Agilent Technologies HP 8642A/B Specifiche Pagina 301

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Softkey Descriptions
The following functions are available from the HP 3048 System Checks
display.
Int. Adj'mt: Accesses the adjustment procedures for the HP 11848A's
internal circuitry.
Fnctl. Chk.: Accesses the functional checks for verifying operation (in-
cluding switching) of the HP 11848A.
Dae Tests: Accesses the DAC tests for checking each bit of the digital-to-
analog converters within the HP 11848A.
Cal System: Accesses the calibration routines for the PLL path and the
measurement paths of the HP 11848A.
Perf.
Tests: Accesses the Performance Tests for verifying the spur accuracy
to 550 kHz (Spur Test) for verifying the system's absolute noise floor
(Noise Floor), and for generating the CALDATAHI corrections from
500 kHz to 40 MHz (Noise Flatness).
NOTE
When the system loads a Performance Test Test File from
the System Data Disc, the Segment Tables, as well as all
of the Measurement Definitions, are loaded into memory.
The Segment Table for each Performance Test has been
optimized for the measurement.
After performing a Performance Test, you should always
verify that the Segment Table entries are suitable for your
measurements before initiating a New Measurement.
5-44 3048A Sys Chk
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