Fluke PM6690 - Auto Set; Manual Set; Input and Output Specifications; Inputs a and B

counted on either X or Y, with a deadtime de
-
pending on sample speed before next event.
Alternatively: Timestamps are taken alter
-
nately on channels X and Y, starting with X.
Register Data: Timestamp values of trig
-
ger condition X
Timestamp values of trig
-
ger condition Y
Number of pulses on X
Selectable Trigger Conditions
Selectable
Channel
Set Trigger A X, Y
Set Trigger B X, Y
Prescaled Input C X, Y
Arming Input X, Y
Opposite Trigger Slope of Set
Trigger Condition on A X
Opposite Trigger Slope of Set
Trigger Condition on B X
Auto Set / Manual Set
All measuring functions can be auto-set using
best settings for the individual functions. This
meanse.g.anautohysteresisof40%ofV
p-p
in frequency measurements, an auto trigger at
50%ofV
p-p
with minimum hysteresis incl.
hysteresis compensation in time measure
-
ments, an auto find of burst length and auto
sync for frequency burst measurements, etc.
Input and Output
Specifications
Inputs A and B
Frequency Range
DC-coupled:
AC-coupled:
DC - 300 MHz
10 Hz - 300 MHz
Coupling: AC or DC
Rise Time: Approx. 700 ps
Impedance: 1MW /25pFor50W
(VSWR < 2:1)
Trigger Slope: Positive or negative
Channels: Separate A & B, common
via A, common via B
Max. Channel
Timing Difference: 500 ps
Hysteresis
Window: Approx. 30 mV
p-p
Residual Hyster-
esis after Com-
pensation: 5 mV (DC - 10 kHz)
Sensitivity
DC - 200 MHz:
200 - 300 MHz:
15 mV
rms
25 mV
rms
Attenuation: x1, x10
Dynamic Range
(x1): 30 mVp-p to 10 Vp-p
within ±5 V window
Trigger Level
Resolution:
Uncertainty (x1):
Auto:
Read-out on display
2.5 mV
±(15 mV + 1% of trg lvl)
Automatically set to 50%
of input signal (10% and
90% for rise/fall time).
Relative level (in %) man
-
ually adjustable when
necessary.
Input and Output Specifications 8-5
Specifications