Spark & Roberts has a wealth of experience in the design and optimization of wireless products.
In regards to the product level activities, the following services can be offered (please feel free to contact Spark & Roberts about your requirements!):
- wireless performance optimization:
- antenna selection, placement, tuning, optimization
- PCB RF tuning
- system architecture level, baseband parameters (e.g. Matlab, measurements)
- (printed) antenna design and optimization (some samples here)
- (discrete) RF design, e.g. Bluetooth RF PA optimized for linearity and power consumption
- RF module PCB (multi-layer, BGA, multi-chip-module, flip-chip, micro-assemblies...) design and development (samples HERE)
- FR4, BT
- Ceramic (Al2O3, AlN)
- Prototype services (PCB manufacturing, PCB assembly, test)
- RF design using PUFF, FDTD 3D structure simulator
- radiated emissions testing, regulatory pre-scans (>1GHz), EMC, FCC/ETSI
- identification of emission source location and optimization (e.g. minimizing radiation from clock/bus sources, RF harmonics optimization, etc.)
- failure analysis, production yield optimization
Spark & Roberts has full in-house capabilities and tools to support the above activities:
- spectrum analyzer for e.g. emissions testing
- reference antennas for e.g. antenna gain measurement, emissions testing
- network analyzer for e.g. antenna optimization and PCB RF tuning
- near-field RF probes to locate emission sources, to measure antenna current distribution and to identify ground loops
- digital oscilloscope and logic analyzer
- antenna structure simulator (FDTD)
- RF simulator to investigate PCB RF characteristics
- PCB desig tools (schematic, layout, gerber, signal integrity)
- system level simulation software
Through third parties, Spark & Roberts offers the following additional services:
- radiation pattern measurements
- certification/compliance testing
- production test development