{"product_id":"tektronix-tds-640a-4-ch-500mhz-2gs-s-digitizing-oscilloscope-opts-05-13-1f-2f","title":"Tektronix TDS 640A 4-Ch 500MHz 2GS\/s Digitizing Oscilloscope Opts 05 13 1F 2F","description":"\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Seller refurbished\u003c\/p\u003e\n\n\n\u003cmeta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003e\u003c\/title\u003e\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Open+Sans:wght@400;700\u0026amp;family=Montserrat\u0026amp;display=swap\" rel=\"stylesheet\" type=\"text\/css\"\u003e\n\u003cstyle type=\"text\/css\"\u003e\n\n\/* ── Reset ── *\/\n*, ::after, ::before { box-sizing: border-box; }\nbody { margin: 0; padding: 0; background-color: #ececec; color: #000000; }\ntable, td, tr { border-collapse: collapse; vertical-align: top; }\np { margin: 0; }\nstrong { font-weight: 700; }\n\n\/* ── Outer wrapper ── *\/\n.tt-wrap {\n    max-width: 1200px;\n    margin: 0 auto;\n    background: #ffffff;\n}\n\n\/* ── NAVIGATION — desktop only ── *\/\n.tt-nav { background: #ffffff; 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font-size: 13px; color: #555555; font-style: italic; margin: 8px 0; padding: 8px 12px; background: #f9f9f9; border-left: 3px solid #cccccc;\"\u003eThe images provided are of the actual item you will receive. Please review them carefully for cosmetic condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- ═══ ITEM DESCRIPTION HEADER ═══ --\u003e\n\u003cdiv class=\"tt-desc-header\"\u003eItem Description\u003c\/div\u003e\n\n\u003c!-- ═══ DESCRIPTION CONTENT (AI-generated HTML injected here) ═══ --\u003e\n\u003cdiv class=\"tt-desc\"\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family: Verdana, sans-serif; font-size: 13px; margin: 14px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:8px 12px; background:#000000; color:#ffffff;\"\u003e\u003cstrong\u003eCondition \u0026amp; Functionality\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; width:38%; font-weight:bold;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eUsed – Very Good Cosmetic Condition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eTested\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eFully tested and confirmed working. Power-on self-check passed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eFirmware Version\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eFV:v3.8.5e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family: Verdana, sans-serif; font-size: 13px; margin: 14px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd style=\"padding:8px 12px; background:#000000; color:#ffffff;\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e\u003cul style=\"margin:4px 0; padding-left:18px; line-height:1.7;\"\u003e\u003cli\u003e\u003cspan style=\"font-weight: normal;\"\u003eTektronix TDS 640A Oscilloscope (unit only)\u003c\/span\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp style=\"font-family: Verdana, sans-serif; font-size: 14px; color: #191919; line-height: 1.7; margin: 10px 0;\"\u003eThe Tektronix TDS 640A is a four-channel, 500 MHz, 2 GS\/s Digital Real-Time Oscilloscope from the TDS 600 series, designed for high-speed signal characterisation across research, design verification, and system integration applications. Its Digital Real-Time architecture delivers 2 GS\/s simultaneously on all four channels, enabling accurate single-shot capture of fast transient and non-recurring events. This unit carries active options 05, 13, 1F, and 2F, adding video triggering, RS-232\/Centronics hardcopy interfaces, a 3.5-inch floppy disk drive, and advanced DSP math — making it a comprehensively equipped example of this model.\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family: Verdana, sans-serif; font-size: 13px; margin: 14px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:8px 12px; background:#000000; color:#ffffff;\"\u003e\u003cstrong\u003eUnit Configuration — Active Options\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; width:38%; font-weight:bold;\"\u003eOption 05\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eVideo Trigger — NTSC, PAL, SECAM, HDTV, and FlexFormat™ (user-definable) video trigger modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eOption 13\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eRS-232C and Centronics hardcopy interfaces — adds RS-232 and Centronics parallel printer ports for hardcopy output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eOption 1F\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eFloppy Disk Drive — 3.5-inch, 1.44 MB DOS-compatible drive for saving waveforms, setups, and hardcopies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eOption 2F\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eAdvanced DSP Math — FFT, integration, and differentiation math functions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family: Verdana, sans-serif; font-size: 13px; margin: 14px 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:8px 12px; background:#000000; color:#ffffff;\"\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; width:38%; font-weight:bold;\"\u003eBandwidth\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e500 