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Introduction

Linx KH3 Series RF modules offer a simple, efficient, and cost-effective 
method of adding wireless communication capabilities to any product. The 
Basic Evaluation Kit gives a designer all the tools necessary to correctly 
and legally incorporate the KH3 Series modules into an end product. The 
development boards themselves serve several important functions:

•  Rapid Evaluation: The boards allow the performance of the Linx KH3 

Series modules to be evaluated quickly in a user’s environment.

•  Range Testing: Using the on-board encoders and decoders to 

generate a simplex transmission, a pair of development boards can be 
used to evaluate the range performance of the modules.

•  Design Benchmark: The boards provide a known benchmark against 

which the performance of a custom design may be judged.

•  Application Development: An on-board prototyping area allows for the 

development of applications directly on the development board.  
All signal lines are available on a header for easy access. 

The kit includes 2 KH3 Series transmitters*, 2 KH3 receivers*, 2 extra 
PCB-mount RP-SMA connectors, 2 development boards, 2 CW Series 
antennas, 1 CR2032 battery and 2 AAA batteries.

*One part is soldered to the board, one extra for use on your first prototype board.

KH3 Series Basic Evaluation Kit

  

User's Guide

Figure 1: KH3 Series Basic Evaluation Kit

Summary of Contents for EVAL-315-KH3

Page 1: ...KH3 Series Basic Evaluation Kit User s Guide...

Page 2: ...responsibility of any Linx customer who uses one or more of these products to incorporate appropriate redundancies and safety standards for the Life and Property Safety Situation application Do not us...

Page 3: ...ceiver Decoder Evaluation Board 4 Theory of Operation 5 Using the Kit 5 Setting the Address 6 Development Using the Prototyping Area 7 Range Testing 8 Using the Boards as a Design Reference 9 About An...

Page 4: ......

Page 5: ...e a simplex transmission a pair of development boards can be used to evaluate the range performance of the modules Design Benchmark The boards provide a known benchmark against which the performance o...

Page 6: ...erse Polarity SMA Antenna Connector 8 KH3 Series Transmitter Module 9 10 Position Address DIP Switch KH3 Series Transmitter Encoder Evaluation Board Ordering Information Ordering Information Part Numb...

Page 7: ...Power Switch 3 Prototyping Area 4 Breakout Header 5 KH3 Series Receiver Decoder Module 6 Reverse Polarity SMA Antenna Connector 7 LEDs D1 D7 8 Buzzer D0 9 Holtek Configuration Switches 10 Address Con...

Page 8: ...d has a prototyping area with all of the transmitter lines wired to a header for easy access by external circuitry Decoder Evaluation Board The receiver board is powered by two AAA batteries The data...

Page 9: ...en devices This eliminates opportunities for accidental triggering of unintentional devices within range For example if next door neighbors have matching addresses for their garage doors each person w...

Page 10: ...o the board On the transmitter board the data lines and the TE line from the encoder have been wired out to a header on the right side of the prototyping area On the receiver board the data PDN and DA...

Page 11: ...s in cancellation of the transmitted signal as direct and reflected signals arrive at the receiver at differing times and phases The areas in which this occurs are commonly called nulls and simply wal...

Page 12: ...the board This ground plane serves three important purposes First since a quarter wave antenna is employed the ground plane is critical to serve as a counterpoise please see Application Note AN 00500...

Page 13: ...s more than just our motto it is our commitment A commitment to the highest caliber of product service and support That is why should you have questions or encounter any difficulties using the evaluat...

Page 14: ...D1 D0 TE SW2 SW3 SW4 VCC VCC GND GND LADJ GND 1 D0 2 D1 3 GND 4 VCC 5 TE 6 D2 7 D3 8 D4 9 D5 10 D6 11 D7 12 A0 13 A1 14 A2 15 A3 16 A4 17 A5 18 A6 19 A7 20 A8 21 A9 22 GND 23 ANT 24 D_CFG 25 A_CFG0 26...

Page 15: ...20 R7 620 R8 620 R9 620 R10 620 R11 620 GND VCC PDN DATA VT VCC S4 GND B1 R12 620 D8 GND NC 1 D0 2 D1 3 GND 4 VCC 5 PDN 6 D2 7 D3 8 D4 9 DATA 10 VT 11 D5 12 D6 13 D7 14 A0 15 A1 16 A2 17 A3 18 A4 19 A...

Page 16: ...d all claims or theories of recovery asserted by Customer including without limitation breach of contract breach of warranty strict liability or negligence Customer assumes all liability including wit...

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