Icom IC-7700 Instruction Manual - Page 201

Receiver, Antenna tuner - power loss

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15 SPECIFICATIONS AND OPTIONS 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 Ω load • PHONES connector : 3-conductor 6.35 (d) mm (1⁄4″) • EXT-SP connectors : 2-conductor 3.5 (d) mm (1⁄8″)/8 Ω D Antenna tuner • Matching impedance range • Minimum operating input • Tuning accuracy • Insertion loss (after tuning) : 16.7 to 150 Ω unbalanced (HF bands; VSWR better than 3:1) 20 to 125 Ω unbalanced (50 MHz band; VSWR better than 2.5:1) : 8 W (HF bands) 15 W (50 MHz band) : VSWR 1.5:1 or less : Less than 1.0 dB *The LCD display may have cosmetic imperfections that appear as small or dark spots. This is not a malfunction or defect, but a normal characteristic of LCD displays. Spurious signals may be received near the following frequencies. These are made in the internal circuit and does not indicate a transceiver malfunction. • 0.15 MHz • 0.23 MHz 0.31 MHz • 10 MHz Spurious signals may be displayed on the spectrum scope screen regardless of the transceiver's state (Tx or Rx). They are generated in the scope circuit. This does not indicate a transceiver malfunction. All stated specifications are typical and subject to change without notice or obligation. 15-3

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15-3
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
Ω
load
• PHONES connector
:
3-conductor 6.35 (d) mm (
1
∕
4
″
)
• EXT-SP connectors
:
2-conductor 3.5 (d) mm (
1
∕
8
″
)/8
Ω
D
Antenna tuner
• Matching impedance range
:
16.7 to 150
Ω
unbalanced
(HF bands; VSWR better than 3:1)
20 to 125
Ω
unbalanced
(50 MHz band; VSWR better than 2.5:1)
• Minimum operating input
:
8 W
(HF bands)
15 W
(50 MHz band)
• Tuning accuracy
:
VSWR 1.5:1 or less
• Insertion loss
(after tuning)
:
Less than 1.0 dB
15
SPECIFICATIONS AND OPTIONS
*The LCD display may have cosmetic imperfections that appear as small or dark spots. This is not a malfunction
or defect, but a normal characteristic of LCD displays.
Spurious signals may be received near the following frequencies. These are made in the internal circuit and does
not indicate a transceiver malfunction.
• 0.15 MHz
• 0.23 MHz
0.31 MHz
• 10 MHz
Spurious signals may be displayed on the spectrum scope screen regardless of the transceiver’s state (Tx or
Rx). They are generated in the scope circuit. This does not indicate a transceiver malfunction.
All stated specifications are typical and subject to change without notice or obligation.