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Apex Digital EK27 Manual

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APPLICABLE PARTS (SOLD SEPARATELY)
•
PA50
•
PA52
INTRODUCTION
This easy to use kit provides a platform with good circuit board layout and grounding to evaluate linear
power amplifier circuits using the PA50 / PA52 pin out. With additional prototype area, it is flexible enough to
analyze a multitude of standard or proprietary circuit configurations. All 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.
The Power amplifiers are configured for a gain of 21. This evaluation kit provides flexibility for modifying
the gain, in inverting or non-inverting mode and for using a differential amplifier configuration.
www.apexanalog.com
Evaluation Kit
Figure 1: PCB
© Apex Microtechnology Inc.
All rights reserved
EK27
Aug 2019
EK27U Rev I

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Summary of Contents for Apex Digital EK27

  • Page 1 EK27 Evaluation Kit APPLICABLE PARTS (SOLD SEPARATELY) • PA50 • PA52 INTRODUCTION This easy to use kit provides a platform with good circuit board layout and grounding to evaluate linear power amplifier circuits using the PA50 / PA52 pin out. With additional prototype area, it is flexible enough to analyze a multitude of standard or proprietary circuit configurations.
  • Page 2 EK27 Figure 2: Schematic for Non-Inverting Amplifier Figure 3: Assembled Schematic EK27U Rev I...

  • Page 3: Parts List

    EK27 PARTS LIST Reference Manufacturer Part # Description Resistors PR03000205109JAC00 51 Ω, 3W, 5% RIN-1, RIN-2 RN60D1801FB14 1.8 KΩ, 1/4W, 1% RFB1-B, RFB3-B RN60D1802FB14 18 KΩ, 1/4W, 1% RIS0-1, RIS0-2 Not Included 0 Ω, Wire Jumper Printed Circuit Board EVAL29...

  • Page 4: Before You Get Started

    EK27 BEFORE YOU GET STARTED • All Apex Microtechnology 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 EK27 ASSEMBLY During the assembly, please refer to the circuit schematics, assembly drawings, and the data sheet of the part being used on the evaluation kit. 1. Note that each side of the circuit board is identified as either the component side or the DUT side. The component side has the designators printed on that side.
  • Page 6 EK27 Figure 4: Top View EK27U Rev I...
  • Page 7 EK27 Figure 5: Bottom View EK27U Rev I...

  • Page 8: Test Setup

    EK27 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 power supply to the terminal strip. Connect the BNC cable from the function generator to the BNC connector marked VIN, mounted on the board.
  • Page 9 EK27 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...

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