User's Manual

Construction of Optical Unit
RMT LtdRMT Ltd
RMT LtdRMT Ltd
DX6106
Thermistor
Fig. 3.22. Thermistor
connection in the 6102
R
T
U
REF
R
L
C
t°
X1
7
X1
3
X1
6
X1
4
X1
8
OUTT
GNDA
GNDA
GNDA
GNDA
Filter
X1
2
+5VIN
For a TE cooler tempe-
rature controlling NTC
thermistor is mounted onto
the cold side of a TE
cooler. This thermistor is
applied in a scheme with
serial loading resistor
and a reference (Fig.
3.22).
R
U
L
REF
R
T
R
L
C
2.2 k ±5%W
3.83 k ±0.1%W
0.1 F, ceramicm
Designation
Value
Component list
The typical dependence of thermistor resistance on
temperature is presented in Fig. 3.20. The dark area
around the curve marks technological deviation
determined by resistance and Beta Constant straggling
from rated values.
3-19