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K-LD2 Datasheet(PDF) 1 Page - RFbeam Microwave GmbH

Part No. K-LD2
Description  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-LD2 | data sheet
09/2018 - Revision B | Page 1/20
– Small and low cost digital 24 GHz radar motion detector
– Detection distance up to 15m (human) 30m (cars)
– High immunity against interferences
– Integrated FFT signal processing with digital outputs
– Sensitivity and hold time can be set using analogue inputs
– Advanced detection data read-out over serial interface
– Wide power supply range from 3.2 to 5.5V
– 2 × 4 patch antenna with 80°/ 34° beam aperture
– General movement detection applications
– Door opener
– Illumination of advertising boards
– Touch free switches
– Security systems
– Indoor and outdoor lighting control applications
– Object speed measurement systems
– Industrial sensors
The K-LD2 is a fully digital and low cost radar movement detector.
The digital structure makes it very easy to use in any stand-alone
or MCU based application where a movement detection or speed
measurement is required.
The sensor includes a 2 × 4 patch radar front-end with an asymme-
trical beam and a powerful signal processing unit with two digital
outputs for signal detection information. The sensitivity and the hold
time are adjustable using analogue inputs with potentiometers. The
serial interface features a powerful command set to read-out advan-
ced detection data or to fully customize the detection algorithm.
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, yet reliable movement detector.
A very small footprint of 25 × 25 × 6.5 mm gives maximum flexibility
in the product development process.
A powerful evaluation kit (K-LD2-EVAL) with signal visualization
on a PC is available.
Features
Applications
Description
data sheet
K-LD2
radar transceiver
Figure 1: K-LD2 block diagram
Tx
Rx
signal processing unit
voltage regulator
detect
miscellaneous
serial interface
sensitivity
hold time
24.125 GHz
K-LD2
Block Diagram




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