NF FRA5087 - Fig. 5-1 Phase Invert Connection; Graph Screen Description; Shunt Resistance Current-Voltage Conversion Coefficient Setting

5.4 Operation method
FRA5087
5-9
5.4.3 Graph screen description
5.4.4 Shunt resistance current-voltage conversion coefficient setting
Use the menu [INPUT] [WEIGHTING FACTOR] to set current-voltage conversion coefficient.
Setting range is 0 to 1.0E+6.
Voltage input is CH1. If connecting a preamplifier with a gain of 100, set the CH1 weighting
factor to 0.01 (inverse of 100).
Current input is CH2. If the CH2 shunt resistance is 100 mΩ, set the CH2 weighting factor to
10 (inverse of 100 m).
Set invert on to invert the phase (+180). This can be effective for inverting voltage and current
phase when measuring impedance.
Fig. 5-1 Phase invert connection
Impedance units
Graph and impedance units are shown
Vertical axis scale can also be shown with log spacing
OSC: 100.0000000MHz 7.00 Vpeak DC 1.00 V INTEG: 100cycle HMNC: 1
SWP: 100steps/sweep CPRSN:OFF SLSWP:OFF ANAL:CH2/CH1 EQL:OFF
SWEEP STOP
1
2
3
4
5
6
PHASE[deg]
FREQUENCY(Hz)
IMPD[¶ n
1m
10m
100m
10 100 1k 100k
-90
-75
-60
-45
-30
-10
0
*f: 1.0000000kHz @@@*R: 7.5 m¶ @@*Æ : -80.66 deg
INVERT:OFF
CH1(V)
DUT
SHUNT
CH2(I)
+
+
-
-
d ³ Æ d ¬ Ì
ü Í O h ¤ Ê
INVERT:ON
CH1(V)
DUT
SHUNT
CH2(I)
+
-
-
+
Common ground for voltage
and current inputs