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| Brownlee's quiet electrophysiology amplifiers have four channels of a high gain/low noise amplification, lowpass filter and output offset control with a memory function for each channel. The Brownlee Model 440 adds an 8-pole Bessel lowpass filter, auto-zeroing, a line-notch filter, highpass filter, multiple memories per channel, and a digital voltmeter. A wide bandwidth of over 500 kHz insures smooth recordings. |
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| The NeuroLog System is a compact, versatile, modular instrument for a variety of research: intracellular, extracellular, transducer & multi-channel isolated amplification; pulse generation & electrical stimulation; and signal processing & conditioning. One NeuroLog can be used to monitor several parameters of interest simultaneously. See our list of interchangeable NeuroLog modules. |
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| The Hum Bug is a device for canceling electrical interference in real-time, avoiding all of the traditional problems associated with notch filters like phase delays, amplitude errors, DC shifts or waveform distortion. The Hum Bug constructs a replica of noise present on the input signal and continuously subtracts it from the signal as it passes through the instrument, even when noise characteristics evolve over time. |
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| The DS2A provides a precise constant voltage stimulus (up to 100V) controllable in pulse duration and amplitude from self-contained batteries, making it ideally suited to electrophysiological recording in small preparations or cells where low noise is required. |
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| The DS3 provides a precise constant current stimulus (up to 32mA) controllable in pulse duration and amplitude from self-contained batteries like the DS2A. The DS3 also features a "clamp" or discharge circuit which discharges the output between stimuli, preventing a charge build up on the preparation which can lead to a loss of stimulus in other constant current devices. |
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| The DG2A is a compact, free-standing, battery powered instrument which can be used to generate trigger pulses required for repetitive stimulation. Also featuring DELAY controls, it is useful for determining nerve or axonal Effective Refractory Period (ERP) through the production of a delayed second pulse. It is especially useful as a frequency generator for use with our DS2A and DS3 isolated stimulators. |
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© 2007 AutoMate Scientific, Inc.
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