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Article U1: The Ultrasound Spectrum A brief description of frequencies and pressure levels used by insects, animals, fish and for instrumentation. 12/04/08. To download this 3 page Article U1 as a pdf file: Click here.
Article U2: 40 kHz Piezo Transducers An Introduction to PZT parameters. 12/04/08. To download this 2 page article as a pdf file: Click here.
Article U3: The Ultra-QP: A QSO Party Rig A description of the Ultra-QP Frequency-Division Receiver and Push-Pull Ultrasound Transceiver. This unit is designed to facilitate CW group practice using ultrasound techniques. The unit can also be used in a school lab for exploring many aspects of pressure waves.
Ultra RX1 Case Label. Click here to download a word.doc that has a copy of the "stick-on label art" for the case top panel. The file assumes that you've loaded an Avery Label #8164 in your printer. Otherwise it will not print.