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© Apex Microtechnology Inc.
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Oct 2019
EK49U Rev A
Evaluation Kit
EK49
APPLICABLE PARTS (SOLD SEPARATELY)
• MP165
INTRODUCTION
This easy to use kit provides a platform with good circuit board layout and grounding to evaluate the
MP165 Power Amplifier. The evaluation board provides options to install a load capacitor and series resistor
to evaluate the MP165 performance with a printhead. All necessary components are provided with the kit.
External connections to the evaluation kit can be made through the connectors at the edges of the circuit.
The circuit provides a line termination of 50Ω.
Figure 1: Circuit Configure Diagram
OUT_2
GND
+IN
OUT_1
VTMP
PDWN
OCFLG
-IN
OUT
MP165KL
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
17
18
19
20
N/
C
N/
C
N/
C
+VB
+VS
GND
-VS
-VB
GND
-VS
ILIM+
-VB
CC2
CC1
-IN
+IN
VTMP
+V
S
+V
B
OC
FL
G
ILIM-
PD
W
N
TP
BB R
ING
N/
C
GND
+5V
OUT
TR
X
NC
21
N/
C
N/
C
Jumper on
VB=VS
Jumper on
22
23
N/
C
DUT
VB=VS
P2
P12
RT2
51
P10
P11
P15
P14
P13
P1
RT1
51
21
D3
400V
21
D4
400V
TP12-1
TP11-1
CNF
RN
TP2-1
TP1-1
TP10-1
TP13-1
TP14-1
TP15-1
RIN1
2K
RIN2
2K
RFB1
49.9K
RFB2
RISO
RLIM
0.15 Ohm
RS
P8
P6
CBP2
470uF
P7
TP8-1
TP6-1
TP7-1
P5
P3
CBP5
470uF
TP3-1
TP5-1
P4
TP4-1
P17
P16
TP16-1
TP17-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
3
4
HS31
CFB1
X1
X2
RFB3
2
1
D1
2
1
D2
R1
2K
CBP1
1uF
C1
1uF
21
D6
18V
21
D5
18V
CBP3
1uF
CBP4
1uF
CBP6
1uF
1
2
3
4
S1
SPST-N.O.
CC2
3.3pF
CC1
3.3pF
TP21-1
TP22-1
X3
X4
-VS
+VS
+5V
+5V
+5V
-VB
-VS
+VB
+VS
