A HIGHLY INTEGRATED TELEMETRY SYSTEM FOR THE EXCALIBUR PROJECTILE
Raytheon Missile Systems
U.S. Army Research Development Engineering Center
Voltage Controlled Oscillator
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AbstractA miniature 1 Watt Tactical Telemetry Module (TTM) has been developed for the Excalibur projectile program. The TTM incorporates a multi-channel PCM encoder, lower S-band transmitter, and power regulation onto a single printed wiring board (PWB). The PCM encoder is designed for eight (8) analog inputs, four (4) discrete inputs, and one (1) synchronous RS-422 serial interface, with a total data rate of 1 Mbps. The module incorporates a digitally programmable, phase-locked FM S-band transmitter. The transmitter utilizes M/A-COM’s new dual port VCO and a high efficiency 2 W power amplifier MMIC. Additionally, switching power regulation circuits were implemented within the module to provide maximum operating efficiency. This paper reviews the environmental requirements of Excalibur, the design of the Excalibur TTM, and presents electrical and air-gun test data.
SponsorsInternational Foundation for Telemetering