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Engineering Services

We provide a wide range of electronic design services. We specialize in analog, digital, audio, video, RF and mixed signal circuits. We can start a design from concept or at any later stage of the development process. We also can update, modify or adapt your existing design, research instruments or technological equipment.

Our part in your project may include:
Concept development
Electronic circuit design
Electronic circuit simulation
Prototyping
PCB design
Manufacturing documentation preparation

Here are some examples of projects that we have done:

1. MR Read Head Signal Analyzer.

Includes programmable attenuator, wide band amplifier, Butterworth filters, Bessel filter, peak detector, peak position detector, threshold pulse width analyser.

Frequency range 1MHz - 1GHz.
Frequency response flattness +/-0.5dB

2. Spindle Motor 3-phase Linear Driver

Designed to work in EM noise-free environment (no PWM drivers allowed) as a part of sensitive wide band test equipment.

Motor speed: 5400 - 15000 RPM
Frequency 360 - 1000 Hz
Output pure sine current up to 6 A per phase
Output voltage 22 V

3. HDD Read head test preamplifiers/Write head drivers

Designed to work as a part of test equipment for particular production projects as well as for research application.
Interfaces newly designed magnetic read and write heads with standard test instruments.

Read channel Frequency range 1 MHz - 400 MHz
Noise figure (Typ.) 2.7 dB
Write data rate: up to 1 Gbit/sec

4. Programmable attenuators.

Frequency range: 1MHz-1GHz
Accuracy: +/-0.5 dB
Attenuation step: Octave (6.02dB) Attenuation: 0-42dB
Control: TTL

5. Programmable filters.

Filters: Low pass - Butterworth, Bessel
Cutoff frequency range: Octave (150-300MHz or 300-600MHz)
Control: Serial - SPI







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