Скачать презентацию Your strategic 2 4 GHz antenna partner Скачать презентацию Your strategic 2 4 GHz antenna partner

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Your strategic 2. 4 GHz antenna partner ! Your strategic 2. 4 GHz antenna partner !

Time Table Time Table

This one day course contains This one day course contains

Antenna Definition Antenna Definition

Electromagnetic radiation Electromagnetic radiation

Influencing antenna size Influencing antenna size

Frequency bands for Mobile phones Frequency bands for Mobile phones

Frequency bands for data communication Frequency bands for data communication

Antenna parameters Antenna parameters

Radiation pattern Radiation pattern

Radiation intensity Radiation intensity

Directivity Directivity

Gain Gain

Gain/Directivity Gain/Directivity

Gain: good/bad Gain: good/bad

Decibel Decibel

Antenna efficiency (total) Antenna efficiency (total)

Polarization Polarization

Microstrip Microstrip

Your strategic partner ! Complete antenna solutions Your strategic partner ! Complete antenna solutions

Your Benefit Your Benefit

2. 4 GHz antenna concepts for a wide range of applications 2. 4 GHz antenna concepts for a wide range of applications

Implementation issues Implementation issues

Antenna implementation: Standard concept Antenna implementation: Standard concept

Antenna implementation: Standard concept Antenna implementation: Standard concept

Antenna implementation: New concept Antenna implementation: New concept

Antenna implementation: New concept Antenna implementation: New concept

Ceramic Antennas Ceramic Antennas

Mechanical design Mechanical design

Electrical design Electrical design

Strips Strips

Different type of strip lines Microstrip Stripline Co-planar waveguide Grounded coplanar waveguide Different type of strip lines Microstrip Stripline Co-planar waveguide Grounded coplanar waveguide

Antenna impact on the PCB Antenna impact on the PCB

Receiver characteristics Specification requires -70 d. Bm Some radio chips down to -90 d. Receiver characteristics Specification requires -70 d. Bm Some radio chips down to -90 d. Bm The 10 meter range is not included in Bluetooth specification.

Network Analyser Network Analyser

VSWR (Voltage Standing Wave Ratio) VSWR (Voltage Standing Wave Ratio)

VSWR Power sent to the antenna should be accepted and not reflected. VSWR Power sent to the antenna should be accepted and not reflected.

Return Loss Return Loss

Smith Chart is used for matchinng and adjusting antennas Smith Chart is used for matchinng and adjusting antennas

Transmission measurement Transmission measurement

3 D radiation pattern 3 D radiation pattern

Field regions of antenna Field regions of antenna

3 D radiation pattern measurement 3 D radiation pattern measurement

Radiation Pattern from Bluetooth swivel under development measured in Moteco´s anechoic chamber. A 3 Radiation Pattern from Bluetooth swivel under development measured in Moteco´s anechoic chamber. A 3 D scan reveals things a 2 D scan never could.

SAR - (Specific Absorption Rate) SAR - (Specific Absorption Rate)

SAR SAR

Summary Antenna Development Summary Antenna Development

What ? What ?