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  • Title: [A multichannel telemetry system for autonomic neural signals, blood flow velocity, blood pressure, and ECG measurements].
    Author: Yonezawa Y, Takenoshita M, Ninomiya I.
    Journal: Nihon Seirigaku Zasshi; 1992; 54(4):159-66. PubMed ID: 1494988.
    Abstract:
    A radio multichannel telemetry system has been developed for use with chronically instrumented, unrestrained, small animals. The system can simultaneously record autonomic neural signals, blood flow velocity, blood pressure, and ECG. The system is time-multiplexed and pulse width modulation (PWM)/FM device, which employs two sampling frequencies. The system is designed with 10 standard low power integrated circuits, a 3 terminal voltage regulator, and a transistor. The size is 53 x 42 x 20 mm, and the weight, including two batteries is 40 grams. The system is powered by two lithium cells, which provide 60 hours of continuous operation.
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