Rohde & Schwarz EMI Test ReceiverESCI - Frequency-Converting Measurements

R&S ESCI External Generator Control - Configuration
1166.6004.12 4.298 E-1
Frequency-converting Measurements
For frequency-converting measurements (e.g. on converters) the external generator is able to set a
constant frequency offset between the output frequency of the generator and the receive frequency of
the analyzer and, in addition, the generator frequency as a multiple of the analyzer.
0
12
3
45
6
789
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ESC
1142.8007.03
FCTN
ENTER
CANCEL
GEN OUTPUT 50 Ω
ΩΩ
Ω
AF OUTPUT
MEAS TRIG
FREQ
MKR
AMPT
SPAN
MKR
MKR
BW SWEEP
TRACE
LINES
DISP
FILE
GHz
MHz
kHz
Hz
-dBm
dBm
dB
dB..
CAL
SETUP
PRESET
HCOPY
TES T RECEIVER 9kHz . . . 3GHz
..
ESPI
BACK
s
V
m
s
mV
µ
sµ
V
n
s
nV
PREV
RF INPUT 50
EXT MIXER
MA
X
+30 dBm / 50V DC
NEXT
KEYBOARDPROBE POWER
MAX 0V DC
MADE IN GERMANY
.
Ω
ΩΩ
Ω
RF
INPUT
DUT
GEN
OUTPUT
Fig. 4-41 Test setup for frequency-converting measurements
NETWORK Menu
FREQUENCY
OFFSET
The FREQUENCY OFFSET softkey activates the input of the frequency
offset between the output signal of the generator and the input frequency of
the analyzer. The value range depends on the selected generator.
The default setting is 0 Hz. Offsets <> 0 Hz are marked with the
enhancement label FRQ.
If a positive frequency offset is entered, the tracking generator generates
an output signal above the receive frequency of the "analyzer. In case of a
negative frequency offset it generates a signal below the receive frequency
of the analyzer. The output frequency of the generator is calculated as
follows:
Generator frequency = receive frequency + frequency offset
IEC/IEEE-bus command: SOUR:EXT:FREQ:OFFS 1GHZ