Additional cards
Customized instrumentation - Sensors associated with PCs
Article REF: R528 V1
Additional cards
Customized instrumentation - Sensors associated with PCs

Author : Lang TRAN TIEN

Publication date: January 10, 1994 | Lire en français

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3. Additional cards

Today's market offers PC-compatible boards for a multitude of functions.

3.1 Modem cards

They are designed to link computers remotely: when it is impossible to establish a customized cable link, the telephone network is used; to avoid altering the information, the signals are modulated at the start and demodulated at the end by a modulator-demodulator (modem).

Transmission speeds range from 300 to 1,200 baud. Some cards are designed to transmit both data and speech.

Example
  • Modem 300/1200 from Tecmar.

    Speed: 300 to 1,200 baud.

    Transmission: data and speech.

  • ...
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