HP 4155A, Руководство пользователя по задачам

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Making a Measurement
Sweep Measurements
T o Set up PGU Pulsed Output
1. Dene PGU to be VPULSE and CONST as described in \T o Dene Sweep
Measurement Units".
2. Press 4
Meas
5 key in the P A GE CONTROL key group .
3.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PGU SETUP primary softkey .
4. In the PERIOD eld of PGU1, enter the pulse period value .
5. In the WIDTH eld of desired PGU column, enter the pulse width value .
6. In the DELA Y TIME eld of desired PGU column, enter delay time value .
7. In the PEAK V ALUE eld of desired PGU column, enter pulse peak value .
8. In the B ASE V ALUE eld of desired PGU column, enter pulse base value .
9. In the LEADING TIME eld of desired PGU column, enter the
leading-edge transition time .
10. In the TRAILING TIME eld of desired PGU column, enter the
trailing-edge transition time .
11. In the IMPED ANCE eld of desired PGU column, select:
N NNNNNNNNNNNNNNNN
LOW secondary softkey for approximately zero ohm output
impedance .
N
NNNNNNNNNNNNNNNNNNNNNNNNN
50 ohm secondary softkey for 50 ohm output impedance .
12. In the PULSE COUNT eld, do one of the following:
Select
NNNNNNNNNNNNNNNNNNNNNNNNNN
FREE RUN secondary softkey to force the pulse continuously .
Or enter the number of pulses to output (for sampling measurement
only).
F or the pulse period and pulse count values , the values you set for PGU1 are
also used for PGU2.
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