7904: Difference between revisions
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* [http://w140.com/Tek_7904_OCRed_by_Tabalabs.pdf Tektronix 7904 Manual (Shannon Hill PDF with OCR)] | * [http://w140.com/Tek_7904_OCRed_by_Tabalabs.pdf Tektronix 7904 Manual (Shannon Hill PDF with OCR)] | ||
* [http://w140.com/Tek_7904_Power_Supply.pdf Servicing the 7904 High-Efficiency Power Supply (PDF)] | * [http://w140.com/Tek_7904_Power_Supply.pdf Servicing the 7904 High-Efficiency Power Supply (PDF)] | ||
<small> | |||
'''Modifications''' | |||
* [http://hakanh.com/dl/docs/kitinstructions/050-0650-00.pdf 050-0650-00 (1980) Vertical amplifier IC replacement] | |||
* [http://hakanh.com/dl/docs/kitinstructions/050-0651-01.pdf 050-0651-01 (1975) Vertical output IC replacement (155-0065-00)] | |||
* [http://hakanh.com/dl/docs/kitinstructions/050-0706-01.pdf 050-0706-01 (1980) Vertical output IC replacement (155-0065-00)] | |||
* [http://hakanh.com/dl/docs/kitinstructions/050-0729-06.pdf 050-0729-06 (1980) A Trigger selector circuit board replacement] | |||
* [http://hakanh.com/dl/docs/kitinstructions/050-0730-06.pdf 050-0730-06 (1980) B Trigger selector circuit board replacement] | |||
* [http://hakanh.com/dl/docs/kitinstructions/050-0763-03.pdf 050-0763-03 (1981) Vertical interface circuit board replacement] | |||
* [http://hakanh.com/dl/docs/kitinstructions/050-1014-00.pdf 050-1014-00 (1980) Vertical output IC replacement (155-0064-00)] | |||
* [http://hakanh.com/dl/docs/kitinstructions/050-1723-01.pdf 050-1723-01 (1983) P31 CRT replacement] | |||
* [http://hakanh.com/dl/docs/custommods/7904mod721K.pdf Custom Mod 721K (1972) Single shot readout and/or grat illumination] | |||
</small> | |||
}} | }} | ||
The '''Tektronix 7904''' is a 500 MHz, non-storage 7000-series oscilloscope mainframe with four bays. It accepts two [[7000-series_plug-ins#Vertical plug-ins|7000-series vertical plug-ins]] and two [[7000-series_plug-ins#Horizontal plug-ins|7000-series horizontal plug-ins]]. It was introduced in late 1971/early 1972 (Note 1). The successor model 7904A was introduced in 1984. There is also a rack-mount version, the [[R7903]], albeit with only one horizontal bay. | The '''Tektronix 7904''' is a 500 MHz, non-storage 7000-series oscilloscope mainframe with four bays. It accepts two [[7000-series_plug-ins#Vertical plug-ins|7000-series vertical plug-ins]] and two [[7000-series_plug-ins#Horizontal plug-ins|7000-series horizontal plug-ins]]. It was introduced in late 1971/early 1972 (Note 1). The successor model 7904A was introduced in 1984. There is also a rack-mount version, the [[R7903]], albeit with only one horizontal bay. | ||