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Apex Digital EK31 Quick Start Manual

Evaluation kit
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APPLICABLE PARTS (SOLD SEPARATELY)
•
PA01
•
PA10
•
PA12
•
PA51
•
PA61
•
PA73
•
PA119
INTRODUCTION
This easy to use kit provides a platform with good circuit board layout and grounding to evaluate Power
Amplifiers PA01, PA10, PA12, PA51, PA61, PA73 and PA119. 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. Similar circuitry is used for evaluation and the circuit for a particular package can be changed
using jumpers. 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.
All the Power amplifiers are configured for a gain of 21. This evaluation kit provides flexibility for modify‐
ing the gain, in inverting or non‐inverting mode and for using a differential amplifier configuration.
www.apexanalog.com
Evaluation Kit
Figure 1: EK31 Circuit Configuration Diagram
© Apex Microtechnology Inc.
All rights reserved
EK31
Aug 2015
EK31U Rev A

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Summary of Contents for Apex Digital EK31

  • Page 1 All the Power amplifiers are configured for a gain of 21. This evaluation kit provides flexibility for modify‐ ing the gain, in inverting or non‐inverting mode and for using a differential amplifier configuration. Figure 1: EK31 Circuit Configuration Diagram © Apex Microtechnology Inc.
  • Page 2 EK31 Figure 2: PA01, PA10, PA12, PA51, PA61, PA73 Circuit Configuration Diagram Figure 3: PA119 Circuit Configuration Diagram EK31U Rev A...
  • Page 3 EK31 Figure 4: EVAL 76 PCB Layout EK31U Rev A...

  • Page 4: Parts List

    EK31 PARTS LIST Reference Manufacturer Part # Description Resistors PR03000205109JAC00 51Ω, 3W, 5% RIN‐1, RIN‐2 RN60D1801FB14 1.8KΩ, 1/4W, 1% RFB1‐B, RFB3‐B RN60D1802FB14 18KΩ, 1/4W, 1% MP930‐.10‐1% 0.1Ω, 30W, 1% RLIMA MP930‐.2‐1% 0.2Ω, 30 W, 1% RLIMB RIS0‐1, RIS0‐2 0Ω, Wire Jumper 1.

  • Page 5: Before You Get Started

    EK31 Reference Manufacturer Part # Description Miscellaneous TFT20018 NA005‐6” Tubing, Teflon, #18AWG, 6 INCHES SPC02SVJN‐RC Jumper, Slip On PRPC002SADN‐RC Header, Connector 5001 Test Point, PC Mini BEFORE YOU GET STARTED • All Apex amplifiers should be handled using proper ESD precautions.
  • Page 6 EK31 10. #8 hex stand offs (91841A009) are also provided with the kit. Install the # 8 x 0.25"screws (91735A190), provided with the kit, from the component side. Attach the standoffs to these screws on the corners of the board. Refer to the assembly drawings while installing the standoffs.
  • Page 7 EK31 Figure 5: Bottom View 1. 4 X #8 X 0.25" SCREW 2. 4 X #8 X 0.375" HEX SPACER 3. 4 X #8 HEX NUT 4. 1 X TW03 THERMAL WASHER 5. 2 X #6 X 0.75” SCREW EK31U Rev A...
  • Page 8 EK31 Figure 6: Top View 6. 1 X HS23 HEATSINK 7. 4 X #8 X 0.375" HEX SCREW 8. 4 X #8 X 2” HEX STANDOFF 9. 2 X #6 HEX NUT 10. 1 X MS03 SOCKET 11. 1 X HS13 HEATSINK...

  • Page 9: Equipment Needed

    EK31 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 10 EK31 Figure 8: Current Waveforms for PA12 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.
  • Page 11 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Apex Microtechnology EK31...