Benthowave Instrument Inc.

BENTHOWAVE INSTRUMENT INC.          Underwater Acoustics

Hydrophone Preamplifier With Programmable Gain

BII-1009    Hydrophone Preamplifier With Programmable Gain

Suggested Application Features Related Products

Tracking and Positioning of Beacon/Pinger/Tag/Locator...
Direction-finding Sonar, Echo-ranging
Programmable Gain to Avoid Saturation/Overload
Bioacoustic Research
Passive Acoustic Monitoring (PAM System) Sonobuoy

Digitally & Manually Gain Control
TTL/CMOS Compatible, Power Supply Rail Compatible
80 dB Gain Range, 2.2MHz Bandwidth
Long cable drive capability
Low power consumption

Hydrophone
Underwater Transducer

Gain Selection Table (Type 1, Type 2 and Type 3)

Digital A1 Digital A0 Type 1 Gain
(option 1)
Type 1 Gain
(option 2)
Type 2 Gain
(option 1)
 Type 2 Gain
(option 2)
 Type 3 Gain
(option 1)
 Type 3 Gain
(option 2)
0 0 0 dB 20 dB 0 dB 20 dB 0 dB 20 dB
0 1 20 dB 40 dB 20 dB 40 dB 20 dB 40 dB
1 0 40 dB 60 dB 40 dB 60 dB 40 dB 80 dB
1 1 N/A N/A 60 dB 80 dB N/A N/A

Gain Selection Table (Type 6, Type 7 and Type 8)
Digital A2 Digital A1 Digital A0 Type 6 Gain Type 7 Gain Type 8 Gain
0 0 0 0 dB 0 dB -20 dB
0 0 1 26 dB 26 dB 6 dB
0 1 0 54 dB 54 dB 34 dB
1 0 0 80 dB 80 dB 60 dB

Specification

Programmable Gain BII-1009 Type 1 BII-1009 Type 2 BII-1009 Type 3
Available -3dB Bandwidth: 1 Hz to 250 kHz 1 Hz to 400 kHz 1 Hz to 1MHz
High Pass Filter: Custom Custom Custom
Low Pass Filter: Custom Custom Custom
Gain:
(Specify when ordering)
Options:
1. 0, 20, 40dB
2. 20, 40, 60dB
Options:
1. 0, 20, 40, 60dB
2. 20, 40, 60, 80dB
Options:
1. 20, 40, 60dB
2. 40, 60, 80dB
Gain Control: Wires for Gain Control:
1. Power Supply Rails
    Logic Low: Common
    Logic High: Vcc
2. Logic Low: 0 to (Vcc/2+0.8V)
    Logic High: (Vcc/2+2.0V) to Vcc

Vcc: Power Supply Voltage
Wires for Gain Control:
1. Power Supply Rails
    Logic Low: Common
    Logic High: Vcc
2. TTL/CMOS Compatible
    Logic Low: 0 to 0.8V
    Logic High: 2.4V to Vcc
Vcc: Power Supply Voltage
Wires for Gain Control:
1. Power Supply Rails
    Logic Low: Common
    Logic High: Vcc
2. TTL/CMOS Compatible
    Logic Low: 0 to 0.8V
    Logic High: 2.4V to Vcc
Vcc: Power Supply Voltage
Input Impedance:  44 MΩ 2 MΩ 2 MΩ
Output Impedance:  20 Ω 20 Ω 20 Ω
Power Supply: 3mA@+9 to +24VDC 10mA@+8.2 to +24VDC 10mA@+10.5 to +24VDC
Capability of Driving Cable: 30m@250kHz 30m@400kHz 20m@1MHz
Size (Coated PCB): LxWXH: 33x8.9x5.0mm LxWXH: 38x8.9x7.0mm LxWXH: 38x8.9x7.0mm

Programmable Gain BII-1009 Type 6 BII-1009 Type 7 BII-1009 Type 8
Available-3dB Bandwidth: 4 Hz to 450 kHz 1 kHz to 800 kHz 1 kHz to 2.2 MHz
High Pass Filter: Custom Custom Custom
Low Pass Filter: Custom Custom Custom
Gain: 0, 26, 54, 80dB 0, 26, 54, 80dB -20, 6, 34, 60dB
Gain Control: Wires for Gain Control:
TTL/CMOS Compatible
Logic Low: 0 to +0.8V
Logic High: 2.0V to Vcc
Vcc: Power Supply Voltage
Wires for Gain Control:
TTL/CMOS Compatible
Logic Low: 0 to +0.8V
Logic High: 2.0V to Vcc
Vcc: Power Supply Voltage
Wires for Gain Control:
TTL/CMOS Compatible
Logic Low: 0 to +0.8V
Logic High: 2.0V to Vcc
Vcc: Power Supply Voltage
Input Impedance:  44 MΩ 200 kΩ 200 kΩ
Output Impedance:  10 Ω 20 Ω 20 Ω
Power Supply: 25mA@+13 to +24VDC 32mA@+13 to +24VDC 32mA@+13 to +24VDC
Capability of Driving Cable: 30m@450kHz 20m@800kHz 20m@1MHz
Size (Coated PCB): LxWXH: 33 x 8.9 x 5.0mm LxWXH: 33 x 8.9 x 5.0mm LxWXH: 33 x 8.9 x 5.0mm

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 85°C
Storage Temperature: -40°C to 85°C
Hermetic Unit  
Depth (Hermetic Unit): Default: 300m
Custom, specify when ordering
Available Connectors: Specify when ordering:
1. Underwater Mateable Connector
2. BNC
3. MIL-5015 style
Input: 1. Low noise shielded cable (Hermetic Unit)
2. Coax (Hermetic Unit)
3. Solid tinned conductors (Hermetic Unit)
Output: Differential Output:
1. Low noise shielded cable (Hermetic Unit)
2. Solid tinned conductors (Hermetic Unit)
Size: Hermetic Unit ΦDxL: 26.8x70mm

Frequency Response

Programmable Gain Preamplifier

BII-1009 Wiring

Programmable Gain Preamplifier Programmable Gain Preamplifier

Go back to Hydrophone Preamplifiers and Array Amplitude Shading.