Below is a sample of our RF Design capabilities:
Wireless Standards 802.11a/b/g, BlueTooth, OFDM, DSSS, Link Budgets, Antenna Design, Interference Issues, Co-Location Issues, Channel Power Measurements, Occupied Bandwidth, and Modulation Measurements.
RF/Microwave (DC to >10GHz)
Heterodyne and Direct conversion Receivers, Transceivers, Mixer Analysis (Images, Harmonic Distortion, Intercept etc.), Frequency Plans, Baseband Processing, Noise Figure, RF Gain/Loss , 2nd / 3rd Order Intercept Analysis, Phase Noise Analysis, VCO’s, Frequency Synthesis (Direct, PLL, DDS, Hybrid), Synthesizer Spurious Analysis, Filter Design (Lumped and Distributed), RF PCB Layout, Modulators/Demodulators (CDMA,FM, AM, BPSK, QPSK, Vector), Costas Loop, Transmission Lines, Signal Splitters (0, 90 & 180), Circulators, Antennas, S-Parameters, Limiters, Attenuators, Doublers, Antenna Measurements.
DAC’s, ADC’s, NCO’s, Velocity Sensors, Closed Loop Position and Velocity Motor Control Circuits, Synchro/Resolvers, Design & Programming CPLD Logic Devices, PWM Power Supplies, Switching Power Supplies, Battery Charging Circuits, Temperature Measurement, RS232 Drivers, GPIB Interface Circuits, ISA Interface, USB Interfaces.
Spectrum Analyzer design, Vector Network analyzers, Scalar Network Analyzers, Noise Figure meters, Modulation Meters, RF Power Meters, RF/ Microwave Signal Sources, Atomic Clocks (Cesium and Rubidium) , GPS Disciplined Oscillators/Clocks, Frequency Counters, Time Interval Counters, Oscilloscopes (Analog and Digital), VOM’s, GPIB Interface and RS232 interface to Test equipment.
Signal Processing and Control Systems theory (Laplace, Fourier, Z transforms), Modulation, Demodulation, Filter Synthesis, Special Relativity, Signal Quantization, Stochastic Processes, Orbital Analysis of Satellites, Principles of Radar, Optical Analysis, Fourier Optics.
GPS Receivers, GPS Simulators
In depth knowledge from the Antenna to Computed User Position. We also specialized in the application of the GPS solution for user time (at a fixed position) as used in time transfer for cellular network applications. We have designed GPS receivers and GPS simulators.
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