Icom IC-7700

1 - 2
D
Receiver
• Receive system : Double conversion superheterodyne system
• Intermediate frequencies :
1st 64.455 MHz
2nd 36 kHz
• Sensitivity (typical) :
SSB, CW, RTTY (BW=2.4 kHz, 10 dB S/N)
0.100000– 1.799999 MHz 0.5 µV
(pre-amp 1 ON)
1.800000–29.990000 MHz 0.16 µV
(pre-amp 1 ON)
50.000000–54.000000 MHz 0.13 µV (pre-amp 2 ON)
AM (BW=6 kHz, 10 dB S/N)
0.100000– 1.799999 MHz 6.3 µV
(pre-amp 1 ON)
1.800000–29.990000 MHz 2 µV (pre-amp 1 ON)
50.000000–54.000000 MHz 1 µV
(pre-amp 2 ON)
FM (BW=15 kHz, 12 dB SINAD)
28.000000–29.990000 MHz 0.5 µV (pre-amp 1 ON)
50.000000–54.000000 MHz 0.32 µV (pre-amp 2 ON)
• Internal Modulate Distortion (typical) : Dynamic range 109 dB
(at 14.100 MHz, 100 kHz separation, pre-amp OFF,
CW mode; BW=500 Hz)
• Selectivity :
SSB, RTTY (BW=2.4 kHz) More than 2.4 kHz/–3 dB
Less than 3.6 kHz/–60 dB
CW (BW=500 Hz) More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
AM (BW=6 kHz) More than 6.0 kHz/–3 dB
Less than 15.0 kHz/–60 dB
FM (BW=15 kHz) More than 12.0 kHz/–6 dB
Less than 20.0 kHz/–60 dB
• Spurious and image rejection ratio : More than 70 dB
• Squelch sensitivity (pre-amp OFF) :
SSB, CW, RTTY, PSK31 Less than 5.6 µV
FM Less than 1 µV
• RIT variable range : ±9.999 kHz
• Audio output power : More than 2.6 W at 10% distortion with an 8 1 load
• PHONES connector : 3-conductor 6.35 (d) mm (
1
⁄4w)
• EXT-SP connectors : 2-conductor 3.5 (d) mm (
1
⁄8w)/8 1
D
Antenna tuner
• Matching impedance range : 16.7 to 150 1 unbalanced
(HF bands; VSWR better than 3:1)
20 to 125 1 unbalanced
(50 MHz band; VSWR better than 2.5:1)
• Minimum operating input : 8W (HF bands)
15 W (50 MHz band)
• Tuning accuracy : VSWR 1.5:1 or less
• Insertion loss (after tuning) : Less than 1.0 dB
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All stated specifications are typical and subject to change without notice or obligation.