Advertisement
Quick Links
WIRELESS RF LINK
TRANSMITTER/ENCODER
MODULE
Ramsey Electronics Model No.
Need a data transmitter or receiver for your remote wireless
application? These compact units are perfect for any project;
car alarms, 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 tuning – no manual adjustments.
•
Operates on 5 volts DC.
TXE433
Advertisement
Related Manuals for Ramsey Electronics TXE433
Summary of Contents for Ramsey Electronics TXE433
- Page 1 WIRELESS RF LINK TRANSMITTER/ENCODER MODULE Ramsey Electronics Model No. TXE433 Need a data transmitter or receiver for your remote wireless application? These compact units are perfect for any project; car alarms, door openers, home security, you name it! • Powerful +10 dBm output – up to 600’ range! •...
- Page 2 Ramsey Electronics publication No. MTX433 Revision 1.1 First printing: July 1999 COPYRIGHT 1996 by Ramsey Electronics, Inc. 590 Fishers Station Drive, Victor, New York 14564. All rights reserved. No portion of this publication may be copied or duplicated without the written permission of Ramsey Electronics, Inc.
-
Page 3: Table Of Contents
WIRELESS RF LINK TRANSMITTER MODULE TABLE OF CONTENTS Introduction ........4 How Encoders and Decoders Work . 4 Schematic Diagram ......6 Antenna Considerations ....8 Hook up diagram ......9 Conclusion ........10 Warranty .......... 11 TXE433 • 3... -
Page 4: Introduction
HT-12E encoder/decoder chips it is possible to program hundreds of possible addresses and transmit to several different receivers using the same transmitter. The HT12E encoders begin a 4-word transmission cycle when transmit enable is pulled low. This cycle will repeat itself as long as TXE433 • 4... - Page 5 10K resistor when open. The other side of the switch should be connected directly to ground. This way, any switch and its corresponding address line that is left open is tied high via the 10K resistor. TXE433 • 5...
-
Page 6: Schematic Diagram
TXE433 • 6... - Page 7 TXE433 • 7...
-
Page 8: Antenna Considerations
Since the wavelength of the 433 MHz signal is about two feet, moving the antenna slightly can effect the phase of a reflected signal. The ideal conditions for best transmission and reception are line of sight and outside with no obstructions. TXE433 • 8... -
Page 9: Hook Up Diagram
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. TXE433 • 9... -
Page 10: Conclusion
Please submit comments or ideas to: Ramsey Electronics Inc. Attn. Hobby Kit Department 590 Fishers Station Drive Victor, NY 14564 And once again, thanks from the folks at Ramsey! TXE433 • 10... -
Page 11: Warranty
But on rare occasions a sour component can slip through. All our kit parts carry the Ramsey Electronics Warranty that they are free from defects for a full ninety (90) days from the date of purchase. Defective parts will be replaced promptly at our expense. If you sus- pect any part to be defective, please mail it to our factory for testing and replacement. - Page 12 Price: $5.00 Ramsey Publication No. MTXE433 Assembly and Instruction manual for: RAMSEY MODEL NO. TXE433 TXE433 • 12...