Benthowave Instrument Inc.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 

Transmitting and Receiving Switch: Fixed Gain

BII-2100 Transmitting & Receiving Switch: Fixed Gain

Features  
Usable bandwidth: 1kHz to 12MHz
High Input dynamic range: 90 dB
Simple interfaces to power amplifier/transducer/DAQ
Automatic switching of transmitting and receiving
Built-in high voltage protection
Built-in bandpass filters
Potted PCB, water-proof, or Coated PCB
Easy calculation of echo sounding distance
Suggested Application  
Embedded in Transducers Driving Long Cable

Related Products

BII-5000 Series Power Amplifier: SONAR Transducer BII-1030 0 to 80dB Variable Gain Preamplifier (for TVG)
BII-6000 Series Impedance Matching and Tuning Unit BII-1090 0 to 60dB Programmable Gain Preamplifier
Underwater Transducer SONAR, Echosounder, Communication, Fishery ... BII-2030 Envelope Detection of Sonar Signals

Specification

TR Switch BII-2105/0 BII-2105/20 BII-2105/40
Available Bandwidth:
1kHz to 3MHz 1kHz to 3MHz 500kHz to 10MHz
Echo Sounding Distance: ≥0.05 m ≥0.05 m ≥0.01 m
Power Supply
Supply Voltage: +8.5 to +30VDC +8.5 to +30VDC +6 to +40VDC
Current (Quiescent): 4.8mA 4.8mA 4.5mA
Cable Length: 0.15m 0.15m 0.15m
Cable Shielded Cable
Red Wire: +VDC
Black Wire: Common
Shielded Cable
Red Wire: +VDC
Black Wire: Common
Shielded Cable
Red Wire: +VDC
Black Wire: Common
Connector: Wire Leads Wire Leads Wire Leads
Transmitting:      
Signal Type: Pulsed SINE, Chirp, PSK, FSK, etc.
Pulsed Square Waveform
Pulsed SINE, Chirp, PSK, FSK, etc.
Pulsed Square Waveform
Pulsed SINE, Chirp, PSK, FSK, etc.
Pulsed Square Waveform
Maximum Voltage: 600Vrms with Duty Cycle ≤ 1%. 600Vrms with Duty Cycle ≤ 1%. 100Vrms with Duty Cycle ≤ 1%.
Maximum Current: 10Arms 10Arms 10Arms
Cable Length: 0.15m 0.15m 0.15m
Cable Type: Wires Wires Wires
Connector: Wire Leads Wire Leads Wire Leads
Receiving:      
Gain: 0dB 20 dB 40 dB
Input Dynamic Range:
(10kHz Bandwidth)
90 dB 90 dB 90 dB
Filter: 2nd order Band Pass Filter:
40dB/Decade Roll-off
2nd order Band Pass Filter:
40dB/Decade Roll-off
2nd order Band Pass Filter:
40dB/Decade Roll-off
Echo Output:      
Echo Signal: Waveform, AC Coupled Waveform, AC Coupled Waveform, AC Coupled
Type: Single Ended Single Ended Single Ended
Drive Capability: 100m 100m 10m
Output Impedance: 1. Default: 10Ω
2. Custom: 50Ω
1. Default: 10Ω
2. Custom: 50Ω
1. Default: 50Ω
2. Custom
Cable Length: 0.15m 0.15m 0.15m
Cable: Coax, 50Ω Coax, 50Ω Coax, 50Ω
Connector: 1. BNC Male (BNC)
2. Wire Leads (WL)
1. BNC Male (BNC)
2. Wire Leads (WL)
1. BNC Male (BNC)
2. Wire Leads (WL)
Miscellaneous  
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.
Size (mm): ΦDxH=60x15
Weight: 110 Grams
Operating Temperature: -40°C to 85°C
Storage Temperature: -50°C to 105°C
Wiring: Click BII-2100 Series wirings for details.
   
How to order:        
BII-210x -xxx -xxx -xxx -xx
TR Switch Highpass Frequency
in kHz
Lowpass Frequency
in kHz
Echo Output Impedance
Blank (default)
Custom in Ω
Echo Connector
BNC
WL
Example of Part Number: Description
BII-2105/0-1-10-BNC: BII-2105/0, 1kHz HP filter, 10kHz LP filter, BNC Connector for Echo Signal.
BII-2105/20-10-50-WL: BII-2105/20, 10kHz HP filter, 50kHz LP filter, Wire Leads for Echo Signal.
BII-2105/40-1000-1500-50-BNC: BII-2105/40, 1MHz HP filter, 1.5MHz LP filter, Echo Output: Impedance 50Ω, BNC Connector.

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