ESI VideoBridge 2150, Service Manual

Page: 26 / 332

Table
I-I.
Capa c i t a n ce Measureme n t A ccura cy
CAPACITANCE
I
.¢,('
100
">,('
20Hz 100Hz
I
kHz 10kHz
FREQU ENCY
Xc
100MO
10MO
IMO
100kO
10kO
I kO
1000
100
10
100mO
10mO
ImO
100fjO
100kHz
* +
(
O.OlpF
f(kHz)
+ O.OlPF
)
**0.02% at 1 kHz from Approximately
1 nF to lOfJF
If D
>
1, add
[
0.05% (1 +0.3D2)
]
to accuracies shown
TEST CONDITIONS:
Level
-1000mV/100mA
S'peed -Medium t
Range -Auto
Bias
-Off
Zero -Cal ibrated
Connections -Fully Shieldedtt
V 800mV to 1500mV
test
I
50mA to 100mA
test
For V test <800 mV Mu Itiply Basic Accuracy
by
(I
+
(
I +
��z)
For Itest <50mA
(Z>
160)
Multiply Basic Accuracy by
(I
+
mA
For Ite,t <SOmA
(Z �
160)
Multiply Basic Accuracy by (I
+
t
Accuracy specification applies to Medium and
Slow Speed. If Fast Speed, add 0.05% to
accuracies shown.
tt
Properly shielded test leads and connections to
the unknown are required to achieve specified
accuracy.
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