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eSample Rate\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e2 GS\/s (on all four channels simultaneously)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eChannels\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eVertical Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e8 bits per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eRecord Length\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e2,000 samples per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eVertical Sensitivity\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e1 mV\/div to 10 V\/div\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eDC Gain Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e±1.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eTime\/div Range\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e500 ps\/div to 5 s\/div\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eInput Coupling\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eAC, DC, GND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eTrigger Modes\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eEdge, Logic, Glitch, Video (Opt 05); Auto, Normal, Single\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eInterfaces\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eGPIB (IEEE 488), RS-232 (Opt 13), Centronics (Opt 13), VGA analog output, 15-pin VGA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eStorage\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e3.5-inch 1.44 MB floppy disk drive (Opt 1F) + NVRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003e90–250 VAC, 45–440 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd; font-weight:bold;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px; border:1px solid #dddddd;\"\u003eMax 300 W \/ 490 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- ═══ TABS: About Us \/ Shipping \/ Returns \/ Terms \/ Contact ═══ --\u003e\n\u003cdiv class=\"tt-tabs-section\"\u003e\n\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab1\" checked\u003e\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab2\"\u003e\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab3\"\u003e\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab4\"\u003e\n  \u003cinput class=\"tt-tab-radio\" type=\"radio\" name=\"tt-tabs\" id=\"tt-tab5\"\u003e\n\n  \u003cdiv class=\"tt-tab-labels\"\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab1\"\u003eAbout Us\u003c\/label\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab2\"\u003eShipping\u003c\/label\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab3\"\u003eReturns\u003c\/label\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab4\"\u003eTerms\u003c\/label\u003e\n    \u003clabel class=\"tt-tab-label\" for=\"tt-tab5\"\u003eContact\u003c\/label\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"tt-tab-content\"\u003e\n\n    \u003cdiv class=\"tt-tab-pane\"\u003e\n      \u003cp\u003eTT Instruments is an ISO 9001 certified company based in the UK, offering a wide range of used Test \u0026amp; Measurement (T\u0026amp;M) equipment at hugely discounted prices. We specialise in telecoms and fiber optic test equipment such as OTDRs, OSAs, fusion splicers, DSL cable testers, CATV, ethernet\/network testers and much more. Devices from leading brands such as EXFO, VIAVI \/ JDSU, Keysight \/ Agilent, Fujikura, Sumitomo, Narda, Argus and Anritsu are stocked by us.\u003c\/p\u003e\n      \u003cp\u003eWe also BUY test equipment — please contact us for a quote via \u003ca href=\"https:\/\/www.ttinstruments.com\"\u003ewww.ttinstruments.com\u003c\/a\u003e\u003c\/p\u003e\n      \u003cp\u003eBusiness hours: Mon-Fri 10am - 4pm (UK time). All messages are responded to within 2 hours during working hours.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"tt-tab-pane\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eProcessing:\u003c\/strong\u003e Orders are typically processed and dispatched within 1 business day.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Mainland UK: 1-2 Business Days \/ Mainland Europe and USA: 2-3 Business Days \/ Rest of the World: 5-7 Business Days (subject to customs clearance).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong style=\"color:red;\"\u003eCUSTOMS AND TAXES:\u003c\/strong\u003e \u003cspan style=\"color:red;\"\u003eIt is YOUR responsibility to liaise with CUSTOMS in your country and ensure your package is cleared and any TAXES ARE PAID. 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We aim to respond within 2 hours during our business hours (Mon-Fri, 10AM - 4PM UK TIME).\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003c!-- \/.tt-wrap --\u003e\n\n\n","brand":"Tektronix","offers":[{"title":"Default Title","offer_id":57548082151806,"sku":"8634 3A04 AY47","price":675.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/57_c2a615b5-954e-4d21-b6d0-28675e0817b3.jpg?v=1781508305","url":"https:\/\/www.ttinstruments.com\/products\/tektronix-tds-640a-4-ch-500mhz-2gs-s-digitizing-oscilloscope-opts-05-13-1f-2f","provider":"TT Instruments","version":"1.0","type":"link"}