Starter Kit Instruction Manual Installation 28
5.5 In stalling the starter Kit

5.5.1 Before beginning

Make sure that the following devices are turned
OFF:
•TPG128
•TCU151
•User DC power supply

5.5.2 Procedure

To install the QCL Starter Kit, proceed as follows:
[1] Plug thelow impedance line into the LLH100
connector (2). The line connector is co ded.
CAUTION ! Pay attention about the con-
nection’s polarity. The laser must be floating
from ground for both anode and cathode.
[2] Plug the low impedance line into the QCL
pulser switching unit low impedance output
(1) paying attention for the polarity.
TPG128−TTLPulseGenerator
O
TCU151
FF
ON
Po
T
w
e
e
m
r
perature
0
C
.
o
2
n
t
t
o
r
2
o
.
l
2
l
m
e
s
r
0.5to10.5ms
5to105ms
0to200ns
−−−−−−−−−Period−−−−−−−−−−Duration−
GateINT
rigOUTOut1Out2
50ohms50ohms 50ohms
max60mA
+12V
0V
connected to + hi High Voltage
Pulse on top, Bottom
Output
Current control Max 60V
Power supply 12V
Input
LDD 100
Monitor 20 A/V, Z50 Ohm
2
1
Fig.16: Installing the Quantum Cascade Laser Starter Kit