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GED Crystal經(jīng)營理念與驅(qū)動力
來源：http://www.xh458.com 作者：lusc 2023年10月13
GED Crystal經(jīng)營理念與驅(qū)動力，通用電子設(shè)備制造從原材料石英棒到最終密封并經(jīng)過全面測試的組件的晶體毛坯，用于我們的振蕩器和分立晶體元件。
We .保持一份人造石英的庫存，在許多情況下，其質(zhì)量接近行業(yè)所能生產(chǎn)的最佳水平。我們控制所有制造過程，并確保支持這些過程的采購材料在不增加成本的情況下生產(chǎn)出具有額外質(zhì)量和性能的成品。
S特別注意生產(chǎn)的開始階段。對切割角度的嚴(yán)格控制、高級研磨化合物、對研磨板和晶體坯平面度的一致監(jiān)控以及超過兩倍最低軍用要求的精確化學(xué)蝕刻，都確保了鎖定的高質(zhì)量性能石英晶振。這些控制通過進一步的加工和最終的環(huán)境測試提供了額外的動力。
A與晶體主表面電接觸的L1電極通過使用特殊夾具在超純、高真空鍍膜機中的真空沉積來沉積。這允許晶體一側(cè)和另一側(cè)之間電極的高容量絕對配準(zhǔn)。
P光蝕刻掩模和純基底涂層材料，如鋁、鉻、金和銀，加上使用蒸發(fā)和電子束的高真空設(shè)備，在晶體表面產(chǎn)生導(dǎo)電接觸點。這使得晶體電場的電阻接近于零，能量俘獲高，長期老化最小。晶體的最終頻率調(diào)整完全在定制的高真空蒸發(fā)設(shè)備和我們最新的最先進的自動化設(shè)備中完成。
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Crystal Product
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Thru-Hole Crystals
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Part Number
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Description
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Frequency Range
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HC49/U
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Industry standard AT-cut
Resistance welded
Low Cost
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1.8 to 150MHz
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UM-1, UM-4, UM-5
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High Frequency Range
Resistance Weld
Surface Mount Version available
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1.0 to 180MHz
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HC49/US
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Low Profile Crystal
Resistance Weld
Surface Mount Version available
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3.5795 to 70MHz
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Surface Mount Crystals
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UM-1/S
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High Frequency Range
Resistance Weld
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1.0 to 180MHz
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HC49/UP
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Low Profile Crystal
Resistance Weld |
3.5795 to 70MHz |
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SMX570 |
5x7mm Surface Mount
Industry Standard Footprint
Tape and Reel available
AT Cut |
8 to 80MHz |
L幾乎不需要或不希望進行最終調(diào)整，因為在此過程中過量使用額外數(shù)量的金屬會降低石英晶體的整體性能并加劇寄生響應(yīng)。
W我們有GED的完全密封能力，可以用三種不同的方式包裝我們的晶體，包括冷焊和電阻凸焊。我們每天可以密封多達4000個DIP振蕩器、HC-45、標(biāo)準(zhǔn)HC-49支架、特殊HC49/US支架、所有軍用晶體封裝(包括TO-5和TO-8)和表面貼裝封裝，所有這些封裝都在純凈、干燥的氮氣環(huán)境中焊接。
我們的石英晶體和振蕩器都是100%測試任何泄漏。GED Crystal經(jīng)營理念與驅(qū)動力.
W廣泛使用各種類型的電子測試設(shè)備進行過程測試和最終測試。軍用、高可靠性和商用晶體在軍用CI測量儀和計算機化環(huán)境測試系統(tǒng)上進行測試，該系統(tǒng)可以通過編程測量和記錄頻率、活動和雜散響應(yīng)，范圍從低至零下55°C到高達125°C。
All GED的產(chǎn)品通過激光或雕刻永久標(biāo)記。我們所有的石英晶體諧振器和振蕩器都100%保證達到或超過客戶的規(guī)格。
General Electronic Devices manufactures crystal blanks from raw material quartz bars to final-sealed and fully tested components for use in our oscillators and discrete crystal elements.
We maintain an inventory of cultured quartz the quality of which, in many cases, approaches the best the industry can produce. We control all manufacturing process and assure that purchased material supporting those processes produced a finished product with extra quality and performance at no additional cost.
Special attention is given to the beginning stages of production. Tight control of the angle of cut, high grade lapping compounds, consistent monitoring of flatness of both lapping plates and crystal blanks and precise chemical etching at times exceeding two times the minimum military requirements all assure a locked-in, high quality performance crystal. These controls give that extra kick through further processing and final environmental testing.
All electrodes making electrical contact with the major surfaces of the crystal are deposited by vacuum deposition in ultra pure, high vacuum coating machines using special fixtures. This allows high volume with absolute registration of electrodes between one side of the crystal and the other.
Photo-etched masking and pure base coating materials such as Aluminum, Chrome, Gold and Silver – plus high vacuum equipment using evaporation and E-beam produce electrically conductive contact points to the crystal surface. These gives near zero resistance and high energy trapping of the crystal’s electric field with minimum long-term aging. Final frequency adjustment of the crystal is done exclusively in custom-made, high vacuum evaporation equipment and our new state-of-the-art automated equipment.
Little final adjustment is required or desirable because additional amounts of metal used in excess in this process will degrade the overall performance of the crystal and aggravate spurious responses.
We have total sealing capability at GED and can package our crystals in any of three different styles including cold weld and resistance projection welding. We can seal as many as 4,000 units a day from the DIP oscillator, HC-45, standard HC-49 holder, special HC49/US holder, all military crystal packages including TO-5 and TO-8 and surface mount packages – all welded in pure, dry nitrogen atmosphere.
Our quartz crystals and oscillators are all 100% tested for any leaking.
We make extensive use of various types of electronic test equipment for in-process and final testing. Military, High-Rel and commercial type crystals are tested on military CI meters, as well as on computerized environmental test system that can be programmed to measure and record frequency, activity and spurious responses from as low as minus 55°C to as high as 125°C.
All GED's product are marked permanently by laser or by engraving. All our crystals and oscillators are backed by a 100% guarantee to meet or exceed – the specifications of our customers.
PLL源
這LMPL是一個高性能頻率源系列，采用GED的專有VCO和鎖相技術(shù)。這LMPL系列提供低相位噪聲和高準(zhǔn)確度。它非常適合無線應(yīng)用、本地振蕩器和實驗室參考。該模塊包括一個輸出放大器，可將許多應(yīng)用的輸出提升至+13 dBm。輸出范圍為100 MHz至6 GHz，可采用內(nèi)部或外部基準(zhǔn)電壓源，或兩者兼有。RF主輸出和參考輸出可通過SMA連接器獲得。這些模塊還提供視覺檢測和鎖定信號狀態(tài)。這LMPL_F是2.0英寸x 2.0英寸x 0.75英寸的金屬外殼，而LMPL_GF和LMPL普惠制封裝在3.0英寸x 3.0英寸x 1.0英寸的金屬外殼中。
GED總部位于南加州，是一家為全球客戶提供服務(wù)的國際公司。GED晶振提供了無與倫比的高質(zhì)量、低成本和卓越服務(wù)的結(jié)合。超越客戶的期望是GED經(jīng)營理念背后的驅(qū)動力。我們可以根據(jù)任何交貨時間表提供任何數(shù)量的標(biāo)準(zhǔn)和定制設(shè)計產(chǎn)品。
