TWS-434 / RWS-434 http://www.rentron.com

Symbol Parameter Condition Min Typ Max Unit

Vcc Supply Voltage 2.0 - 12.0 V

Ip Peak Current 2V / 12V - 1.64 / 19.4 - mA

Vh Input High Voltage Idata = 100uA (High) Vcc-0.5 Vcc Vcc+0.5 V

Vl Input Low Voltage Idata = 0 uA (Low) - - 0.3 V

Fo Operating Frequency 433.90 433.92 433.94 MHz

Tr / Tf Modulation Rise / Fall Time External Coding - - 100 / 100 uS

Po RF Output Power – Into 50Ω

Vcc = 9 to 12 V Vcc = 5 to 6V - 16

14 - dBm

Dr Data Rate External Coding - 2.4K 3K Bps

Symbol Parameter Condition Min Typ Max Unit

Vcc Supply Voltage 4.5 5 5.5 V

It Operating Current - 3.5 4.5 mA

Channel Width + / - 500 kHz

Rd Data Rate 3k Bps

Idata = +200 uA (High) Vcc-0.5 - Vcc V Vdat Data Out

Idata = -10 uA (Low) - - 0.3 V

Reynolds Electronics 3101 Eastridge Lane Canon City, CO. 81212 Tel: (719) 269-3469 Fax: (719) 276-2853 Web: http://www.rentron.com

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23

22

21

20

19

18

17

16

8

9

7

6

5

4

3

2

1

A1

A2

A3

A4

A5

A6

A7

A0GND

GND

+5V

390K

A8

D1

D2

D3

OSC1

OSC2

VCC

D0

A9

HT-648L DECODER IC

15

14

10

11

12 13

D4

D5

D6

D7

DINVT

GND

D

C

B

A

4 3 2 1

D

C

B

A

4 3 2 1

RWS-434

1 2 3 4 65 7 8

+5V

ANTENNA

GND

NPN2N3904

R110K

R2470

LED

+5V

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17

16

8

9

7

6

5

4

3

2

1

A1

A2

A3

A4

A5

A6

A7

A0GND

GND

+5V

390K

A8

D1

D2

D3

OSC1

OSC2

VCC

D0

A9

HT-640 ENCODER IC

15

14

10

11

12 13

D4

D5

D6

D7

DOUT

TE

+5V

GND

1 2 3 4

TWS-434A

+5V

DATA IN FROM ENCODER IC

ANTENNA

GND

GND

ENCODED DATA TO RECEIVER

SAMPLEVALID TRANSMIT

CIRCUIT

4-BIT & 8-BITRF REMOTE CONTROL

TX / RX / DRIVE CIRCUITSSIZE FSCM NO DWG NO REV

DRAWN REYNOLDS ELECTRONICS 1 A

ISSUED SCALE 1 : 1 SHEET 2 OF 5

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12

11

10

8

9

7

6

5

4

3

2

1

A1

A2

A3

A4

A5

A6

A7

A0

GND

GND

+5V

750K

D0

D1

D2

D3

OSC1

OSC2

VCC

DOUT

/TE

HT-12E ENCODER IC

18

17

16

15

14

13

12

11

10

8

9

7

6

5

4

3

2

1

A1

A2

A3

A4

A5

A6

A7

A0

GND

GND

+5V

33K

D0

D1

D2

D3

OSC1

OSC2

VCC

VT

DIN

HT-12D DECODER IC

NPN2N3904

1N4148DIODE

10K

+5V

LOAD

RELAYCOIL

1 = ON0 = OFF

RELAYCONTACT

[ EXAMPLE ]NPN RELAY DRIVE CIRCUIT

FOR RECEIVER

GND

PNP2N4403

1N4148DIODE

10K

+5V

LOAD

RELAYCOIL

RELAYCONTACT

GND

1 = OFF0 = ON

[ EXAMPLE ]PNP RELAY DRIVE CIRCUIT

FOR RECEIVER

8-BIT DECODERCIRCUIT

4-BIT DECODERCIRCUIT

4-BIT ENCODERCIRCUIT

8-BIT ENCODERCIRCUIT

5 VOLT DC RELAY

5 VOLT DC RELAY

DUPLICATE DRIVE CIRCUIT FOR EACH CONTROL OUTPUT AS REQUIRED

NOTE: For whip antenna - center conductor ofcoax cable connects to antenna pin of module.

Braided shield connects to circuit ground