Vieira High Frequency Consulting

Vieira High Frequency ConsultingVieira High Frequency ConsultingVieira High Frequency Consulting

Excellence in Electronics

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Vieira High Frequency Consulting

Vieira High Frequency ConsultingVieira High Frequency ConsultingVieira High Frequency Consulting

Excellence in Electronics

  • Home
  • Wireless
  • PCB
  • Semiconductors
  • 2020 EmComm
  • Gallery

Printed Circuit Boards

Circuit Design

  • Design & Development  
  • Component Selection
  • Schematic Entry:  OrCAD Capture, KiCAD, Eagle PCB, DxDesigner, etc.
  • Prototype & Validate  
  • Production support

System Design

  • Low Noise Linear supply regulators.
  • High efficiency switching regulators - stability.
  • Phase Locked Loops - Stability Analysis, Phase Noise.
  • FPGA:  Xilinx Zync CZU# / Ultrascale SoC interfaces
  • SERDES / high speed wireline / JESD204B links
  • Microcontrollers - uC interfaces:  I2C, Microwire, etc.

Sensors

  • Temperature Sensors
  • Light Sensors, other Environmental Sensors
  • Precision, Low-Noise; near DC designs
  • Data Acquisition
  • Precision Voltage References
  • Sensors - with various Impedance sources
  • Low Noise Amplification -  Instrumentation

IoT - Internet of Things

  • BlueTooth / BTLE
  • Wi-Fi
  • RFID / NFC
  • LoRa / LoraWAN / LPWAN / LPN
  • Proprietary and custom radios
  • Antenna selection and matching
  • RF measurements & characterization

Filters

  • Low Pass / Band Pass / High Pass
  • Active or Passive structures
  • Anti-Aliasing for Data Converters
  • RF Pre-Selection Filters
  • Matched Impedance

Layout

  • Supervise skilled layout drafters
  • Critical net routing.  Matching
  • High Frequency and RF traces
  • Controlled Impedance
  • Signal Integrity, Power Integrity
  • Matched delays (ex: pSec/inch)
  • Low Noise, Low inductance Supplies

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Excellence in Electronics

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