Products/Services for Geophone Preamp
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Seismic Instruments - (56 companies)Seismic instruments are used to measure low frequency ground motion caused by earthquakes.Device TypeNumber of AxesInstrument Type -
Audio Amplifiers and Preamplifiers - (395 companies)Audio amplifiers and audio preamplifiers are used to increase the amplitude of sound signals. Preamplifiers or preamps are designed to amplify low-level signal from a high-impedance device such as a microphone or instrument pick-up. After... -
Audio Microphones - (458 companies)Audio microphones are designed for sound reception and recording applications (speech and music). -
Vibration Sensors - (251 companies)Vibration sensors cover sensors and other instruments used for measuring vibration and acceleration. -
Signal Transformers - (433 companies)Signal transformers transfer information from one circuit to another by electromagnetic induction. They are used to increase or decrease the voltage from one side of a power transformer to the other. -
Vacuum Tubes - (24 companies)Vacuum tubes are electronic components used to amplify, switch, modify and/or create analog signals by controlling the movement of electrons in low-pressure spaces.
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Equalizers - (34 companies)Equalizers are electronic devices used to balance frequency components of electronic signals.
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Power Transformers - (1025 companies)Power transformers convert power-level voltages from one level or phase configuration to another. They can include features for electrical isolation, power distribution, and control and instrumentation applications.
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Antennas - (1281 companies)Antennas are structures or devices used to collect or radiate electromagnetic waves.
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Signal Amplifiers - (312 companies)Signal amplifiers accept signals from sensors and other devices and amplify them to levels suitable for further processing or digitization by computer elements.
Product News
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A.H. Systems Inc.
Make Smart Use Of Preamps In RF Testing Download this article of Make Smart Use Of Preamps In RF Testing. Learn more about Shielding Effectivness and the importance of dynamic range. Make Smart Use Of Preamps In RF Testing. There are a number of ways that mistakes with preamps in test configurations can lead to misleading or incorrect readings or even damaged equipment and unnecessary costs. With some attention and proper equipment matching, results will be accurate and useful, and expenses will remain at a minimum. Download... (read more)Browse RF Amplifiers Datasheets for A.H. Systems Inc. -
Tronics Microsystems
Seismic MEMS Foundry Seismic MEMS Foundry: Precision Geophone Sensor Manufacturing. Tronics' MAGELAN Seismic MEMS Foundry specializes in high-performance geophone and seismic sensors. Our technology platform supports custom vibration MEMS with advanced etching and tunable Q-factor processes, ideal for demanding geophysical applications. With proven manufacturing know-how and high vacuum capabilities, we enable scalable production of precision seismic sensors. Explore Seismic MEMS Foundry. (read more) -
A.H. Systems Inc.
Signal testing essentials Make Smart Use Of Preamps In RF Testing. There are a number of ways that mistakes with preamps in test configurations can lead to misleading or incorrect readings or even damaged equipment and unnecessary costs. With some attention and proper equipment matching, results will be accurate and useful, and expenses will remain at a minimum. Any type of radio frequency (RF) testing requires antennas. Equipment under test may or may not have them - some devices aren't designed to broadcast but still... (read more)Browse RF Amplifiers Datasheets for A.H. Systems Inc. -
KRYTAR, Inc.
ULTRA-BROADBAND CONTROL SOLUTIONS Looking for dependable DC control across a broad frequency range? KRYTAR 's Bias Tees cover multiple microwave bands, from 0.5 to 40 GHz, and are built to keep up with the toughest RF demands. Their rugged stripline design handles high current and power with confidence, perfect for feeding low-noise amplifiers, powering pre-amps, or supporting remote antenna setups. (read more)Browse Bias Tees Datasheets for KRYTAR, Inc. -
Triad Magnetics
Custom Audio Transformers From Triad Magnetics and microphone pre-amps. Moving coil, interstage and pre-amp output transformers. RIAA phono stages: tube and transistor designs. Switching power supply design and manufacture. Automated PCV assembly including surface mount and through-hole components. Manual assembly and soldering with trained and certified operators. Quality Control. At Triad Magnetics, we are committed to providing superior quality. We adhere to strict in-house quality procedures and design testing, in addition to agency compliance... (read more)Browse Audio Transformers Datasheets for Triad Magnetics
More Information
Indicates content that may require registration and/or purchase.
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A Method of Tracing Fissures, Crack Frequency, And Depths Inside Hard Rocks
This graph shows entire recordingsystem’s analog response to signal usingindicatedlow-cutfiltering,including effects of 100 Hz geophones and preamp analog filteringat indicated settings.
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Conducting a Shallow Seismic Source Comparison
This graph shows entire recordingsystem’s analog response to signal usingindicatedlow-cutfiltering,including effects of 100 Hz geophones and preamp analog filteringat indicated settings.
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Ocean Bottom Seismometers In Seismic Exploration Surveys: Planning And Operations
In the latter caseeitherthe geophone . preamp ,and connectingcable are expendablethus increasingcosts,or they mustbe recovered,complicatingthe handling.
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Ocean Bottom Seismometer: An Engineering Perspective
In the latter caseeitherthe geophone . preamp ,and connectingcable are expendablethus increasingcosts,or they mustbe recovered,complicatingthe handling.
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Antipredator behavior of a social desert rodent: footdrumming and alarm calling in the great gerbil, Rhombomys opiums
We recorded foot- drumming with geophones , which are small vertically oriented cylinders containing electromagnetic coils that respond to seismic vibrations, through a 25-dB preamp into a recorder (Randall 1989).
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Ontogenetic changes in the auditory sensitivity of damselfishes (pomacentridae)
HS-1 geophone (natural freq. 4.5 Hz) mounted in a Plexiglas disc suspended within a Plexiglas tube (see Banner 1967 for diagram) was used in conjunction with the above mentioned preamp , filter, and voltmeter.
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Hecla's Seismic Detection System
This " preamp " has a power output stage to amplify the geophone signal .
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Applications of Acoustic Emission Techniques to Rock and Rock Structures: A State-of-the-Art Review
PREAMP - GEOPHONE FIG. 1 ^—Single-channel AE moniioring faciliiy incorporating a basic signal conditioning system.
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Electronic Circuits of the Week Jan-June 2006
Human Traffic Footstep Detector Preamp This circuit uses a surplus geophone to detect human footsteps from 100 feet away.
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Ocean-bottom-seismograph of the Institut für Geophysik, Hamburg
… system is designed to record the data from the hydrophone as well as the 3-component- geophone . The hydrophone is connected with a built-in preamp 20 dB (_+1.5 V).
