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參數資料
| 型號： | LICAL-ENC-MS001 |
| 廠商： | Linx Technologies Inc |
| 文件頁數： | 4/24頁 |
| 文件大小： | 0K |
| 描述： | IC ENCODER MS SERIES 20-SSOP |
| 標準包裝： | 1,600 |
| 系列： | MS |
| 類型： | 數據編碼器 |
| 應用： | 警報系統(tǒng)，通信系統(tǒng) |
| 電壓 - 電源，模擬： | 2.0 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 20-SSOP |
| 包裝： | 管件 |
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8
Design Considerations
The Linx MS Series encoders and decoders are designed for remote
control applications. They provide an easy way to securely register button
presses or switch closures over a wireless link. The encoder side turns the
status of eight parallel input lines into a secure, encoded, serial bit-stream
output intended for transmission via an RF or infrared link. Once received,
the decoder decodes, error checks, and analyzes the transmission. If the
transmission is authenticated, the output lines are set to replicate the status
of the lines on the encoder.
Prior to the arrival of the Linx MS Series, encoders and decoders typically
fell into one of two categories. First were older generation, low-security
devices that transmitted a fixed address code, usually set manually with a
DIP switch. These address lines frequently caused the user confusion when
trying to match a transmitter to a receiver. Another disadvantage was the
possibility that address information could be captured and later used to
compromise the system.
These concerns resulted in the development of a second type of encoder /
decoder that focused on security and utilized encryption to guard
against code cracking or code grabbing. Typically, the encoding of each
transmission changes based on complex mathematical algorithms to
prevent someone from replicating a transmission. These devices gained
rapid popularity due to their high security and the elimination of manual
switches; however, they imposed some limitations of their own. Such
devices typically offer a limited number of inputs, the transmitter and
receiver can become desynchronized, and creating relationships and
associations between groups of transmitters and receivers is difficult.
The Linx product line, which includes the MS and HS Series, is the first
product line to offer the best of all worlds. Both series accept up to eight
inputs, allowing a large number of buttons or contacts to be connected.
The devices also allow relationships among multiple encoders and
decoders to be easily created. Security is well provided for. The MS Series
uses a random fixed word with 224 possible combinations to give a high
level of uniqueness and a reasonable level of security. For applications
requiring the highest security, the HS Series, which employs tri-level,
maximum-security encryption, should be considered.
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