References

Master the most significant CAD systems today, simulationtools as LTSPice, different documentation system. Master different develop tools as STK500/600, MPLABPM3

2Wireless has the capacity to master both HW abd SW, the  most significant CAD systems today, simulationtools as LTSPice, different documentation system. For SW different developmentenvironment as Atmelstudio6, STK500/600, MPLABPM3 with asm, C, C++, JTAGsyst for SharpuC, GUI with VB  e.z.f. The company develop own products and does assignemts. Below gives example on assignemts that the company has been doing. There are pictures on own products when needed. with respect to secrecy and rules with an assinment pictures are not allowed.

POWER SUPPLY FOR ERICSSON:s TESTENVIRONMENT IN SWEDEN.

Function: Support of 5V 1.5 Amp to 16/32 output master/slav.
Interface: Communication with RS422/232. Lantronix for internetcommunication and commandon for master instrument/s at distance.
Special: currentsensors, clockinterface 10GHz, delay UPS, Sep 12V/5V 1.5A in/out * 16 for power distr.
Cu: Amega16 with BOOTloader
CAD: BP cadence Allegro schema o kadd.

SITE CONTROLLOER FOR ERICSSON:s ESTABLISHMENT.

Function: controll of current, heat, camerasurveillance, personalpassage, m.m
Interface: USB2.0, 3.0, RJ45, RS 422,232,
Special: currentsensorer, eginesteering of cameras, controll of securekodes
CAD for testdevelopment: CADint
SW: C , hyperlinks, Putty, filzilla

GPS SPLITTER FOR ERICSSON:s FACILITIES

Function: supporting of a reference clock and data for GPS system (1.558GHz satellite signal) with RD422/232 to DUL:s, instruments. SW in C, GUI in C#. Interface from ST. Data controlled by Ethernet LAN with Lantronix.
uC Atmega 16, jtag, BOOT
CAD: BP cadence Allegro schema and kadd.

CAMERA PCB

Function: controlling of a camera. Both wirebounded and Wireless.
The function contain of a PCB (6lager) PS and EMC, LVDS, USB, DVI, HDMI, Eth phy, DDR2, different memories, RF-Transiever on 2.4 GHz with JTAG for prog, PS with DCDC buck/boost. uC is a Cyclone V484p FPGA. Radiopart is an nRF24LE1 for 2.4GHz with PCB-antenna.
Schematic: OrCad 16.3.

RECONSTRUCTION OF AN DCDC buck 24/5V9Amp

To a computer PCB with controller (HD and MEM), sensorer, relän and external units.
Schematic: OrCad 16.3.

DESIGN OF ELECTRONICS TO AN MODEL MEDICAL DATASCREEN

Prestudie of an interface between medical screens and external instruments.
After the prestudie:
Design of an interface between medical screens and external instruments. The Interface contains  RS232, 485/422 and USB.
SIM: LTspice
CAD: PADS

DESIGN OF AN UPS TO A VEHICLE

Design of a UPS on 30ms with delayed start on 1ms and currentregualtion. The designen is made for very hars surroundings.
SIM: LTspice
CAD: PADS

DESIGN OF PS AND RF-CONNECTIONS TO A PA.

Design of ps and RF-connections to a PA-chip. PS is a 5, 4.6, -5, -0.47V with microcapacitors,
microstripleader for 50ohm-impedance matching.
Carrieris is kovar with aluminasubstrat 0.1mm, lim silverepoxy 
Frequency 27-42GHz. 
LO: 40MHz
Mek: Solid with RF-holetrought and PS.  

DESIGN OF TESTPCB TO TX/RX AND PA chip.

Design of test-PCB to TX, RX and PA for caracterisation, test and kvalification.
Foundation 0.1mm
Waveleader: WR12 ( E-band, 60-90GHz ) and WR15 ( V-band 50-75GHz) 
Matching: 50ohm m balun onspot for LO.
Intern LPS: 5V to 3.3 and 2.6V. 
External PS: 0.85,  0.9, 1V.

DESIGN OF VERIFICATIONPCB TO AN PROGRAMMABLE VCO .
Design of a  verification-PCB to a programmable VCO on chipplevel. The design is done for both internal and external programming.
Foundation: Rogers 0.1mm
Frequency area: VCO A: 5900 6350MHz 
Frequency area: VCO B: 6725 7190MHz
Matching:: 50ohm m balun onspot fo LO.
Internal S: 5V till 5V/2nV/Hz and 3.3V. 
uC: atm 8
STK:500 STUD 4.2  ISP

 DESIGN OF ELECTRONICS TO GNSS, WIFI / BT and GSM.
Design of electronics to chipp for GNSS, WiFi / BT and GSM with antennaanalysis, interface to MCU, Matchning from modul/chip to extern antenna and PCB-antenna. 
GNSS: Glonass, Galileo and Beidou, Antenna-analysis, Extern Antenna, 5V, 3,3V,1.8V. 1.574GHz, 1.588GHz
WiFi och BT: interface, antenna PB på PCB och ext antenna, 2,45GHz.
GSM: Interface, eSIM-SIMchip,
Sim: LTSPice
Sch:Dx
KAD:PADS

REDESIGN OF A PCB FOR  RADAR
Redesign and design of a PCB for radarcommunication / management of radarsignal/s / Radardisturbans. uCbased SHARC. JTAG com. 
Noisedesign, enhancement of lofgicsl functions.
KAD: Kicad 8 layer
Design of DCDC module 28 / 270VDC,3.6AMP
Redesign and design od a PCB to a Display/Switch.
KAD: Kicad 2 layer
SIM:LTSpice
Design of a interfacekort to LCD.
KAD: Kicad 2 layer
SIM:LTSpice
Design of a logik-PCB for detection of different  controll signals ,ps, och remotekontrollerad signal
KAD: Kicad 2 layer
SIM:LTSpice

DESIGN OF ELECTRONICS TO TRANSPORTATIONINDUSTRI
Design and Redesign of electronics to uC-based controllunit for master of Speed, distance, measure time, e.z.f. FPGA:er with units sutch as SPI, I2C, ADC, JTAG, CLK-units, Diff, 50ohms-system. The systemet has redundant units.  
CAD: Orcad17.2
DOK: Different doc-systems,
SIM: PSpice.

