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The HP 8757D Analyzer
he HP 8757D (Figure 1-2) is a microprocessor-based receiver capable of making scalar
(magnitude only) re
ection and transmission measurements. he external detectors used
determine the frequency range. he raster display provides high resolution for viewing
measurements.
he original HP 8757D incorporated a cathode ray tube (CR ) based display.
Note
he current design incorporates a liquid crystal display (LCD) based display.
In this manual, references to either CR or LCD apply to both display designs
unless noted otherwise.
C T/LCD Attributes
he CR /LCD displays attributes (such as the grid, measurement traces for each channel,
and labels) in factory-de ned colors. You can adjust the hue, saturation and intensity of each
of these attributes.
Displays
he analyzer can simultaneously drive both the internal display and one external monitor
(color or monochrome, if compatible with the analyzer's scan rate and video levels).
Peripherals
You can use the analyzer to control external printers, plotters, and sources through the system
interface. A printer and plotter bu er speeds measurements by returning control to the
analyzer while data prints.
Calibration Data and Instrument States
You can store and recall instrument states and calibration data to and from external disks.
Measurement Channels
Four independent but identical measurement channels allow simultaneous measurements and
viewing of measurement parameters. he detector inputs (A, B, C, and R) accept AC or DC
detected signals from detectors or bridges.
Local and emote Operation
You can operate the analyzer either locally, using the front panel controls and menu
selections, or remotely over the HP-IB. You can also generate on-screen graphics (see \Remote
Operation").
1-6 General Information
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