Skills: Electronics and RF

• Digital signal processing (DSP)
• Computer hardware
• Car electronics
• Home electronic
• HF/UHF/VHF equipment
• Antennas
• Measurement equipment
• Satellite equipment
• Wireless equipment
• Power supply equipment

Digital signal processing (DSP)

Microchip dsPIC digital signal controllers family

Analog Devices ADSP-BF533 ("BlackFin") digital signal processors with embedded Linux

Computer hardware

Hardware repair: FDDs, CD-drives, power supply blocks, UPS

Simple i8080- and Z80-based computers (assemblage and tuning)

Car electronics

Electronic ignition systems/ECUs (cars/motorcycles): design, testing, repair

Electonic fuel injections systems: testing, repair, remapping

Clocks (speedometers, tachometers): testing, repair

Security equipment/antitheft devices/immobilizers

Home electronics

TVs, audio, security/fire alarms, CCTV cameras, phones.

HF/UHF/VHF equipment

HF trancievers: Hand-made (HAM radio), Yaesu, Icom, Kenwood

UHF/VHF trancievers: Hand-made, Icom, Yaesu, Kenwood, Motorola (base/car/handhelds)

CB radios: Yosan, President, Midland, Cobra, Start

Power amplifiers: transistors- (up to 100 watts) and vacuum tubes (up to 5 Kw) based PAs

Various scanning receivers

Antennas

HF: Yagi, log-periodic antennas, verticals (1/8, 1/4, 1/2, 5/8), wideband dipols and verticals, quads, magnetic antennas, sloppers, arrays, multibanders.

UHF/VHF: log-periodic antennas, yagi, quads, phased verticals, collinear antennas, mobile antennas.

Matching equipment: antenna tuners, baluns, TVI filters

Antenna measurements: SWR, polar pattern, gain.

Antenna rotation equipment

Linear wideband antenna amplifiers

Antennas design software

Measurement equipmentt

Oscilloscopes (low-frequency and HF 50Ohm)

Frequency response analyzers

Spectrum analyzers

HF/VHF/UHF oscillators

SWR and HF power meters

Electronic cymometers

Satellite equipmentt

DVB and other receivers (Harmonic BR501, SkyStream EMR5000, StarGuide II, ComStream)

Satellite dishes (solid and mesh, offset and ordinary) and alignement systems (manual)

LNB heads

Ka- and Ku-band transceivers

Mobile satellite telephones (Trane&Trane, Iridium)

Wireless equipmentt

Breezelink E1 radiomodems

Cisco Aironet

Lucent Orinoco

2.4 Ghz antennas and amplifiers

Siemens C10, C25, S25 GSM mobile phones

Siemens Combiset 1009/1018 GSM terminals

Optical wireless equipment (Ethernet and E1)

Low speed (300-1200bps) radiomodems and TNCs for HF/UHF/VHF transievers

Power supply equipment

APC UPS (400VA - 2200VA)

FerroUPS

Invertors

Generators

AVS