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7L18: Difference between revisions
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*[http://w140.com/tek_7l18_operators_ocr.pdf Tektronix 7L18 Operators Manual (PDF)] | *[http://w140.com/tek_7l18_operators_ocr.pdf Tektronix 7L18 Operators Manual (PDF)] | ||
}} | }} | ||
The '''Tektronix 7L18''' is a spectrum analyzer plug-in [[introduced in 1978]] for [[7000-series scopes]]. | The '''Tektronix 7L18''' is a spectrum analyzer plug-in [[introduced in 1978]] for [[7000-series scopes]]. | ||
It occupies three plug-in bays in the oscilloscope. | |||
The 7L18 covers the range from 1.5 GHz to 18 GHz with the internal mixer and 12.5 GHz to 60 GHz | The 7L18 covers the range from 1.5 GHz to 18 GHz with the internal mixer and 12.5 GHz to 60 GHz | ||
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Service views: | Service views: | ||
<gallery> | <gallery> | ||
7L18-top.jpg|Top view | |||
7L18-bottom.jpg|Bottom view | |||
7L18-service-rightfront.jpg|Service setup for the right front panel | |||
</gallery> | </gallery> | ||
Boards within the digital card cage (from back to front): | Boards within the digital card cage (from back to front): | ||
<gallery> | <gallery> | ||
7L18-board-crtreadout.jpg|CRT Readout board | |||
7L18-board-centerfreqreadout.jpg|Center Freq Readout board | |||
7L18-board-sweephoriz.jpg|Sweep Horiz board | |||
7L18-board-spanatten.jpg|Span Atten board | |||
7L18-board-phaselock-rear.jpg|Phase Lock module, rear | |||
7L18-board-phaselock-front.jpg|Phase Lock module, front | |||
7L18-board-phaselocklogicctl.jpg|Phase Lock Logic CTL | |||
7L18-board-vrnoisefilter.jpg|VR Noise Filter | |||
7L18-board-logvideoamp.jpg|Log & Video Amp | |||
7L18-board-centerfreqdvm.jpg|Center Freq DVM | |||
7L18-board-centerfreqdvm-front.jpg|Digital Storage, front | |||
7L18-board-centerfreqdvm-back.jpg|Digital Storage, back | |||
7L18-board-microcomputer.jpg|Micro Computer | |||
</gallery> | </gallery> | ||
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Internal views of the analog parts: | Internal views of the analog parts: | ||
<gallery> | <gallery> | ||
7L18-sampler.jpg|Internal of the LO sampler | |||
</gallery> | </gallery> | ||