3.1 Connecting components
LDC2xx / page 14
3.1.4 Analog control output for the laser current
At the output "CTL OUT" (R2) a volt age proportional to the laser current "I
LD
" is
available.
E.g. a recorder, an oscilloscope or an A/D converter card can be connected directly
to the output.
The output "CTL OUT" (R2) provides a voltage of 0 ... ±10 V for I
LD
= 0 ... I
LD MAX
.
With laser polarity "CG" the output voltage is positive (0 … +10 V), with laser polarity
"AG" the output voltage is negative (0 … -10 V).
The output "CTL OUT" (R2) is grounded.
Devices connected to this output should have an input resistance
≥
10 k
Ω
.
When connecting a load avoid ground loops.