Fluke 5500A, Service Manual

Page: 226 / 296

5500A
Service Manual
6-100
6-127. Leveled Sine Wave Flatness Verification
Leveled Sine Wave flatness verification is divided into two frequency bands: 50 kHz to
10 MHz (low frequency) and > 10 MHz to 300 MHz (high frequency). The equipment
setups are different for each band. Leveled Sine Wave flatness is measured relative to 50
kHz. This is determined directly in the low frequency band. The high frequency band
requires a “transfer” measurement be made at 10 MHz to calculate a flatness relative to
50 kHz.
6-128. Equipment Setup for Low Frequency Flatness
All low frequency flatness procedures use the following equipment:
•
5790A/03 AC Measurement Standard with Wideband option
•
BNC(f) to Type N(m) adapter
•
BNC cable supplied with the SC300
Connect the Calibrator Mainframe SCOPE connector to the 5790A WIDEBAND input
with the BNC(f) to Type N(m) adapter as shown in Figure 6-25. Set the 5790A to
AUTORANGE, digital filter mode to FAST, restart fine, and Hi Res on.
POWER
I
O
5790A AC MEASUREMENT
STANDARD
1000V RMS MAX 1000V RMS MAX
3V RMS MAX
INPUT 1 INPUT 2
SHUNT
HI
LO
GUARD GROUND
SHELL FLOATING
10V PEAK
MAX
WIDEBAND
7V RMS MAX
MAX
10V PK
SHELL FLOATING
INPUT1 SHUNT INPUT1 INPUT1 INPUT1
2.2 mV 22 mV 220 mV
7 mV 70 mV 700 mV
2.2 V 22 V 220 mV
7V 70V 700V
1kV 2.2 mV
AUTO MAN
VIEW
REF
UTIL
MENUS
SPEC
CLEAR
DELETE
ENTER
0 1 2 3 4 5
6 7 8 9 +/-
.
POWER
I
O
0 •
1 2 3
4 5 6
7 8 9
ENTER
M
k
m V Hz
FIELD
EDIT
/ +
F
OPR EARTH SCOPE BOOST MENU
PREV
SHIFT
RESET
CE
SETUP
REF
NEW
TC
MEAS
¡F
µ
n
p
W
dBm sec
¡C A
MULT
x
DIV
÷
OUT
TRIG
5500A CALIBRATOR
20V PK
MAX
HI
LO
TC
TRIG
OUT
1000V
RMS
MAX
20V
RMS
MAX
1V PK
MAX
20V PK
MAX
NORMAL AUX SCOPE
V, ,
RTD
A, -SENSE,
AUX V
200V PK
MAX STBY
om034f.eps
Figure 6-25. Connecting the Calibrator Mainframe to the 5790A AC Measurement Standard
6-129. Equipment Setup for High Frequency Flatness
All high frequency flatness procedures use the following equipment:
•
Hewlett-Packard E4418A Power Meter
•
Hewlett-Packard 8482A and 8481D Power Sensors
•
BNC(f) to Type N(f) adapter
•
BNC cable supplied with the Calibrator Mainframe
Note
When high frequencies at voltages below 63 mV p-p are verified, use the
8481D Power Sensor. Otherwise, use the 8482A Power Sensor.