Benthowave Instrument Inc.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 

Preamplifiers for Marine Seismic Exploration

Suggested Application  
Streamer Preamplifier Sea-bottom Arrays
Features  
950m Depth Rating
Drive long cable: up to 1000m Cable
Differential or single ended output
Low power, small compact size
Custom-made gain and band pass filter
Built-in protection circuit
Related Products  
BII-7140 Hydrophone Array/Streamer Element
BII-7150 Marine Seismic Detector

Specification

Preamplifier BII-1101 BII-1102 BII-1103
Depth      
Custom Gain dB: 1. Default:26
2. Customized, 0 to 40
1. Default:26
2. Customized, 0 to 40
1. Default:26
2. Customized, 0 to 40
Bandwidth -3dB: 1. Default: 5Hz to 15kHz
2. Customized
1. Default: 5Hz to 15kHz
2. Customized
1. Default: 5Hz to 15kHz
2. Customized
Input Referred Noise:
at 1kHz
20nV/√Hz
1.0fA/√Hz
20nV/√Hz
1.0fA/√Hz
20nV/√Hz
1.0fA/√Hz
Input Impedance: 44MΩ 44MΩ 44MΩ
Output Impedance: 10Ω 10Ω 10Ω
Output Type: Single Ended Differential/Balanced Differential/Balanced
Cable Driving Capability: 200m 200m 1000m
Supply Voltage: +6 to +30VDC +6 to +30VDC +6 to +30VDC
Quiescent Current: 3.0 mA 5.3 mA 5.3 mA
Size ΦDxL: Φ21x45mm Φ21x45mm Φ21x45mm
Weight: 16g 16g 16g
 
Miscellaneous: BII-1100 Series Preamplifier
Depth Rating: 950m Maximum
Input Wiring: Solder Pins
Maximum Input: 2.4Vpp or (Maximum Output)/Gain, whichever is less.
Input Type: Differential (either single ended or differential input signals are accepted).
Output Wiring: Solder Pins
Maximum Output: Supply Voltage - 1.7 Vpp
Suggested DC Supply: +9VDC Battery, Marine Battery, Automobile Battery, Fixed DC Linear Power Supply, Not Included.
DO NOT use variable power supply whose maximum supply voltage is higher than the above rated voltage.
DO NOT use switching mode DC power supply.
Operating Temperature: -10°C to 50°C
Storage Temperature: -20°C to 50°C

  BII-1101 and BII-1102 Leads

Preamplifiers for Marine Seismic ExplorationPreamplifiers for Marine Seismic ExplorationPreamplifiers for Marine Seismic Exploration

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