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TXE433 

 9  

 

Data lines:  Input 
your data here.  
Data output at RXD-
433 will match data 
input to transmitter. 

Address lines:  
Ground individual 
lines to match 
RXD-433 receiver 
address lines. 

Antenna:  Attach your 
antenna here. 

V+:  Attach 
your +5 volt 
source here. 

GND: Attach 
your power 
supply ground 
here. 
 

Enable:  Ground the transmit enable 
pin to send data to the receiver. 

 
A0 through A7: A0 through A7:  These are the address lines.  Individual ad-
dress lines should be connected to +5 volts or ground to match the RXD433 
transmitter address lines. Lines should be tied high or low and should not be 
left open. 
 
A through D:  These are the data output lines.  The input to these lines will 
match the output at the RXD433 transmitter data lines. 
 
Enable:  When you are ready to transmit, ground the transmit enable pin to 
begin sending data to the receiver. 

Summary of Contents for TXE433

Page 1: ...rms door openers home security you name it Powerful 10 dBm output up to 600 range SAW Resonators for high stability no drift Compact size with low current demand 433 MHz license free band Automatic tu...

Page 2: ...rs QRP Series HF CW Transmitters CW700 Micro Memory CW Keyer PA Series VHF and UHF Power Amplifiers Packet Computer Interfaces QRP Power Amplifiers RAMSEY MINI KITS Many other kits are available for h...

Page 3: ...duction 4 How Encoders and Decoders Work 4 Schematic Diagram 6 Antenna Considerations 8 Hook up diagram 9 Conclusion 10 Warranty 11 WIRELESS RF LINK TRANSMITTER MODULE INSTRUCTION MANUAL FOR Ramsey Pu...

Page 4: ...oise that must be filtered for proper data reception Rather than use microprocessors to detect and correct errors an encoder IC and corresponding decoder IC can be used on the transmitter and receiver...

Page 5: ...s all use the same frequency you would run into interference if you tried to use more than one transmitter at the same time We ve all had this experience when travelling you re tuning the radio and ha...

Page 6: ...TXE433 6...

Page 7: ...TXE433 7...

Page 8: ...ill depend on terrain obstructions and height of antenna Buildings can reflect RF energy making it difficult or impossible to receive the desired signal Also if a reflected signal is bounced off of a...

Page 9: ...mit enable pin to send data to the receiver A0 through A7 A0 through A7 These are the address lines Individual ad dress lines should be connected to 5 volts or ground to match the RXD433 transmitter a...

Page 10: ...the easiest most user friendly format that is possible As our customers we value your opinions comments and additions that you would like to see in future publications Please submit comments or ideas...

Page 11: ...h be assured that the 1K ohm resistors are actually the missing 10 K parts Hum m m I guess the red band really does look orange Ramsey Electronics project kits are packed with pride in the USA If you...

Page 12: ...TXE433 12 Price 5 00 Ramsey Publication No MTXE433 Assembly and Instruction manual for RAMSEY MODEL NO TXE433...

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