DESIGN OF ELECTRONICS TO TRANSPORTATIONINDUSTRI

Design and Redesign of electronics to uC and WIFI-based controllunit for master of programming remotely units. The design contains osc. driver, power amplifier, I2C e.z.f.
CAD: Orcad17.2
DOK: Different doc-systems,
SIM: PSpice.

SPEEDSTER, DESIGN OF A HSPD 4G MODULE

Function: datasupport of satellit communication. uplink 1710, dlink 2100, USBhub for USB Qualcom
Interface: GPS, USB 2.0, 3.0 for 0.5 resp 1.2A
CAD: BP cadence Allegro schema o kadd.

REKONSTRUKTION AV ETT MAINBOARD

LTB till ett uC-board, med high side funktion, EMC, UPS samt Power watch för fordon.
Schematic: CADSTAR.
Sim: LTSPICE

CONSTRUCTION OF A VEHICLE-EFILTER

Filter 30Khz – 300MHz for avoid interference on generator, radioequipment and different forms of help-engines. Dubble PCB, very powerful currentpulses.
Schematic: CADSTAR.
Sim: LTSPICE

CONSTRUCTION OF A PWG

Power Watch Guard 28-32V with delay on 0,3sek.
Schematic: CADSTAR.
Sim: LTSPICE

CONSTRUCTION OF A PS

Schema and PCB for a Power supply.
5V 50mA – 30Amp, +-24 100mA- 10Amp, flyback, current sensor, 3v on/off for 5 and 24V.
EMC, test ful power, heat/coolnes made
CAD for development: CADint

CONSTRUCTION OF TEST-EQUIPMENT

Design of testequipment to a micro engine for meassuring of axelturnaround power.
Analog/digital readable for recording of optical signal to Arduino uC. Optointerrupter with SW.
CAD for development: CADint
Sim:LTSPICE

DESIGN OF INSTRUMENT TO DENTALHYGIENIST (MEDICAL ELECTRONIC)

Construction of a instrument for the dentalhygienist. Analog och digital elektronik. uC Atmega 16. DCDC for 1500V metallvibrations for remov. of tartar F.E.
CAD:PADS
SIM: LTSPICE

REDESIGN OF THE ELECTRONICS TO A 15VOLTS MOTOR

Construction of digital and analog electronic for controlling a 15Volts motor with ETH communication. Trackless with volts and currentsensing. HS and Isol, uC MX27
CAD:PADS
SIM: LTSPICE

DESIGN OF WIRELESS FIRETESTED DOORLOCK

The company develops a universal electronic doorlock with wireless opening and cloosing. Power and datatransmission happens wireless. uC-based which gives information about status of lock, readable registration of opening and closing. All HW and SW developing takes place in the company. The loock can be used in industi as well as private.
CAD: CADint
SIM: LTspice
SW: AWRS4 o 6
RFID: Different freq. (IMS)

VERIFICATION AND REDESIGN OF A uC- PCB AND PS

Test/verification/updating and redesign of a uC-schema to a PCB and updating of a schema to the hole construction consist of 5-6 PCB:s. ETH, I2C, eepromcode. Updating of PS. ETH-signalverification. Different kinds of regulations for operatio at 5V/15V to engine HS and I sol, uC MX27. schema and cad of configureboard.
CAD:CADint
SIM: LTSPICE

DESIGN OF AN VERIFICATON_PCB TO A SSB-MIXER

Design of an verification-pcb to an SSB-mixer 27-43GHz. Ext PS 5V and regulation to 3.3V for the chipp. Matching 50ohms wire to RF in/out. OPCBB on PCB, simple bondning, chokematching, LO 40MHZ and backtension.

PCB for chip: Aluminasubstrat
PCB: Rogers4350
Bearer: KOVAR
CAD: CAdint
SIM: LTSPICE 

DESIGN OF AN FPGA-CONTROLLER-PCB

Partdesign of an FPGA partmounted controller-pcb. 6-layers pcb with PS, pwm, controller-signals.
PCB:  FR4, 6 layers
CAD: Cadence 16.6
 SIM: LTSPICE

DESIGN OF AN CALIBRATION-PCB

Design of an calibration-PCB for FPGA controller-PCB. Controlling of referenses, Digital encoder 2 channels, FTS.
PCB: FR4
CAD: Cadence 16.6

REDESIGN OF A TRIACONTROLLING FOR MOTORS

Redesign and design of a triaccontrolling 100%, 80%, 75 and 50%. uC based with optocouppler.
CAD: Cadence 16.6 SCH o KADD
SIM:LTSpice

DESIGN OF ELECTRONIC TO A LEDCONTROLLER

Design of electronics to a uC-based Ledcontroller for controlling leds for 8Amp and 24Amp DC.  Constant and with  strob controlled. Remotable programmable by Internet.  
KAD:CADint
SW:ASM / c-prog till micochip.
SIM: LTspice

DESIGN OF ELECTRONIC TO THE DEFENSINDUSTRY
With regards to secracy the description will be short: Design of a PCB with electronics to avoid hostile subject in the air.  
Analog och digital elektronik
SIM: LTspice
CAD:CadInt