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Flexible UHF data transmission system with broad tuning range

: Lenhard, T.; Heuberger, A.; Perthold, R.; Wallrapp, L.; Heckl, M.

	Second Annual WIRELESS Symposium and Exhibition 1994. Proceedings Hasbrouck Heights, NJ: Penton Publ., 1994 pp.359-367
	Annual WIRELESS Symposium and Exhibition <2, 1994, Santa Clara/Calif.>

	English
	Conference Paper
	Fraunhofer IIS A ( IIS) ()
	data transmission; Datenübertragung; DC-coupled FM; drahtlos; Empfänger; PII; receiver; synthesizer; tuning filter; wireless

Abstract
For the use in wireless applications a new versatile data transmission system (receiver / transmitter) has been developed. Typical applications are telecontrol / telecommand links or wireless modems. Using a PLL synthesizer the system offers a large tuning range from 407 to 480 MHz. All important functions are controlled by a built-in microcontroller and can easily be set on site by an interactive programming unit. The settings are stored in a nonvolatile memory and can be addressed by external hardware. The performance of the system is conformal to the European CEPT standard The paper presents an overview of the architectural concept and principles of operation and describes the complete functionality of the system. Results of measurements are also shown.

: http://publica.fraunhofer.de/documents/PX-14744.html