The independent configuration of the time code and its offset to UTC of the receiver and the generator allows the use of TCR167PCI for time code conversion applications. An optical output for unmodulated codes is available on request. These signals are provided as modulated (3 Vpp/1 Vpp into 50 ohm) and unmodulated (TTL into 50 ohm and RS-422) time codes. Generator: the board TCR167PCI can generate time codes in IRIG-B or AFNOR format. A buffered real time clock keeps time and date after power down. The decoded date and time can be read via the PCI/PCI-X bus interface and is also transmitted via the board's RS-232 port. The board can be delivered with an optical input for unmodulated codes optionally. In addition, the TCR167PCI provides an optocoupler input for decoding unmodulated codes with TTL- or RS-422 level for example. The receiver's automatic gain control (AGC) allows the reception of modulated IRIG signals within an amplitude range from 600 mVpp to 8 Vpp. Receiver: the module provides two input channels for decoding of modulated and unmodulated time codes in IRIG-A/B or AFNOR format. It is used in applications like data acquisition, standalone computer time Synchronisation (for systems without a network connection or higher accuracy requirements) or as an IRIG converter device. The board TCR167PCI has been designed to receive and to generate IRIG and AFNOR time codes.
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