ROBUST COMPACT ECONOMICAL BROADBAND SEISMOMETERS BB313, BB313-OBS The BB313 instruments are designed as extremely robust, versatile, compact, lightweight, broadband seismic sensors. Unlike traditional seismometers, they are based on proprietary electrochemical technology 1 that provides many advantages over the conventional electromechanical sensors. Each of.
ed. Also available are a single component version BB313U, a very low power customized lightweight, compact ocean-bottom seismometer (OBS) BB313-OBS (photo on the right above), and a narrow (83mm diameter) borehole model BB313-BH The latest BB313 seismometer contains a microcontroller which maintains exceptionally accurate parameter stability over the full operating temperature range and over the life of the instrument. Optionally, the microcontroller can also generate internally calibrating sine or other waveform signals. The calibration can be initiated by applying a logic level to the Calibr.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | BB301 |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF RF Amplifier | |
2 | BB301 |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF RF Amplifier | |
3 | BB301C |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF RF Amplifier | |
4 | BB301M |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF RF Amplifier | |
5 | BB302C |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF RF Amplifier | |
6 | BB302M |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF RF Amplifier | |
7 | BB304 |
Telefunken |
Silicon Epitaxial Planar Dual Capacitance Diodes | |
8 | BB304A |
Siemens Group |
Silicon Variable Capacitance Diode (For FM tuners Monolithic chip with common cathode for perfect tracking of both diodes) | |
9 | BB304C |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF RF Amplifier | |
10 | BB304M |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF/VHF RF Amplifier | |
11 | BB305C |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF/VHF RF Amplifier | |
12 | BB305M |
Hitachi |
Build in Biasing Circuit MOS FET IC UHF/VHF RF Amplifier |