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Speed up Emission Measurements by a Factor of 64,000
11 March 2013 - The new TDEMI X EMI Receivers of GAUSS INSTRUMENTS allows to speed up emission measurements in the frequency range up to 40 GHz by a factor of 64,000. The new product series provides in addition to the classical EMI Receiver mode a variety of measurement and analysis functions. Using high edge FPGA technology the measurement times can be reduced by a factor of 64 000.
High resolution gigasamples Analog-to-Digital increase the dynamic range by more than 25 dB in comparison to the previous product series TDEMI. Using Multisampling in the frequency range from 30 MHz to 1 GHz a spurious free dynamic range of 100 dB is achieved. In addition to the fast FFT-based measurement mode the Instruments also provide a classical superheterodyne mode. The new series of product consists of 1G, 3G, 6G, 18G, 26G and 40G TDEMI X measurement systems. The instruments can be used for measurements according to CISPR 16-1-1, MIL461, DO160. The base units start with 9 kHz frequency range. The starting frequency range can be extended down to 10 Hz. In addition to the EMI Receiver mode the TDEMI X Series provides a real-time spectrum analyzer as well as a 2 Channel, 1 GHz, 12 Bit oscilloscope.
The TDEMI X product series provides 5 operation modes:
• EMI Receiver
• Real-time EMI Receiver (Weighted Spectrogram with 162,5 MHz Analysis Bandwidth)
• Spectrum Analyzer
• Real-time Spectrum Analyzer (Spectrogramm with 325 MHz Analysis Bandwidth)
• 2 Channel, 12 Bit , 1 GHz oscilloscope
The base unit provides a realtime spectrum analyzer mode up to 162.5 MHz. The real-time analysis bandwidth can be extended up to 325 MHz. All settings like IF-Bandwidth, Video Bandwidth and the various detectors can be easily controlled by pull down menus during the operation. A extremely large number of 64000 frequency points allow to analyze signals ultra-fast with highest sensitivity over larger bands.
Providing the dynamic range according CISPR 16-1-1 during spectrum analyzer mode and realtime spectrum analyzer mode the TDEMI X is an excellent tool for overview and final measurements.
The EMI Receiver mode provides in addition to the classical superheterodyne receiver mode an
FFT-based measurement mode that allows to perform ultra-fast measurements according to the newest standard CISPR 16-1-1 Ed. 3.1. By this way the measurement time can be reduced e.g. for Quasipeak in the frequency range from 30 MHz to 1 GHz down to 10 s. The EMI Receiver mode provides additionally automation routines to control e.g. a LISN. In addition to the EMI Receiver mode the instruments provide a full CISPR compliant real-time analysis bandwidth of 162,5 MHz.
Evaluation and export routines provide allow to analyze the operation modes of a device under test.
The oscilloscope mode (base unit) provides single channel with 16 Bit Resolution and 1 GHz realtime bandwidth. The setting of the trigger level as well as post- and pretrigger allows to trigger on picosecond pulses. With an option the instruments can be updated to a two channel 12 Bit oscilloscope with 12 Bit resolution and 1 GHz real-time bandwidth.
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