IC-746

Modifications for the Icom IC-746 Not  ICOM!

WOW! 100 watts on HF, 6 meters AND 2 meters! IF-DSP, too!

Now Available. A REAL HF radio with 6 and 2 meters. With solar cycle 23 gearing up, all hams will be able to take advantage of better HF propagation conditions, night AND day!

• Dimensions: 11.3 (W) x 4.7 (H) x 12.5 (D); 19 lb, 10 oz
• HF + 6 Meters + 2 Meters
• All Mode, Including RTTY (FSK and AFSK)
• 5-100 Variable Watts of Power (5-40 W on AM) on All Bands, Including 2 Meters
• Fast, Built-In Automatic Antenna Tuner for HF and 6 Meters
• 3 Antenna Connectors
• IF-DSP with Noise Reduction
• IF-DSP Auto Notch Filter
• Selectable DSP Audio Peak Filter (320/160/80 Hz)
• Noise Blanker
• Concentrated Information Dot Matrix LCD Display with Soft Key Controls
• Spectrum Scope
• Quadruple Conversion Superheterodyne for SSB, CW, AM, RTTY, Triple for FM
• Twin Passband Tuning (PBT)
• Triple Band Stacking Register
• 2 Step Preamplifier -- great for weak signal work on VHF. Single stage on 2 meters
• 10 "Memo Pad" Memories. Easy, powerful feature, great for contesters and DX'ers
• Noise Blanker
• 3 Optional Filter Slots -- 2 for 9 MHz and 1 for 455kHz, front panel selectable
• With the 4 filters that come as standard equipment, get up to a total of 7 filters
• RF Speech Compressor
• Tone Squelch
• Tone Scan
• VOX
• SmarTuneTM Tuning
• Automatically senses how fast you want to tune by how fast the knob is turned
• Digital Metering
• Measures 3 parameters, all at once
• Auto Repeater Duplex Setting for 2, 6, and 10 Meters
• Quick Split
• CW Pitch Control
• Semi and Full Break-In (QSK)
• Memory Keyer with 4 Built-In Memories
• Includes QSO serial number generator with count-up feature (incrementing the QSO number with each contact) and auto-repeat message
• CI-V Interface
• FM Narrow Capability
• Transmit Audio Monitor
• Built-In Carrying Handle and Side Feet
• Optional Voice Synthesizer

• Frequency Coverage:

Receive: 0.030 - 60.000 MHz*1
Transmit:
  1.800 - 1.999 MHz*2
  3.500 - 3.999 MHz*2
  7.000 - 7.300 MHz*2
 10.100 - 10.150 MHz
 14.000 - 14.350 MHz
 18.068 - 18.168 MHz
 21.000 - 21.450 MHz
 24.890 - 24.990 MHz
 28.000 - 29.700 MHz
 50.000 - 54.000 MHz*2
144.000 - 148.000 MHz*2
*1 Except for some frequency range
*2 Depending on version

• Mode: USB, LSB, CW, RTTY, AM, FM
• Number of Memory Channels: 102 (99 regular, 2 scan edges and 1 call)
• Antenna Connector: SO-239x3 [2 for HF + 1 for 144 MHz bands; 50]
• Usable Temperature Range: -10°C to +60°C; +14°F to +140°F
• Frequency Stability: Less than ±7 ppm from 1 min. to 60 min. after power ON. After that, the rate of stablity change is     less than ±1 ppm at +25°C; +77°F. Temperature fluctuations 0 °C to +50°C (+32°F to + 122°F) less than ±5 ppm.
• Power Supply Requirement: 13.8 V DC (±15% negative ground)

Current Drain (at 13.8 V DC): Transmit max. power: 20A
Receive standby: 2.5A
max. audio: 2.7A
• Dimensions (approx): 287(W) x 120(H) x 316.5(D) mm, 11.3(W) x 4.75(H) x 12.5(D) in (projections not included)
• Weight (approx): 8.9 kg; 19.625 lb.

Transmitter

• Output Power:

SSB/CW/RTTY/FM: 5-100 W
AM: 2-40 W
• Modulation System:

SSB, AM: Balanced modulation
• FM: Variable reactance modulation
• Spurious Emissions: -50 dB (HF), -60 dB(50/144MHz)
• Carrier Supression: More than 40 dB
• Unwanted Sideband Supression: More than 50 dB
• Delta TX Variable Range: ±9.999 kHz
• Microphone Connector: 8-pin connector (600 )

Receiver

• Sensitivity:
• SSB, CW, RTTY (10 dB S/N):
• 0.16 µV (1.8-29.99 MHz)*1
• 0.13 µV (50MHz)*2
• 0.11 µV (144 MHz)*3
• AM (10 dB SINAD):
• 13 µV (0.5-1.799 MHz)
• 2.0 µV (1.80-29.99 MHz)*1
• 1.0 µV (50/144 MHz)*2,3
• FM (12 dB SINAD):
• 0.5 µV (28.0-29.99 MHz)
• 0.25 µV (50 MHz)*2
• 0.18 µV (144 MHz)*3
• *1 Pre-amp 1 ON, *2Pre-amp 2 ON, *3Pre-amp ON
• Squelch Sensitivity:

SB,LSB,CW, RTTY - Less than 5.6 µV
FM - Less than 1.0 µV
• Selectivity:

USB, LSB, CW, RTTY - More than 2.1 kHz/-6 dB ; Less than 4.0 kHz/-60 dB
AM, FM-N - More than 9.0 kHz/-6 dB ; Less than 20 kHz/-40 dB
FM - More than 12 kHz/-6 dB ; Less than 30 kHz/-50 dB
• Spurious and Image Rejection Ratio: More than 70 dB (except IF through in 50 MHz band)
• RIT Variable Range: ±9.999 kHz
• Audio Output Power (at 13.8 V DC): More than 2.0 W at 10% distortion with an 8 load

• Hand microphone
• Spare fuses
• Key plug
• DC power cable

OPTIONS

Copyright 1998 ICOM AMERICA, INC. All specifications and options subject to change without notice or obligation.
NOTE: All specifications are for U.S.A. versions. For specifications in other countries, check with your ICOM Dealer.
Some options may not be available due to local regulations.
 

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