綜合化的方向發(fā)展,如何有效滿足裝備的低SWaP(Size,,Weight and Power)要求成為一大難題。介紹了某型寬帶綜合化數(shù)字預(yù)處理模塊的研制,,利用“裸芯片+高密度基板”系統(tǒng)級封裝(SiP)的方式對信號處理平臺(DSP,、FPGA、SerDes和DDR芯片)進行集成,,替代目前業(yè)界普遍采用的“封裝芯片+印制板+平面集成”的傳統(tǒng)方式,,實現(xiàn)寬帶綜合化數(shù)字信號處理模塊的高密度集成。在主要性能指標(biāo)(可編程邏輯資源,、定點處理能力,、浮點處理能力、數(shù)據(jù)傳輸速率)不變的情況下,,使得信號處理模塊的面積降低為45 mm×45 mm,,重量降低到103 g。
中圖分類號:TN47 文獻標(biāo)志碼:A DOI: 10.16157/j.issn.0258-7998.234694
中文引用格式: 徐波. 基于SiP技術(shù)的信號處理通道設(shè)計[J]. 電子技術(shù)應(yīng)用,,2024,,50(6):27-31.
英文引用格式: Xu Bo. Signal processing channel design based on SiP technology[J]. Application of Electronic Technique,2024,,50(6):27-31.
中文引用格式: 徐波. 基于SiP技術(shù)的信號處理通道設(shè)計[J]. 電子技術(shù)應(yīng)用,,2024,,50(6):27-31.
英文引用格式: Xu Bo. Signal processing channel design based on SiP technology[J]. Application of Electronic Technique,2024,,50(6):27-31.
Signal processing channel design based on SiP technology
Xu Bo
Southwest China Institute of Electronic Technology
Abstract: As military UAVs and other avionics systems continue to develop in the direction of miniaturization, intelligence, and integration, how to effectively meet the low SWaP (Size, Weight and Power) requirements of equipment has become a major problem. In this paper, the development of a certain type of broadband integrated digital preprocessing module is introduced, and the signal processing platform (DSP, FPGA, SerDes and DDR chip) is integrated by using the "bare chip + high-density substrate" system-in-package (SiP) method, which replaces the traditional method of "packaging chip + printed board + planar integration" commonly used in the industry, and realizes the high-density integration of broadband integrated digital signal processing module. Under the condition that the main performance indicators (programmable logic resources, fixed-point processing capabilities, floating point processing capabilities, and data transmission rates) remain unchanged, the area of the signal processing module is reduced to 45 mm×45 mm, and the weight is reduced to 103 g.
Key words : system in package(SiP),;software-defined radio;signal processing,;broadband integration,;airborne platform;design of the microminiaturization
引言
隨著現(xiàn)代無線通信技術(shù)朝著數(shù)字化,、寬帶化,、綜合化和智能化方向的發(fā)展,軟件無線電處理平臺也變得更加復(fù)雜,。某航空綜合射頻系統(tǒng)的數(shù)字預(yù)處理模塊是一個數(shù)字電路復(fù)雜系統(tǒng),,模塊采用的通用信號處理平臺也由原單通道增加為三通道結(jié)構(gòu)。而通道數(shù)的增加進一步壓縮PCB布局空間,,同時也對模塊功耗,、可靠性和面積均產(chǎn)生嚴重影響。因此,,如何最大限度的實現(xiàn)通用信號處理平臺的小型化,、功能集成化以及輕量化,對降低系統(tǒng)功耗,、提升可靠性,、減少面積,滿足裝備的低SWaP(Size,,Weight and Power)[1]等方面有十分重要的作用,。
在數(shù)字預(yù)處理模塊中,信號處理通道均采用軟件無線電中傳統(tǒng)的“DSP+FPGA”架構(gòu),。每個信號處理通道的主要功能是完成中頻及基帶信號的處理,。其中,F(xiàn)PGA主要完成信號的預(yù)處理功能,,DSP主要完成信號處理與數(shù)據(jù)處理功能,,DSP芯片外接DDR芯片用于臨時數(shù)據(jù)的緩存。由于系統(tǒng)現(xiàn)階段已具備基本的元器件清單,,元器件所能承受的應(yīng)力,、環(huán)境溫度等信息也都比較清楚,因此本階段采用了“應(yīng)力法”對系統(tǒng)進行可靠性評估,。
本文詳細內(nèi)容請下載:
http://forexkbc.com/resource/share/2000006025
作者信息:
徐波
(中國西南電子技術(shù)研究所,,四川 成都 610036)
此內(nèi)容為AET網(wǎng)站原創(chuàng),未經(jīng)授權(quán)禁止轉(zhuǎn)載,。