
The cable capacitance in cryogenic and high vacuum applications of quartz tuning forks imposes severe constraints on the bandwidth and noise performance of the measurement. We present a single stage low noise transimpedance amplifier with a bandwidth exceeding 1 MHz and provide an in-depth analysis of the dependence of the amplifier parameters on the cable capacitance.
Physics - Instrumentation and Detectors, Electrical Equipment and Supplies, FORCE MICROSCOPY, 621, FOS: Physical sciences, Quartz, Instrumentation and Detectors (physics.ins-det), 530, Nanoscience and Nanotechnology, Condensed Matter - Other Condensed Matter, PREAMPLIFIER, SENSORS, Electric Impedance, HIGH MAGNETIC-FIELDS, HIGH MAGNETIC-FIELDS; FORCE MICROSCOPY; PREAMPLIFIER; SENSORS; PROBE, PROBE, Other Condensed Matter (cond-mat.other)
Physics - Instrumentation and Detectors, Electrical Equipment and Supplies, FORCE MICROSCOPY, 621, FOS: Physical sciences, Quartz, Instrumentation and Detectors (physics.ins-det), 530, Nanoscience and Nanotechnology, Condensed Matter - Other Condensed Matter, PREAMPLIFIER, SENSORS, Electric Impedance, HIGH MAGNETIC-FIELDS, HIGH MAGNETIC-FIELDS; FORCE MICROSCOPY; PREAMPLIFIER; SENSORS; PROBE, PROBE, Other Condensed Matter (cond-mat.other)
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