Page 46 of 110 150821/A4 Operation
2.4.6 TRIGger
The 1730T instrument can be triggered manually, internally or externally. In MEAS DISPLAY
(Pg 2/3) press [F3] so that the INT box is highlighted. Use the up arrow [⇑] key to change the
trigger or use the down arrow [⇓] key to change the trigger. The instrument default setting is
INT (internal trigger). When MANUAL trigger is selected, one measurement will be made each
time the trigger is pressed. When EXTERNAL trigger is selected, one measurement will be
made each time the external trigger is asserted by the handler. When INTERNAL trigger is
selected, measurements are performed continuously when in [MEAS DISPLAY].
NEXT PAGE 2/3
Cs : 1.2345 pF
D : 1.2345
MEAS DISPLAY
RANGE: A 100
Ω
SPEED: MEDIUM
EXTTRIG.:
Select trigger: INT, MAN, EXT
F3
Select measurement trigger
Select trigger: INT, MAN, EXT
2.4.7 BIAS Voltage
The 1730T instrument is capable of generating 0-5V external DC bias voltage to the device
under test. When the Bias Voltage is ON, voltage can be supplied from an internal voltage
supply using the R
BIAS
resistor, or from an external supply when the external bias connector is
used. To enable/disable the bias voltage function, in MEAS DISPLAY (Pg 2/3) press [F1] so that
the OFF box is highlighted. Use the up arrow [⇑] or down arrow [⇓] keys or [F1] to switch the
bias voltage function ON/OFF. The instrument default setting is OFF. Setting the bias voltage
level is done externally.
NEXT PAGE 3/3
COMPARE: OFF
Cs : 1.2345 pF
D : 1.2345
MEAS DISPLAY
BINNING: OFF
F1
BIAS V: OFF
Enable/Disable bias voltage function
Enable/Disable bias voltage function
Enable/Disable bias voltage function
NEXT PAGE 3/3
COMPARE: OFF
Cs : 1.2345 pF
D : 1.2345
MEAS DISPLAY
BINNING: OFF
F1
BIAS V: ON
Enable/Disable bias voltage function
Enable/Disable bias voltage function
Enable/Disable bias voltage function
BIAS
This box will also be shown PAGE 1/3 when BIAS is selected ON.
NOTE:
Refer to paragraph 3.3 for a description of the bias voltage feature. Formulas for calculating the
maximum bias voltage and current are listed in Tables 3-11 and 3-12.
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