background image

–     –

11

1 2 3

20 19 18

4 5 6

17 16 15

7 8 9

14 13 12

10

11

S1

GN

D

VCC

BZ1

B`

4

C

5

C`

6

GN

D

7

B

3

A`

2

A

1

E

11

F`

12

F

13

VCC

14

E`

10

D

9

D`

8

U2

C1

0.01uF

R1

100k

R2

10k

R3 2.2K

R4 10K

GN

D

Q1 2N2222

1

GND

RF

GND

2-5

ANT1 CONREVSMA00

1

RSSI

GND

GN

DG

ND

GND

GND

GN

DG

ND

R5 620

D1

D2

D3

D4

D5

D6

D7

R6 620

R7 620

R8 620

R9 620

R10 620

R11 620

GN

D

VCC

PDN

DATA

VT

VC

C

S4

GN

D

B1

R12 620

D8

GN

D

NC

1

D0

2

D1

3

GN

D

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

A5

20

A6

21

A7

22

A8

23

A9

24

RSSI

25

NC

26

GN

D

27

ANT

28

D_CFG

29

A_CFG0

30

A_CFG1

31

RX1 RXD-XXX-KH

3

SW

2

SW

3

SW

4

VCC

VCC

GN

D

PDN

DATA

VT

RSSI

1 2 3 4 5 6 7 8 9 10 11 12

J1

KH3 Series Receiver / Decoder Evaluation Board Schematic

Figure 6: KH3 Series Receiver / Decoder Evaluation Board Schematic

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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