Fluke 9640A Series, Instruction Manual

Page: 209 / 324

Calibration
Performance Test
5
5-19
9610A/AF REFERENCE SOURCE
10V
PK
MAX
RF
COMMON
96xx
HEAD INTERFACE
RF OUTPUT
CONTROL
CONNECT
96xx HEAD
ONLY
STBY
NEXT
CHAR
6
9
5
8
4
7 7
3 2 1
-
-
0
.
SPACE EXP
BKSP
ALPHA
LOCK LOCK
DEF
MNO
ABC
JKL
/ /
GHI
WXYZ TUV PQRS
ENTER
SINE
MOD
SWEEP
UNITS
SETUP
OPER
POWER
I
O
1000V RMS MAX 1000V RMS MAX
3V RMS MAX
INPUT 1 INPUT 2
SHUNT
HI
LO
GUARD GROUND
10V PEAK
MAX
WIDEBAND
7V RMS MAX
INPUT1 SHUNT INPUT2 WBND EX GRD
2.2 mV 22 mV 220 mV
7 mV 70 mV 700 mV
2.2 V 22 V 220 mV
7V 70V 700V
1kV RESET
EX TRIG
TRIG
VIEW
REF
UTIL
MENUS
SPEC
CLEAR
DELETE
ENTER
0 1 2 3
4
5
6
7
8 9
+/-
.
V
H Z
SHELL FLOATING
10V PEAK MAX
Clear
Ref
INPUT2
Avg
Ref (Vin - Ref) / Ref
-27.0
PPM
Range
2.2V
AUTO
5790A AC MEASUREMENT
STANDARD
50 Leveling Head
50 Feedthrough
Common Mode Choke
Insert common mode choke here
5790A Input 1
5790A Ground
Terminal
AC Measurement Standard
Instrument
ead221f.eps
Figure 5-4. Equipment Connections – Level Accuracy Tests (50
Ω
), Low Frequency Points
2. Set the UUT as follows:
Mode
Leveled Sine
Frequency 1 kHz
Level +16 dBm
Output
OPER
3. Allow the AC Measurement Standard to make several measurements and the reading
to settle. Convert the settled reading from V rms to dBm using the following formula:
dBm (50 Ω )






×
=
001 . 0 50
10
2
10
V
Log
The result must be within the tolerance listed in Table 5-11.
4. Set the UUT output to the next frequency listed in Table 5-11 for this test amplitude.
5. Repeat step 3 and confirm that the measured output level is within the tolerance
shown in Table 5-11.