MTX-100 Marine Transceiver
(190-1001) Specifications Faxback Doc. # 39293
GENERAL
Channels:...................................................... Transmit 54
Receive 64 (10WX)
Frequency Control Method:.................................. PLL synthesizer
Antenna Impedance:........................................ 50 ohms, nominal
Speaker:............................................. 2-27/32 inch, 16 ohms
Microphone:........................... Rugged 600 ohms dynamic element with
coiled cord and plug-in connector
Channel Display:.................................................... L.E.D.
Frequency Stability:............................................. +/-0.001%
Operating Temperature Range:................ -2 F to 122 F (-20 C to +50 C)
Shock and Vibration:................ Meets or exceeds EIA standards, RS152B
and RS204C
Size:..................................... 7-1/4 x 9-5/8 x 2-1/4 inch (WHD)
(185 x 245 x 58 mm)
Weight:............................................................ 2.5 lbs
Controls:........................................... On-Off/Volume, Squelch
Connectors:.................. Antenna, microphone, remote speaker, DC power
Frequency Range:................................... 156 to 158 MHz transmit
156 to 163 MHz receive
Selector Switches:............. 1W/25W power, DIM/BRIT, CH16 & main channel
selector switches
Lights and Indicators:............ Red Transmit, 1 Watt & CH16 LED, Green 7
segment LED Channel Readout
Standard Accessories:............. Plug-in microphone, mounting bracket and
hardware, DC power cord, mike hanger,
spare fuse, owner's manual
Supply Voltage:................................... 13.8V DC negative ground
TRANSMITTER
Power Output:............................. 25 or 1 watt (switch selectable)
Power Requirement:........................ 25 watts output: 5.0A @ 13.8V DC
1 watt output: 1.5A @ 13.8V DC
Maximum Deviation:.............................................. +/-4.7 kHz
Hum and Noise Attenuation:........................................... 45 dB
Audio Response:...................................................... LIMIT
300 Hz - 10.5 dB (+1/-3 dB)
1000 Hz 0 dB (+1/-3 dB)
3000 Hz + 9.5 dB (+1/-3 dB)
Spurious Emission:................................. -60 dB 25 watts output
-48 dB 1 watt output
RECEIVER
Sensitivity:....................................... 0.25 uV for 12 dB SINAD
0.30 uV for 20 dB S/N
Threshold Squelch Sensitivity:..................................... 0.18 uV
Tight Squelch Sensitivity:.......................................... 1.0 uV
Spurious Response Attenuation:....................................... 85 dB
Intermodulation Attenuation:........................... 60 dB @ 12 dB SINAD
43 dB @ 26 dB above useable sensitivity
30 dB @ 46 dB above useable sensitivity
Adjacent Channel Rejection:.......................................... 70 dB
Selectivity:........................................ +/-7.5 kHz @ 6 dB down
+/-15 kHz @ 60 dB down
Audio Output Power:.................... 2-watt minimum at 10% distortion at
1 kHz modulation and +/-3.0 kHz deviation
(8 ohm speaker)
Power Requirement:........................... 0.35A @ 13.8V DC, (squelched)
1.0A @ 13.8V DC, (maximum audio output)
IF Frequencies:............................................. 1st - 16.9 MHz
2nd - 455 kHz
Hum and Noise Level................................................. -50 dB
Audio Distortion:................... Less than 7% with 3 kHz deviation with
1000 Hz modulating frequency
Audio Response:...................................................... LIMIT
300 Hz + 10.5 dB (+2/-8 dB)
1000 Hz 0 dB (+2/-8 dB)
3000 Hz - 9.5 dB (+2/-8 dB)
(km-05/06/1997)
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