|
General |
|
| Power
requirements: |
95/265VAC switchable, 40-60Hz, 50W, optional
24VDC. |
| Size: |
43.2cm W x 45.7cm D x 18.7cm H. |
| Weight: |
16kg. |
| Temperature: |
Storage: |
-20
to 75°C |
|
Operating: |
-5
to 50°C. |
| Humidity: |
10% to 95% RH, non-condensing. |
| Mounting: |
The unit is suitable for either bench or rack
mounting. |
|
|
|
Operating Specification |
|
| Power
output to tow vehicle: |
150VDC ±3VDC, 100mA average, 320mA peak. |
| Key
burst out: |
455kHz, pulse width selectable 16Vpp, PRR determined
by key source. |
| Key
input: |
Positive CMOS or TTL, 10kW input impedance. |
|
|
|
Receivers |
|
| Modulation
frequency: |
Port 135kHz, Starboard 65kHz. |
| Bandwidth: |
15kHz. |
| Sensitivity: |
6mV rms input produces 800mV rms output with
a 20dB signal-to-noise ratio (all gain maximum). |
| Input
impedance: |
5kΩ . |
| Output
impedance: |
600Ω on all
outputs. |
| Dynamic
range: |
Gain: |
adjustable
over 60dB range. |
|
TVG: |
-20
to +20dB maximum |
|
AGC: |
-34dB maximum. |
| Output: |
Selectable signal envelope or amplitude modulated
12kHz. |
| TVG
delay: |
3.3ms minimum, 330ms maximum. |
| Event
mark: |
5Vpp, 12kHz, front panel push button or BNC
input requiring CMOS or TTL level pulse. Produces visual mark on recording
media. |
| Key
out: |
0.6ms CMOS/TTL compatible. |
| Modes: |
100kHz and 500kHz operation. Raw signal and
processed signal. |
|
|
|
Front Panel Connectors |
| BNC: |
Seven each for signals and keys. |
| Amphenol: |
MS3102A-22-34S for deck cable |
| |
|
Multiplexer - Model SS982
|
| Transmitter
Section |
|
| Frequency: |
114/410kHz ±1% |
| Power output: |
3kW pulse
±20% |
| Pulse length: |
167µsec/88µsec
±1% |
| Pulse repetition rate: |
50 pulses per second maximum |
| Protection: |
Open and short circuit protected |
| Efficiency: |
Greater than 80% |
| Receiver
Section |
|
| Port channel: |
114/410kHz, heterodyned to 135kHz |
| Starboard channel: |
114/410kHz, heterodyned to 65kHz |
| Bandwidth: |
20kHz |
| TVG: |
Transmission loss curve compensated at both frequencies
Approximately +40dB at 100m range |
| Keyburst |
|
| Frequency: |
455kHz
±2% |
| Pulse length: |
300µsec for 114kHz operation
600µsec for 410kHz operation |
| General |
|
| Power requirements: |
150VDC at 100mA |
| Size: |
10.2cm D x 34.5cm L |
| Weight: |
3.2kg in air, 0.45kg in water |
| |
|
|
Towfish Model 159D |
| Tow
Speed: |
1 to 12 knots |
| Weight: |
16.3kg, 22.5kg, or 38.6kg depending on
ballast used |
| Dimension: |
11.4cm diameter by 128.5cm long, 3 fins on
tail protrude 7.5cm |
| Frame: |
Cast aluminium with shear release carry
handle/tow point |
| Nose: |
Shock absorbing, abrasive resistant urethane.
Cavity can carry small auxiliary transducer |
| |
|
Transducers Model 196D |
| Source Level: |
223 ±3dB re 1µPa@ 1m |
| Beamwidth: |
114kHz - 50° by 1°
410kHz - 40° by 0.3° |
| Sensitivity: |
-190dB re 1V/µPa |
| Depression angle: |
10° ±1° down
|
