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Apex Digital EK37 Manual

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APPLICABLE PARTS (SOLD SEPARATELY)
•
MP104 Power Amplifier
INTRODUCTION
This easy to use kit provides a platform with good circuit board layout and grounding to evaluate MP104
Power Amplifier. With additional prototype area, it is flexible enough to analyze a multitude of standard or
proprietary circuit configurations. 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 50 Ω.
CBP
CBP
+V
_A
S
D1
R
ISO1
OUT_A1
TP3
RN
OUT_A2
OUT_A
RN
OUT_B
OUT_B2
TP4
R
ISO2
OUT_B1
D2
+V
_B
S
CBP
X12
CBP
GNDA
X1
GNDB
www.apexanalog.com
Evaluation Kit
Figure 1: EK37 Schematic
1
CL_A
2
CL_A
3
CL_A
1
R
LIM1
4
+V
_A
GNDA
S
3
5
+V
_A
S
6
+V
_A
S
7
OUT_A
8
CN
NC
1
1
9
GNDA
NC
10
MP104
NC
11
NC
12
NC
CN
2
2
13
NC
GNDB
14
OUT_B
15
+V
_B
S
16
+V
_B
S
17
+V
_B
GNDB
S
4
18
CL_B
R
LIM2
10
19
CL_B
20
CL_B
© Apex Microtechnology Inc.
All rights reserved
D3
GNDA
42
-V
_A
S
41
-V
_A
S
40
-V
_A
S
39
TEMP_A
38
R
IN
IN_A
37
NC
36
-18V
35
FBK_A
34
NC
33
+24V
32
GND
31
NC
30
NC
29
NC
28
FBK_B
27
NC
26
NC
R
25
IN
IN_B
24
TEMP_B
23
-V
_B
S
22
-V
_B
S
21
-V
_B
S
GNDB
D4
EK37
CBP
2
-V
_A
S
CBP
X3
8
C
_A
TMP
R
_A
TMP
TMP_A
A
IN_A
R
A
T
-18V
CBP
7
OUT_A
+24V
CBP
6
OUT_B
R
B
T
B
IN_B
TMP_B
R
_B
TMP
-V
_B
S
C
_B
TMP
CBP
X11
5
CBP
9
April 2016
EK37U Rev A

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Summary of Contents for Apex Digital EK37

  • Page 1 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 50 Ω. Figure 1: EK37 Schematic GNDA CL_A...
  • Page 2 EK37 Figure 2: EVAL 76 PCB Layout EK37U Rev A...

  • Page 3: Parts List

    EK37 PARTS LIST Reference Manufacturer Part # Description Resistors RINA, RINB CFR-50JB-52-160R 160 Ω, ½W RTA, RTB PR03000205109JAC00 51 Ω, 3W, 5% RN1, RN2 CMF5510K000FKEA 10 kΩ, 1/4W, 1% RTMP_A, RTMP_B CMF5030K100FHEB 30.1 kΩ, 1/4W RLIMA, RLIMB 15FR100E-ND 0.1 Ω, 5W, Metal...

  • Page 4: Before You Get Started

    EK37 BEFORE YOU GET STARTED • All Apex amplifiers should be handled using proper ESD precautions. • Always use the heat sink and thermal washers included in this kit. • Always use adequate power supply bypassing. • Do not change the connections while the circuit is powered •...
  • Page 5 EK37 Figure 3: Top View 4 X #8 X 0.375" SCREW 4 X #8 X 2.00” HEX STANDOFFS 4 X #4 X 0.187” SCREW 4 X SPACER GROMMETS 4 X #8 X 0.625” SCREW EK37U Rev A...
  • Page 6 EK37 Figure 4: Bottom View EK37U Rev A...

  • Page 7: Test Setup

    EK37 TEST ASSEMBLY EQUIPMENT NEEDED 1. Power supply 2. Function Generator 3. Oscilloscope 4. Proper heat sinking system (if operating at high current) TEST SETUP Connect the positive power supply to banana jacks P8 and P17. Since the negative supply is grounded, connect the ground connection of the positive supply to jacks P9 and P16.
  • Page 8 EK37 Figure 5: Test Results NEED TECHNICAL HELP? CONTACT APEX SUPPORT! For all Apex Microtechnology product questions and inquiries, call toll free 800-546-2739 in North America. For inquiries via email, please contact apex.support@apexanalog.com. International customers can also request support by contacting their local Apex Microtechnology Sales Representative. To find the one nearest to you, go to www.apexanalog.com...