Fluke PM6690 - Short Form Specification Test; Sensitivity and Frequency Range

Performance Check
Short Form
Specification Test
Sensitivity and Frequency
Range
–
Recall the DEFAULT settings.
–
Press INPUT A.
–
Select 50 W input impedance, 1x attenua-
tion, MANual trigger and Trigger level
0V.
–
Connect a signal from a HF generator to a
BNC power splitter.
–
Connect the power splitter to Input A of
your counter and an oscilloscope.
–
Set the input impedance to 50 W on the
oscilloscope.
–
Adjust the amplitude according to the fol
-
lowing table. Read the level on the oscillo-
scope. The timer/counter should display
the correct frequency.
–
Connect the signal to Input B.
– Press INPUT B.
–
Select 50 W input impedance, 1x attenua-
tion, MANual trigger and Trigger level
0V.
–
Press MEAS FUNC ® Freq ® Freq A
®B
–
Repeat the measurements above for
Input B.
Short Form Specification Test 7-5
Key(s) Display Notes P/F
u Period
Cursor position marked by text inversion
ENTER Single A
EXIT/OK Menu disappears
Period Single A: at upper left corner
STAT/PLOT Period Single A
MEAN:
Aux parameters: Max, Min, P-P, Adev, Std
VALUE Stat parameters dis
-
appear
Table 7-2 Keyboard test
Frequency
(MHz)
Level Pass
mV
rms
dBm Input A Input B
10 15 –23
50 15 –23
100 15 –23
200 15 –23
300 25 –19
Table 7-3 Sensitivity for inputs A & B at various frequencies