VTechR&D Design Support Capability - vtechcms.com · microphone system KTV wireless ... • ITU-R...

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Prepared by: YF PoonDate: Nov 2016

VTech R&D Design Support Capability

VTech Communication Ltd [CMS]

VTech CMS R&D Confidential & Proprietary Information & cannot be disclosed to third party without VTech's consent

Award Winning Design Team

Design CapabilitiesDesign Capabilities

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• Electronic (both HW & SW Design)

• Schematic and PCB Layout Design

• Mechanical Design

• Prototypes (SLA, quick turn PCBA)

• Testing and Trials

• Agency Approval Preparation, Filing

R&D Design Services



Engineering & Design Expertise AreaEngineering & Design Expertise Area

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• RF & wireless products (433MHz, 860MHz, 900MHz, 1.8GHz, 2.4GHz, Bluetooth, IR, WiFi, ZigBee, GPS, etc.)

• Telecom products (voice, audio, video, telephone communications)

RF & Telecom Products

• LED lighting products (residential lighting, commercial and decorative lighting), Fixture

• Dimmable, Non-Dimmable, Color Changing LED Lighting

LED Lighting Products

• Analog and Digital Audio Products - Audio power amplifier (Class AB, Class D, etc.)- Audio mixer- Audio interface - Professional microphone

Professional Audio & MI Products



Engineering & Design Expertise AreaEngineering & Design Expertise Area

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• Mechanical plastic, metal casing and parts design

• Packaging design (gift box, clamshell, export carton, etc.)

Mechanical and Packaging Design

Firmware Control and Software Application

• Control , monitor and scanning applications- Printer, microwave oven front panel (keyboard & LCD)- Timer control

• Digital 8/16 /32 bits (MCU) applications

• Embedded system applications (Linux, Android)

• Digital Signal Processor (DSP) applications, e.g. audio effects



Engineering Design Manpower ResourcesEngineering Design Manpower Resources

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YF PoonDirector of R&D

Hardware Engineers 12

Audio Engineers 11

RF Engineers 6

Software / Firmware Engineers 6

Mechanical Engineers 11

Compliance, ATE, DQA Engineers 4

Total Design Engineers 50

MechanicalRF&

Wireless

LED AudioControl

& Others

SoftwareCompliance

ATE

Design QA



Engineering EquipmentEngineering Equipment

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• RF Signal Generators

- RF signal generated up to 4GHz

• Spectrum Analyzers

- Operation frequency up to 26GHz

• Network Analyzers

- Operation frequency up to 4GHz

• Bluetooth Tester

- Support measurement for BT2.1+EDR, 4.0

Some examples of what we own




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We also own

• WiFi Tester

- Support measurement for WLAN 802.11b/g

• Audio Precision System 2

- For audio development

• Prism Sound dScope Series III

- For analog and digital audio development

• ESD Simulator

- For ESD immunity test, up to 30kV




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We also own

• Harmonic Power Analyzer

- For power parameters measurement

• Spectrophotocolorimeter

- For LED lighting parameters measurement

• Goniophotometer

- For LED lighting parameters measurement

• 3D Printer

- For quick term simple sample making



Engineering CAD SoftwareEngineering CAD Software

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• PADS VX2.0 (including xDX Designer 040)

• Altium Designer 10

• CADSTAR Version 15- for schematic design and PCB layout design

Electrical CAD Software

Mechanical CAD Software

Simulation Software

• RFSim 99 : for RF simulation

• FloEFD Pro 5.0 : for Thermo simulation

• OrCAD : for Audio simulation

• Creo 2.0 (Upgraded from Pro/E Wildfire)

• Solidworks 2016 Professional: - both for Mechanical 3D design and ID development

• AUTOCAD 2004

• ZWCAD 2010- for Mechanical 2D design



Design Project FlowDesign Project Flow

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Product Spec/ConceptFrom Customer

Proposal Customer Approval

Start DesignPilot RunIterations of

Engineering Samples Stages

Type Approval

Mass Production



Design Projects Completed (Wireless) Design Projects Completed (Wireless)

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European 433MHz wireless pager chime

BT speaker for showerhead

Wireless Products

Sweden senior care phone

868MHz wireless door chime and push

Bluetooth headset

Kitchen audio system with BT audio stream & audio wireless linkTower speaker system

with IR microphone



Design Projects Completed (Pro-Audio) Design Projects Completed (Pro-Audio)

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Pro-Audio Products

Class-D audio power amplifier

Portable speaker processor

Multi-Channel audio interface, e.g. 2 in / 4 out, 18 in / 20 out

8-20 channels mixing consoles

Professional wireless microphone system KTV wireless

microphone system



Design Projects Completed (LED) Design Projects Completed (LED)

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LED Products

E26/A19 60W equivalent dimmable or non-

dimmable

E26 Dimmer-colour Control

E26 60W, 50W, 40W equivalent dimmable or

non-dimmable

E26 Wide beam angle

PAR38 115W equivalent PAR38 95W equivalent PAR30 75W equivalentPAR30 Long neck

75W equivalent

E11 with 10, 20, 33 deg beam angle

Educational LED array Under cabinet lightSolar panel LED charger



Design Projects Completed (Mics.) Design Projects Completed (Mics.)

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Other Products

Boiler and timer control Mobile printer charger

Personal dosimeter Series of front panel control for

industrial printers

MCU control board for microwave oven

Touch lock for safe



Professional Audio WorkshopProfessional Audio Workshop

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Accreditation• Accredited by South China National Centre of Metrology

Features• Test Frequency 200Hz-20KHz• Background noise 18dB or below• Sound isolation 55dB in average • Parametric testing• ISO3745-2003 standard

Accreditation• South China National Centre of Metrology

Features• Test Frequency 125Hz-8KHz• Background noise 23.8dB or below• Sound isolation 55dB in average • Parametric, Functional & Listening testing• ITU-R BS.11161-1 standard

• To strengthen the Professional Audio products evaluation procedure and provide professional ideas/ recommendations to customers for future product improvements.

Listening Room

Acoustic Room



Design Validation & Simulation ServicesDesign Validation & Simulation Services

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Amplifiers

Microphones

Mixers

Speakers

Functional Test Listening Test Parametric Test

Power Output

Power Consumption

Frequency Response

Monte Carlo

n.a.

Design Validation Testing

Amplifier & Mixer Circuit Simulation Analysis


Award Winning Design Team17

VTechR&D Design Support Capability - vtechcms.com · microphone system KTV wireless ... • ITU-R...

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