VTech R&D Design Support Capability Prepared by: Y.F. Poon Date: Dec 2012 1
Design Capabilities VTech can support the following design aspects: Electronic (both HW & SW designs) Mechanical design Schematic drawing and PCB layout Prototype making (SLA, quick turn PCBA) Testing and Trials Agency approval and granting 2
Strengths on Design Capabilities VTech is expertise in following design areas: RF & wireless products (433MHz, 860MHz, 900MHz, 1.8GHz, 2.4GHz, Bluetooth, IR, WiFi, ZigBee,, GPS, etc.) Telecom products (voice, audio, video, telephone communications) Analog and digital audio products (amplifier, equalizer and mixer, etc.) Printer, microwave oven front panel LED lighting products (light bulb, light tube, ceiling panel, etc.) Digital 8/16 /32 bits (MCU) applications Embedded system applications Digital Signal Processor (DSP) applications 3 Mechanical plastic, metal casing and parts design Packaging design (gift box, clamshell, export carton, etc.)
Engineering Design Resources Hardware Engineers 15 RF Engineers 6 Software / Firmware Engineers 6 PCB Engineers 4 Mechanical Engineers 9 Total Design Engineers 40 4
Engineering Equipments RF Signal Generators - RF signal generated up to 4GHz Spectrum Analyzers - Operation frequency up to 26GHz Network Analyzers - Operation frequency up to 4GHz 5 Audio Precision System 2 - for audio development
Engineering Equipments ESD simulator - For ESD immunity test, up to 30kV Harmonics Power Analyser Spectrophotocolorimeter 6 Goniophotometer
Engineering CAD Software PADS 9.0.2 Altium Designer 10 For Electrical schematic design and PCB layout design Creo 2.0 (Upgraded from Pro/E Wildfire) Solidworks 2010 Both for Mechanical 3D concepts and ID development AUTOCAD 2004 ZWCAD 2010 For Mechanical 2D tooling design Transmission Line calculator / Smith Chart For RF simulation software 7 FloEFD Pro 5.0 Thermo Analysis
Design Project Flow Product Spec/Concept From Customer Mass Production Pilot Run Proposal Engineering Samples Customer Approval Start Design Type Approval 8
Design Projects Done European 433MHz wireless pager chime product design 868MHz wireless door chime and push Bluetooth headset product design 9 Sweden senior care phone product design
Design Projects Done Professional wireless microphone system (530 to 865MHz) Redesign Wireless security control console and digital cordless handset 10 Kitchen audio system with Bluetooth audio steam & Audio wireless link
LED Products Design Capability Developed LED Light Bulbs 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 90W equivalent PAR38 75W equivalent PAR30 50W equivalent PAR30 Long Neck 50W equivalent 11 E11 with 12, 20, 33 deg beam angle MR16 Reflector lamp
Design Projects Done Mobile printer charger Analog mixing console 20, 12 and 8 channels Dosimeter for radiation measurement 12
Audio Workshop Introduction Purpose To strengthen the Professional Audio products evaluation procedure & provide the professional idea & recommendation to customer for the products future improvement. Testing room Design Standard & Certification A. Design Standard Item Design Standard 1 Background noise 28dB or below 2 Testing frequency range a. 200Hz-20KHz for Acoustic Room b. 125Hz-8KHz for Listening Room 3 Sound isolation 55dB in average 4 Standard Reference a. ISO3745-2003(Listening Room) b. ITU-R BS.11161-1(Acoustic Room) 13 B. Certified by South China National Center of Metrology on Jan 2009
A. Testing Rooms Testing Facility a. Acoustic Room : Major for Parametric testing b. Listening Room: Major for Parametric testing, Functional testing & Listening testing 14
Testing Facility B. Listening Room Equipment list C. Acoustic Room Equipment list Audio Precision AP2722 Audio Analyzer Yamaha P7000 Power Amp 750W@0.5%THD GRAS 44AA Artificial Mouth 15 Denon DN-D4500 CD/MP3 Player Mackie C300z Portable Passive Speaker 4022 Soundconnect Microphone amplifier Listen SCM2 Microphone
Services Provided by Audio Workshop A. Professional Audio Customer New Design Sample Evaluation Below is the new products list & appropriate testing can be applied and supported: 16 Functional test Listening Test Parametric Test a. Power Amplifiers Y Y Y b. Mixing Consoles Y Y Y c. Self Powered Speakers Y Y Y d. Microphones Y N Y B. Basic Simulation for Power Amplifier & Mixing Console Customer schematic file(pdf format) received, will be create the ORCAD project file & convert to ORCAD file. Below Basic Simulation can be performed: 1. Power Output Analysis 2. Power Consumption Analysis 3. Frequency Response Analysis 4. Monte Carlo Analysis
Thank you! 17