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K-LD7 Datasheet(PDF) 1 Page - RFbeam Microwave GmbH

Part No. K-LD7
Description  digital radar transceiver
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Maker  RFBEAM [RFbeam Microwave GmbH]
Homepage  https://www.rfbeam.ch/

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© RFbeam Microwave GmbH | Schuppisstrasse 7 | CH-9016 St. Gallen | www.rfbeam.ch | K-LD7 | product information
10/2018 – Revision A | Page 1/2
– Small and low cost digital 24 GHz radar motion detector
– Measures distance, speed and angle of moving objects
– Detection distance: 15 m for persons/30 m for cars
– Target list output over serial interface
– Integrated FFT signal processing with digital outputs
– Detection distance and hold time can be set
using analogue inputs
– Wide power supply range from 3.2 to 5.5 V
– 3 × 4 patch antenna with 80°/34° beam aperture
– Distance triggered movement detection applications
– Pedestrian counting
– Traffic counting
– Simple gesture recognition
– Indoor and outdoor lighting control applications
The K-LD7 is a fully digital and low cost Doppler radar that can
measure speed, distance and angle of objects in front of the
sensor. The digital structure and wide power supply range make it
very easy to use in any stand-alone or MCU based application.
The sensor includes a 3 × 4 patch radar front-end with an asym-
metrical beam and a powerful signal processing unit with two
digital outputs for signal detection information. Detection distance
and detection hold time are adjustable using analogue inputs with
potentiometers. The serial interface features the possibility to read
out a target list with speed, distance and angle information of all
moving objects in front of the sensor or to digitally configure the
sensors detection parameters.
There is no need to write own signal processing algorithms or
handle small and noisy signals. This module contains everything
that is necessary to build a simple but powerful motion detector
with distance and angle information. A very small footprint of
38 × 25 ×7mm gives maximum flexibility in the product develop-
ment process. For fast prototyping an evaluation kit (K-LD7-EVAL)
is available which features powerful signal visualization on a PC.
Block Diagram
product information
digital radar transceiver
Figure 1: block diagram
signal processing unit
voltage regulator
serial interface
hold time
24.05– 24.25 GHz
Available in Q2/2019

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