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R. Abramson, S. Gunter, D. Otten, K.K. Afridi, and D.J. Perreault, "Design and Evaluation of a Reconfigurable Stacked Active Bridge dc/dc Converter for Efficient Wide Load-Range Operation," IEEE Transactions on Power Electronics, Vol. 33, No 12, pp. 10428-10448, December 2018.
R. Abramson, S. Gunter, D. Otten, K.K. Afridi, and D.J. Perreault, "Design and Evaluation of a Reconfigurable Stacked Active Bridge dc/dc Converter for Efficient Wide Load-Range Operation," 2017 IEEE Applied Power Electronics Conference, 2017.
A high-impedance amplifier with active bridge circuitry was used to record the membrane potential and to inject current into the neurons.
Electrode signals were amplified (×10) through the active bridge circuitry of an Axoprobe-1A amplifier (Molecular Devices Corp ., coupled to alternating current, and further amplified (×100) and bandpass filtered (300 5000 Hz) to extract unit activity (DPA-2FS; Scientifica).
Action potentials of single neurons were recorded using the active bridge mode of an Axoclamp 2 B amplifier (Axon Instruments, Foster City, CA, USA), amplified (1,000×), filtered (0.3 3 kHz) with an AC/DC amplifier (DAM 50, World Precision Instruments, Hertfordshire, UK), and viewed on a memory oscilloscope (Tektronix, Courtaboeuf, France).
Electrode signals were amplified (10×) through the active bridge circuitry of an Axoprobe-1A amplifier (Molecular Devices Corp., Sunnyvale, CA, USA), AC-coupled and amplified a further 100× (NL-106 AC DC Amp: Digitimer Ltd., Welwyn Garden City, UK), before being band-pass filtered between 0.3 and 5 kHz (NL125: Digitimer).
In this work a comparative study of noise and resolution is presented between Miller and Active Bridge oscillator (ABO) topologies.
