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P7001: Difference between revisions
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The design of the P7001 assumes it will be part of a 7704A system, and that the 7704A will be displaying a steady trace. | The design of the P7001 assumes it will be part of a 7704A system, and that the 7704A will be displaying a steady trace. | ||
The vertical and horizonal plug-ins control the beam as they would in any 7000-series scope. | The vertical and horizonal plug-ins control the beam as they would in any 7000-series scope. | ||
The P7001 periodically samples the horizontal and vertical signals simultaneously as they pass from the plug-ins | The P7001 periodically samples the horizontal and vertical signals simultaneously as they pass from the plug-ins | ||
to the vertical and horizontal amplifiers. | to the vertical and horizontal amplifiers. | ||
This allows it to fill | This allows it to fill its memory with data points represented as coordinate pairs, (x1,y1), (x2,y2), (x3,y3), etc. | ||
It is not necessary that x2 be greater than x1, i.e. the samples can be taken out-of-order with respect to their equivalent time in the waveform. | It is not necessary that x2 be greater than x1, i.e. the samples can be taken out-of-order with respect to their equivalent time in the waveform. | ||
==Manuals== | |||
* [http://w140.com/p7001 Tektronix P7001 Manuals (PDF)] | |||
==Internals== | |||
The signal coming from the acquisition unit enters a fast [[sampling diodes|four-diode sample and hold circuit]] where it is sampled at 150 ksamples/sec. | The signal coming from the acquisition unit enters a fast [[sampling diodes|four-diode sample and hold circuit]] where it is sampled at 150 ksamples/sec. | ||
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The Acquisition Unit of the 7704A, the P7001 Processor, and the Display Unit of the 7704A are connected by the | The Acquisition Unit of the 7704A, the P7001 Processor, and the Display Unit of the 7704A are connected by the | ||
Acquisition-Processor-Display (APD) Interface shown below. | Acquisition-Processor-Display (APD) Interface shown below. | ||
==Pictures== | ==Pictures== | ||