Caen ELS FLUCS CT PCB Series, User Manual, Page: 20 / 23

Technical Specifications CT PCB Series User’s Manual
20
Figure 10: Equivalent Input Noise graph (typical values)
3.2 External Shunt Resistor
The maximum value of the external shunt resistor that can be connected on the
I
S
output pin in the current-output versions is shown hereafter in the following chart.
Figure 11: Maximum external shunt resistor ( Current version only)
0
1
2
3
4
5
6
7
8
9
10
2 20 200 2000 20000
Eq
u
iv
al
e
n
t
In
p
u
t
N
o
ise
(p
p
m
/FS
)
Bandwidth (Hz)
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
30 35 40 45 50 55
M
axi
m
u
m
Sh
u
n
t
R
e
si
sto
r [
Ω
]
I
S
[mA]