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Apex Digital EK07 Manual

Evaluation kit
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APPLICABLE PARTS (SOLD SEPARATELY)
•
SA09 Pin-Out
INTRODUCTION
This easy-to-use kit provides a platform for the evaluation of PWM amplifier circuits using the SA09 pin-
out. With ample breadboarding areas it is flexible enough to analyze a multitude of standard or proprietary
circuit configurations. Critical connections for power supply bypassing, compensation and current limiting are
pre-wired. Components not usually readily available in engineering labs are provided. External connection to
the evaluation kit can be made via the terminals at the edge of the circuit board. These terminal pads are suit-
able for standard banana jacks or direct soldering of wires. The schematic is shown in Figure 1.
Figure 1 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.
www.apexanalog.com
Evaluation Kit
Figure 1: EK Schematic
© Apex Microtechnology Inc.
All rights reserved
EK07
Aug 2015
EK07U Rev F

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Summary of Contents for Apex Digital EK07

  • Page 1 EK07 Evaluation Kit APPLICABLE PARTS (SOLD SEPARATELY) • SA09 Pin-Out INTRODUCTION This easy-to-use kit provides a platform for the evaluation of PWM amplifier circuits using the SA09 pin- out. With ample breadboarding areas it is flexible enough to analyze a multitude of standard or proprietary circuit configurations.

  • Page 2: Parts List

    EK07 PARTS LIST Reference Manufacturer Part # Description Printed Circuit Board EVAL 18 EVAL18 Printed Circuit Board Capacitors CVs, CVcc 1825RB105K201N 1uF,200V CAP - NOVACOP Resistors Ra, Rb MP-725-0.10-1% Resister, 0.10 Ω Ra, Rb MP-725-0.05-1% Resistor, 0.05 Ω Hardware HS21...
  • Page 3 EK07 Figure 2: Figure 2 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 A OUT or B OUT pads relative to power ground you should observe a square wave with a frequency of approximately 500kHz, 30V p-p which is being modulated from approximately 0 to 100% duty cycle at a rate of 1 Hz.
  • Page 4 EK07 Figure 3: PCB TOP SIDE B OUT Ilim/ A OUT SHDN 4.50 EVAL18 R-B TOP SIDE SPARE 1 SPARE 2 8.00 BOTTOM SIDE SPARE 1 SPARE 2 SIG GND APEX EVAL18 BOT SIDE CVcc Ilim/ SHDN A OUT B OUT...

  • Page 5: Important Notice

    EK07 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...