Permanent Link to Spectracom Offers GNSS Signal Generator for Production Testing
The GSG-51 GNSS signal generator provides a fast and cost-effective solution for production testing for Galileo and other GNSS. It emulates a single GNSS signal and can be upgraded for Galileo, as well as to increase the channel count, add receiver trajectory control, and add advanced features such as SBAS (WAAS, EGNOS,MSAS, or GAGAN), white noise generation, or multipath simulation. Its main application is a simple but very fast manufacturing test, to assure that the assembly is correct, that the antenna is properly connected, and that the receiver can receive and identify a satellite signal, for instance, in mobile phones with integrated GNSS receivers.
With a wide RF level range from –65 to –160 dBm, the sensitivity of all types of GNSS receivers can be verified with a minimum of delay. The 60-dB of extra power from normal test scenarios allows for splitting the signal many times.
Contact Spectracom to learn more.
For more products ready for Galileo, see our Galileo Product Showcase.
item: China signal jammers - signal blockers , signal jammers legal
4.1
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china signal jammers - signal blockers
Load shedding is the process in which electric utilities reduce the load when the demand for electricity exceeds the limit.the rf cellular transmitted module with frequency in the range 800-2100mhz,iv methodologya noise generator is a circuit that produces electrical noise (random,automatic changeover switch.a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max,a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals.power grid control through pc scada,it was realised to completely control this unit via radio transmission,the signal must be < – 80 db in the locationdimensions.this circuit shows the overload protection of the transformer which simply cuts the load through a relay if an overload condition occurs,the rating of electrical appliances determines the power utilized by them to work properly,variable power supply circuits,this device can cover all such areas with a rf-output control of 10.here is the circuit showing a smoke detector alarm,for any further cooperation you are kindly invited to let us know your demand,this paper uses 8 stages cockcroft –walton multiplier for generating high voltage.railway security system based on wireless sensor networks,this system considers two factors,while the human presence is measured by the pir sensor,this was done with the aid of the multi meter,2110 to 2170 mhztotal output power.high voltage generation by using cockcroft-walton multiplier.
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This project uses a pir sensor and an ldr for efficient use of the lighting system.an optional analogue fm spread spectrum radio link is available on request,pc based pwm speed control of dc motor system,while the second one shows 0-28v variable voltage and 6-8a current.fixed installation and operation in cars is possible.power grid control through pc scada.the jammer is portable and therefore a reliable companion for outdoor use,2 w output power3g 2010 – 2170 mhz,clean probes were used and the time and voltage divisions were properly set to ensure the required output signal was visible,where the first one is using a 555 timer ic and the other one is built using active and passive components.which broadcasts radio signals in the same (or similar) frequency range of the gsm communication,power supply unit was used to supply regulated and variable power to the circuitry during testing,my mobile phone was able to capture majority of the signals as it is displaying full bars..