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APPLICABLE PARTS (SOLD SEPARATELY)
•
PA90
•
PA91
•
PA92
•
PA93
•
PA98
INTRODUCTION
This easy-to-use kit provides a platform for the evaluation of linear power amplifiers circuits using the
PA90/PA91/PA92/PA93/PA98 pin-out. With ample breadboarding area it is flexible enough to analyze a mul-
titude of standard or proprietary circuit configurations. Critical connections for power supply bypassing, com-
pensation and current limiting are pre-wired. Components not usually readily available in engineering labs
are provided. External connections to the evaluation kit can be made via the terminals at the edge of the cir-
cuit board. These terminal pads are suitable for standard banana jacks or direct soldering of wires. The sche-
matic is shown in Figure 2.
TOP SIDE
M I
C
R
O
T
E C H
N
SPARE
BOTTOM SIDE
www.apexanalog.com
Evaluation Kit
Figure 1: PCB Layout
IC
IC
EVAL20 R
COMPONENT & DUT SIDE
O
L
O
G
Y
SPARE
SPARE
GND
EVAL20
APEX
CIRCUIT SIDE
© Apex Microtechnology Inc.
All rights reserved
1
C1
C2
Rc
Cc
GND
OUTPUT
-
DRIVE
-
C3
-IN
+IN
-Vs
GND
+Vs
6.68
GND
1
EK16
12
2.87
-
C4
R
LIM
OUTPUT
DRIVE
12
Sep 2020
EK16U Rev J
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Table of Contents
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Summary of Contents for Apex Digital EK19
- Page 1 EK16 Evaluation Kit APPLICABLE PARTS (SOLD SEPARATELY) • PA90 • PA91 • PA92 • PA93 • PA98 INTRODUCTION This easy-to-use kit provides a platform for the evaluation of linear power amplifiers circuits using the PA90/PA91/PA92/PA93/PA98 pin-out. With ample breadboarding area it is flexible enough to analyze a mul- titude of standard or proprietary circuit configurations.
- Page 2 EK16 Figure 2: EK Schematic Figure 2 shows the schematic of the evaluation kit's pre-wired connections. Components supplied with the kit are marked with an asterisk (*). All other connections are made via the bread-boarding areas of the circuit board. EK16U Rev J...
- Page 3 EK16 Figure 3: Test Circuit Figure 3 shows a suggested simple test circuit that you can build to gain a familiarity with the evaluation kit as well as the amplifier. At the output (pin 6) you should observe a 100 V p-p sine wave. EK16U Rev J...
- Page 4 EK16 PARTS LIST Reference Manufacturer Part # Description HS23 Heatsink HS20 Heatsink 310-43-120-41-001000 Mating Socket Strip 1 bag (2 each) EVAL20 PC Board TW07 Thermal Washer 1 box (10 each) C1, C2 ZX7R105KTL Capacitor, 1µF, ceramic C3, C4 EC02 Capacitor, 33µF electrolytic MP930 - 0.30 - 1% Resistor, 0.3 Ω...
- Page 5 EK16 into the mounting hole of the heat sink. Secure the screw from the opposite side of the heat sink using a nut holder. 8. Add other components as necessary to complete your application circuit. Figure 4: Mechanical Drawing NEED TECHNICAL HELP? CONTACT APEX SUPPORT! For all Apex Microtechnology product questions and inquiries, call toll free 800-546-2739 in North America.
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