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DF1: Difference between revisions
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|image=Tek df1 front.JPG | |image=Tek df1 front.JPG | ||
|caption=DF1 front panel | |caption=DF1 front panel | ||
|introduced= | |introduced=1976 | ||
|discontinued=1985 | |discontinued=1985 | ||
|designers=Murlan Kaufman;Dave Lowry;Jeff Bradford;Ed Wolfe | |||
|manuals= | |manuals= | ||
'''DF1''' | '''DF1''' | ||
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* [[Media:070-2478-00.pdf|Tektronix DF2 Manual]] (OCR) | * [[Media:070-2478-00.pdf|Tektronix DF2 Manual]] (OCR) | ||
* [[Media:Tek_DF1_DF2_Anleitung_Deutsch.pdf|Tektronix DF1/DF2 Anleitung]] (Operators Manual, German, OCR) | * [[Media:Tek_DF1_DF2_Anleitung_Deutsch.pdf|Tektronix DF1/DF2 Anleitung]] (Operators Manual, German, OCR) | ||
{{ROM Images}} | {{ROM Images}} | ||
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The '''Tektronix DF2''', [[introduced in 1978]], is the same as the DF1 with the exception of an added front-panel "Menu" key and an additional ROM (on a daughter board) that supports GPIB and ASCII modes. | The '''Tektronix DF2''', [[introduced in 1978]], is the same as the DF1 with the exception of an added front-panel "Menu" key and an additional ROM (on a daughter board) that supports GPIB and ASCII modes. | ||
The DF2 does not have a GPIB interface, it can only analyze external GPIB traffic. For this purpose, a [[103-0209-00|103-0209-00 GPIB to probe comb adapter]] was supplied with the DF2 | The DF2 does not have a GPIB interface, it can only analyze external GPIB traffic. For this purpose, a [[103-0209-00|103-0209-00 GPIB to probe comb adapter]] was supplied with the DF2, which connects GPIB DIO1..DIO8 to CH8..CH15, DAV to the CLOCK input, ATN to CH7, EOI to CH6, SRQ to CH5, and REN to CH4. GPIB signals DAV, NRFD, NDAC and IFC brought out to pins on the connector. CH3..0 are user defined inputs that can track any of these signals, or others as needed. For GPIB analysis, bus data is acquired synchronously using the negative-going edge of the GPIB DAV (Data Valid) line as an external clock. | ||
Project manager for the DF1/DF2 was [[Murlan Kaufman]]. | From TekScope V.8 N.4 1976: | ||
<blockquote> | |||
Project manager for the DF1/DF2 was [[Murlan Kaufman]], with [[Dave Lowry]] and [[Jeff Bradford]] doing the electrical and software design, and [[Ed Wolfe]] doing mechanical design. | |||
[[Roy Kaufman]] and [[Joe Gaudio]], Evaluation Engineers, and [[Dave McCullough]], Marketing Program Manager, also made valuable contributions. | |||
Special thanks are due to [[Jack Lyngdal]] and [[Nick Colvin]], Manufacturing; [[Betty Spohn]], ECB; [[Jan Bowden]], Prototypes; and to everyone else who contributed to a a speedy, efficient completion of the project. | |||
</blockquote> | |||
{{BeginSpecs}} | {{BeginSpecs}} | ||
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The DF1/DF2 is built around a [[Motorola 6800]] microprocessor with two (DF2: three) 2K×8 masked ROMs and sixteen 1K×1 SRAMs ([[Intel 2102]]). | The DF1/DF2 is built around a [[Motorola 6800]] microprocessor with two (DF2: three) 2K×8 masked ROMs and sixteen 1K×1 SRAMs ([[Intel 2102]]). | ||
The DF1, DF2 and 7D01 are often affected by [[bad TI IC sockets]], see [[7D01/Repairs|the Repairs tab]]. | The DF1, DF2 and 7D01 are often affected by [[bad TI IC sockets]] and/or ROM failures, see [[7D01/Repairs|the Repairs tab]]. | ||
===Memory map=== | ===Memory map=== | ||
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|} | |} | ||
</small> | </small> | ||
==Links== | |||
* Dave Lowry, Jeff Bradford: ''A display formatter — the indispensable tool for the data domain.'' In [[Media:Tekscope_1976_V8_N4_with_Supplement.pdf|TekScope Vol. 8 No. 4, Winter 1976]] | |||
==Pictures== | ==Pictures== | ||