ACNS guidelines Evoked Potentials Verified Solutions Latest Update

ACNS guidelines Evoked Potentials Verified Solutions Latest Update EP Equipment: AMPLIFIER: Input signals with peak-to-peak amplitudes of ____ to _____ should be amplified ___________to the full range of the analog-to-digital (AD) converter - ANSWER 5uV to 50 uV equal EP Equipment: AMPLIFIER Gain should be adjusted in steps of not more than: - ANSWER 2.5 to 1 EP Equipment: AMPLIFIER: The differential input impedance of the amplifier must be at least ___ megOhm - ANSWER 100 megohm EP Equipment: AMPLIFIER The common mode rejection should be at least ___ dB (____:__) at the highest sensitivity of the amplifier when the common mode signal is applied between both inputs and neutral. - ANSWER 80 dB (10,000:1) EP Equipment: AMPLIFIER With filters wide open, the amplifier bandpass measured at -3 dB points must be at least: _-____Hz - ANSWER 0.1-5,000 Hz EP Equipment: AMPLIFIER The rolloff slopes of the filters must be _________. - ANSWER specified EP Equipment: AMPLIFIER The noise level of the amplifier must not exceed ____uV rms with the inputs connected to neutral and with a bandpass of ___-________Hz - ANSWER 2 uV rms 0.1-5,000 Hz EP Equipment: AMPLIFIER The amplifier must meet all specifications in the presence of a sustained ________mV offset applied differentially between the input terminals 1 and 2 or commonly to inputs 1 and 2. - ANSWER 300-mV EP Equipment: AVERAGER Time (horizontal resolution of the system should be ____us/data point or less - ANSWER 20