Channel simulator enables individual frequency set-up

11th December 2013
Source: IZT GmbH
Posted By : Mick Elliott
Channel simulator enables individual frequency set-up

A new wideband digital channel simulator for satellite or unmanned armed vehicle (UAV) data links from IZT provides a cost effective, time-saving solution with exceptional functionality. Accurate, complex and reproducible simulation of uplink, payload and downlink let system engineers create extremely realistic scenarios for testing their product in a laboratory environment.

The IZT C3040 offers an instantaneous bandwidth of 100MHz for high bandwidth applications. Customers can create realistic complex and reproducible scenarios to test flight and ground systems such as LEO, GEO, and MEO satellites, UAVs, modems, transmitters and receivers as well as telemetry tracking and ranging verification.

The instrument can simulate uplink, payload and downlink effects on the signal such as delay and delay change over time, Doppler shift, interference by other signals, multiplexer filtering, phase noise, large and small scale fading, and thermal noise. Users can simulate the time-dispersive effect of the ionosphere both on uplink and downlink transmissions and easily alter the conditions of the ionosphere while the simulation is running. For complex set-ups such as GNSS simulation, multiple devices are accurately synchronised.

Rather than pre-set input and output levels, the simulator allows individual set-up of the input and output frequencies between a range of 40MHz to 3GHz, at the input level up to 6,6GHz or 18GHz.

The channel simulator features exceptional signal quality, a large dynamic range and supports an accurate phase noise simulation with up to 10MHz bandwidth. Using sophisticated FPGA implementation, the IZT MUX filters can simulate filter effects of the satellite with the high precision that mission-critical applications require.


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