Microchip WINCS02UC Bruksanvisning

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Side 1/10
Procedure
© 2024 Microchip Technology Inc. and its subsidiaries
DS50003753A - 1
Introducon
The WINCS02 Wi-Fi
®
module with external antenna requires an antenna-specic calibration step when the
external antenna’s Voltage Standing Wave Ratio (VSWR) is not ≤ 1.5 (meaning the return loss is > -14 dB) within
the operating bandwidth of 2400 MHz to 2484 MHz. This external antenna calibration procedure is crucial
for achieving the best results for external antennas with 1.5<VSWR<2. This document describes the necessary
requirements and the calibration procedure.
WINCS02 Module External Antenna Calibraon Guide
WINCS02
WINCS02
Procedure
© 2024 Microchip Technology Inc. and its subsidiaries
DS50003753A - 2
Table of Contents
Introduction...........................................................................................................................................................................1
1. External Antenna Calibration (Cal) Overview.............................................................................................................3
1.1. Requirements for External Antenna Cal......................................................................................................... 3
2. Programming the Wi-Fi
®
Module and Performing External Antenna Calibration................................................. 4
2.1. Programming the Wi-Fi
®
Module and Enabling HUT Mode.......................................................................... 4
2.2. Performing the External Antenna Cal..............................................................................................................4
2.3. Erasing External Antenna Cal........................................................................................................................... 5
3. Summary........................................................................................................................................................................ 6
4. Document Revision History..........................................................................................................................................7
Microchip Information......................................................................................................................................................... 8
The Microchip Website................................................................................................................................................. 8
Product Change Notication Service.......................................................................................................................... 8
Customer Support.........................................................................................................................................................8
Microchip Devices Code Protection Feature..............................................................................................................8
Legal Notice....................................................................................................................................................................8
Trademarks.................................................................................................................................................................... 9
Quality Management System.....................................................................................................................................10
Worldwide Sales and Service..................................................................................................................................... 11
WINCS02
External Antenna Calibraon (Cal) Overview
Procedure
© 2024 Microchip Technology Inc. and its subsidiaries
DS50003753A - 3
1. External Antenna Calibraon (Cal) Overview
External antenna Cal is an internal calibration performed without the use of external equipment,
such as the IQxel RF test equipment by LitePoint
. It aims to achieve controlled output power
and meet IEEE
®
specications when the planned external antenna’s VSWR exceeds 1.5 within the
operating bandwidth. External antennas with a VSWR > 2 are not recommended for use.
1.1 Requirements for External Antenna Cal
1. Operating Conditions: Temperature at 25°C and 3.3V supply to DUT
2. Antenna Connection: External antenna connected via U.FL connector to the WINCS02 Wi-Fi
®
module
3. Device Mode: Hardware Under Test (HUT) rmware enabled mode
4. Recommended Stage: Best case is the installation stage of the end product; the better case is
the nal assembly stage of the end product in an enclosure

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Merke: Microchip
Kategori: Ikke kategorisert
Modell: WINCS02UC

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