Boris Spokoinyi


We have extensive expertise designing complex RF/Analog systems & components from DC up to mm-wave frequencies for Bluetooth, Wi-Fi, DVB-T/H, GSM, LTE, GPS, and custom proprietary standards.

Call us, toll-free, at 1·888·506·9628, or fill out the online form


 RF/Microwave Design
 Digital Design
 Layout Services
 Embedded software



We have extensive expertise in designing complex RF systems and components from low frequencies up to and including mm-wave bands for Bluetooth, Wi-Fi, ZigBee, DVB-T/H, GSM, GPS, and custom proprietary standards.


 RF/Microwave Design

  • Passive Components: Antennas, Filters, Matching Networks, Splitters/Combiners
  • Active Components: PAs, LNAs, Mixers
  • RF systems: Frequency Synthesizers, Up/Down converters

 Digital Design

  • Digital Signal Processing (DSP)
  • Processor interfaces and high speed buses: DDR, 10G Ethernet, JESD204B
  • Experience in Xilinx, Altera, Lattice Semi FPGAs/CPLDs

 Layout Services

  • High frequency (up to 60GHz)
  • High density layout (BGA breakout, up to 32 layers)
  • EMC compliance (2D/3D EM simulation)

 Modeling & Simulation

  • 2D/3D Electromagnetic simulation (PCB elements, antennas, waveguides).
  • Circuit simulation (RF, analog, digital).
  • System simulation (comunication systems, control, hardware, firmware, DSP).
  • Thermal and Mechanical simulation.

 Embedded Software

  • C/C++ coding for Microcontrollers and CPUs.
  • Firmware/Hardware co-development.
  • Digital Signal Processing (DSP) and Control Systems.

We have experience in the following areas:

  • PLB/OPB bus interfaces for Xilinx FPGAs
  • Custom design of memory controllers, DMA optimization
  • DSP design: all blocks required for Software Defined Radios (FIR/IIR, DDS/NCO, FFT, ECC, etc.)
  • Non-linear amplifier pre-distortion

We have experience with the following FPGAs:

  • Xilinx: Virtex2,4,5,6, Spartan 3,6
  • Altera: Stratix 3,4
  • Lattice Semi: MachXO, LatticeXP

We have extensive expertise in designing complex RF systems and components from low frequencies up to and including mm-wave bands for Bluetooth (including BLE/Smart), Wi-Fi, ZigBee, DVB-T/H, GSM, GPS, and custom proprietary standards.


Receivers, Transmitters, Transceivers

  • Custom direct conversion (zero-IF) and super-heterodyne with high speed ADC/DACs
  • 2.4 GHz Bluetooth, 2.4GHz/5.8GHz 802.11 based products
  • RF energy harvesting (RFID, battery-less sensors, wireless charging)
  • Emissions (EMI) optimization, spurious planning and avoidance (EM simulation, on-board algorithms)
  • Sideband and LO feed-through compensation
  • TX/RX feedback minimization


  • Antennas and phased arrays
  • Filters (Distributed, Lumped, Ceramic-based), Diplexers
  • Couplers
  • Matching networks (for: PA, LNA, Antenna, Mixers)
  • Combiners/splitters 


Frequency Synthesizers and Generators (up to 60GHz)

  • Sub-Hz step-size (DDS-based and Fractional PLL)
  • Ultra-low phase noise  (< 1 degree RMS jitter)
  • Fast frequency switching (using DDS, high speed DACs, switched VCOs)
  • Ultra-wideband (50MHz - 14GHz with integrated dividers, DDS based)
  • Microphonics compensation (using active feedback, passive)



PCB and Hybrid Layout

  • We have experince with following technologies:
    • FR4, Duroid (Rogers)
    • MHMIC (Miniature Hybrid Microwave Integrated Circuit)
    • Flexible substrates
  • Types of Layout designs:
    • High Speed differential lines for multi-Gbps links, including  DRAM, Serial IO
    • High density routing (eg. BGA breakout).
    • Very high frequency layout (up to 60 GHz).
    • High power (with thermal analysis).
    • Antenna, wave-guide, coax-cable interfaces (up to 60 GHz).


EMI, SI and EMC simulation of PCB layout

  • 2.5D and 3D EM simulation
    • S-parameter extraction from layout and components models
    • TDR (Time Domain Reflectometry) simulations to find sources of SI issues
    • Simulation of radiated emissions from PCB traces and devices.
  • EMI canister design:
    • Full EM and Modal analysis
    • Absorbing material optimization
    • EMI Gasket optimization