09.17.13 -- Inflatable Antennae Could Give CubeSats Greater Reach
Radiation Pattern Measurements Of The NASA Mars Science Laboratory UHF Entry Antenna Using A Spherical Near-Field Range By Paula R. Brown, David Farr, John Demas, and Jesus A. Aguilar
Measurements of a conical micro-strip Wraparound antenna array mounted on a portion of the entry vehicle for NASA’s Mars Science Laboratory mission were completed at Nearfield Systems, Inc.’s new spherical near-field range facility. The Wraparound antenna, designed and manufactured by Haigh-Farr, Inc., provides nearly full spherical coverage and operates in the UHF frequency band for telecommunications to orbiting assets at Mars.
As data transfer rates increase and complexity grows, designing high-speed connectors is becoming increasingly challenging, especially with multiple compliance regulations to meet. A precise analysis of the connector in isolation as well as the connector and PCB interface is essential and can be achieved only by extensive use of 3D EM simulation during the development cycle.
Empower RF Systems continues to leverage next generation hardware and software architecture with the next series of the ‘’size matters” portfolio — 500-W in 3U chassis. This power amplifier family operates in the frequency ranges of 20 to 500 MHz, 500 to 1000 MHz, and 20 to 1000 MHz with the output power guaranteed over full bandwidth and temperature.
The T124 Series from Greenray Industries is an ultra-low frequency oscillator — available down to 650 Hz — in a low-profile, compact SMT package. With compact size and low power consumption, the T124 Series is ideally suited to low jitter clocking for mobile RF applications.
MtronPTI expands their RF and microwave filter line with the introduction of digitally tuned bandpass filters. Software-defined radios and cognitive radios require flexible RF front ends, similar to frequency hopping front ends of military communication radios.