Product category:
Communications ICs (Wireless)
News Release from: RF Solutions | Subject: RF600 encoder/decoder chipset
Edited by the Electronicstalk Editorial
Team on 30 August 2002
Encoder adds security to telemetry links
The RF600 encoder/decoder chipset from RF Solutions provides a secure and easy to use solution for designers of both radio and infra-red transmitter receiver sets.
The RF600 encoder/decoder chipset from RF Solutions provides a secure and easy to use solution for designers of both radio and infra-red transmitter receiver sets The devices, which have been designed to achieve the maximum possible range, use the Keeloq code hopping protocol to give highly secure operation
This article was originally published on Electronicstalk on 28 Sep 2000 at 8.00am (UK)
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The chipset is suitable for use in a wide range of applications that includes: automotive alarm systems, gate and garage openers, electronics door locks and burglar alarms.
The ability of the decoder to learn up to 50 encoder devices allows multiuser systems to be easily established.
Adoption of a fully balanced Manchester encoded data protocol enables the superhetrodyne receiver 'data slicer' to maintain efficiency for the duration of the data packet.
This results in reduced bit errors and therefore ensures that maximum range is achieved.
Housed in an 8-pin DIP/SOIC package, the RF600E encoder can be easily inserted into a circuit and requires the addition of only input switches and RF circuitry in order to function.
A supply voltage of between 2.0 and 6.6V is required to power the chip.
An automatic monitor is built in to check battery status on each operation and transmit a flag to the decoder if the voltage drops too low.
The RF600D decoder is housed in an 18-pin DIP/SOIC package and requires a supply voltage of 4.5 to 5.5V.
Four digital outputs that may be configured as either momentary or latching give 15 possible states.
A serial data output is also provided; this is useful in applications where there is a requirement to feed decoded data into a master controller.
If required an LED can be connected, this can then indicate the status of the learn and erase processes as well as the data reception status.
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