MOGlabs DLC202, Manual, Page: 72 / 82

62 Appendix F. Laser head board
La
se
r
Th
er
m
ist
or
+
Th
er
m
ist
or
-
Pe
lti
er
+
Pe
lti
er
-
St
ac
k
Pi
ez
o
+
St
ac
k
Pi
ez
o
-
D
isc
P
ie
zo
+
D
isc
P
ie
zo
-
La
se
r -
La
se
r +
Re
la
y
-
Re
la
y
+
LE
D
R5 49
9R
RF
L
as
er
C
ur
re
nt
In
pu
t
Fe
m
al
e
SM
A
Pa
ir
2
1
Pa
ir
2
2
P2
/4
S
hi
el
d
3
Pa
ir
4
4
Pa
ir
4
5
Si
ng
le
1
6
Si
ng
le
2
7
Si
ng
le
3
8
Pa
ir
1
9
Pa
ir
1
10
P1
/3
S
hi
el
d
11
Pa
ir
3
12
Pa
ir
3
13
Si
ng
le
5
14
Si
ng
le
6
15
Si
ng
le
4
16
Pa
ir
0
17
Pa
ir
0
18
P0
/5
S
hi
el
d
19
Pa
ir
5
20
Pa
ir
5
21
P6
S
hi
el
d
22
Pa
ir
6
23
Pa
ir
6
24
M
ou
nt
H
ol
e
D
1
1 2 3
H
D
1
R3 10
k0
R4 43
R
D
N
I
D
2
A
ct
iv
e
se
ns
or
+
A
ct
iv
e
se
ns
or
-
Si
g
G
nd
P1 SM
A
-
5P
La
se
r I
nt
er
lo
ck
Li
d
po
sii
to
n
in
te
rlo
ck
V
ol
ta
ge
F
re
e
co
nt
ac
t
th
at
c
lo
se
s w
he
n
bo
x
in
p
os
iit
on
1 2
H
D
4
Fl
yi
ng
le
ad
s
R2
4k
99
C4
25
0V
10
nF
Si
g
G
nd
P3 SM
A
-
5P
htd
i
wd
na
b h
gih
F
R
ed
oid
ot
noi
tc
en
no
c
L1
10
0u
H
1 2
7 8
N
C
U
1A
3 4
5 6
N
C
U
1B
R1 39
0R
P5
v
P5
v
P5
v
Ch
as
sis
E
ar
th
Sh
ie
ld
Sh
ie
ld
Sh
ie
ld
Sh
ie
ld
P5
v
G
nd
Figure F.3: MOGlabs
DLC
laser head board schematic. The
RF
modulation
low-pass cutoff frequency is determined by C4 and the diode impedance
(
∼ 50Ω).