Title :
Flatness analysis of the oscilloscope frequency response by accurate step generator
Author_Institution :
Dipartimento di Ingegneria Elettrica, Padova Univ., Italy
Abstract :
The analysis of the oscilloscope low frequency behavior is here proposed starting from its time step response. The method is very sensitive, in fact it allows to detect also small deviation of the frequency response (of the order of 1%), mainly due to imperfect trimming of the front end divider of the oscilloscope. A description of the step generator used in the test is also included, and the characteristics of its output are evaluated both experimentally and by simulation
Keywords :
digital storage oscilloscopes; frequency response; signal sampling; step response; transfer functions; waveform generators; accurate step generator; flatness analysis; front end divider; imperfect trimming; low frequency behavior; negative step generator; oscilloscope frequency response; simulation; time step response; transfer function; Bandwidth; Character generation; Frequency estimation; Frequency response; Oscilloscopes; Shape; Switches; Testing; Time factors; Voltage;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 2001. IMTC 2001. Proceedings of the 18th IEEE
Conference_Location :
Budapest
Print_ISBN :
0-7803-6646-8
DOI :
10.1109/IMTC.2001.929561
