PLANAR TRANSCEIVERS TM ® Tunable MDU1020 Series Features Low cost Small and Flat Profile Rugged, Reliable Construction Low Power Consumption High Sensitivity Electronically tunable Meets FCC Part 15 Requirements Description The MDU (Motion Detector Unit) is an X-Band microwave transceiver that utilizes the Doppler shift phenomenon to "sense" motion. The unit, contained in a lightweight plastic housing, features an electronically tunable dielectric resonator stabilized FET oscillator, which provides stable operation over a broad temperature range in either CW or low duty cycle pulse mode and a balanced mixer for enhanced sensitivity and reliability. Applications Data transmission Range (distance) measurement Intrusion Alarms (Room, Vehicle) Automatic Door Openers Speed Measurement Collision Avoidance This document only gives a general description of the product and shall not form part of any contract. Microwave Solutions pursue a policy of continuous product improvement and reserve the right from time to time to amend the specifications of products. Copyright 2008 Rev: 2009-02-10 Microsemi Microwave Products 75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748 Page 1 PLANAR TRANSCEIVERS ® TM Tunable MDU1020 Series Operation The basic principle of operation consists of detecting the frequency shift between a transmitted and a received signal reflected back from a moving object within the field of view of the unit. This produces a low level output signal that can be amplified and processed. The tunable transceiver incorporates provision for electronically tuning the unit over a frequency range of approximately 5MHz. This enables frequency modulation to be applied to the transceiver or fsk ranging to be performed. The unit employs low cost surface mount manufacturing techniques that are field proven as being rugged and reliable. The following patents (and others) apply to this product: US Patents 6,064,276, 5,262,783, 5,208,567 Electrical Characteristics Transmitter Frequency Frequency Setting Accuracy Power Output (Min.) Operating Voltage Operating Current (CW) Harmonic Emissions Electronic Tuning Range : : : : : : : : see table 3MHz 13dBm EIRP +5V ±0.25V 60mA max. 45mA typ. < -10dBm > 4MHz Environmental Characteristics Power/Temp. Coefficient (over operating temp. range) : 3dB Frequency/Temp. Coefficient (over operating temp. range) : 6.5MHz Operating Temperature : -10ºC to +55ºC Storage Temperature : -30ºC to +70ºC Outline Drawing Pulse Mode Operation Average Current (5% DC) : 2mA typ. Pulse Width (Min.) : 5µSec Duty Cycle (Min.) : 1% Receiver Sensitivity (10dB S/N ratio) : -86dBm : 10µV Noise (Both in 3Hz to 80Hz bandwidth) Antenna Gain : 8dBi -3dB Beamwidth : Tab @bottom Orienation Vertical :36deg Horizontal :72deg Mechanical Characteristics Weight : 15grams Tab Connections : 0.1” spacing Notes: Detection range is dependent on size and reflectivity of target and S/N ration. Doppler shift at 10.525 GHz is 31Hz/m.p.h. Unit functions over -30ºC to +70ºC but harmonics may exceed specified levels. Model MDU1020 Copyright 2008 Rev: 2009-02-10 Application USA Order Code C900662 Frequency 10.525Ghz Comments Suitable for US FCC Part 15 “Outdoor” intermittent applications Microsemi Microwave Products 75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748 Page 2