D Antenna Tuner - Icom IC-7700 Service Manual

D Receiver
• Receive system
• Intermediate frequencies
• Sensitivity (typical)
SSB, CW, RTTY (BW=2.4 kHz, 10 dB S/N)
AM (BW=6 kHz, 10 dB S/N)
FM (BW=15 kHz, 12 dB SINAD)
• Internal Modulate Distortion (typical)
• Selectivity
SSB, RTTY (BW=2.4 kHz)
CW (BW=500 Hz)
AM (BW=6 kHz)
FM (BW=15 kHz)
• Spurious and image rejection ratio
• Squelch sensitivity (pre-amp OFF)
SSB, CW, RTTY, PSK31
FM
• RIT variable range
• Audio output power
• PHONES connector
• EXT-SP connectors

D Antenna tuner

• Matching impedance range
• Minimum operating input
• Tuning accuracy
• Insertion loss (after tuning)
All stated specifications are typical and subject to change without notice or obligation.
fineline6
1st
2nd
0.100000– 1.799999 MHz
1.800000– 29.990000 MHz
50.000000– 54.000000 MHz
0.100000– 1.799999 MHz
1.800000– 29.990000 MHz
50.000000– 54.000000 MHz
28.000000– 29.990000 MHz
50.000000– 54.000000 MHz
: Double conversion superheterodyne system
:
64.455 MHz
36 kHz
:
0.5 µV
(pre-amp 1 ON)
0.16 µV
(pre-amp 1 ON)
0.13 µV
(pre-amp 2 ON)
6.3 µV
(pre-amp 1 ON)
2 µV
(pre-amp 1 ON)
1 µV
(pre-amp 2 ON)
0.5 µV
(pre-amp 1 ON)
0.32 µV
(pre-amp 2 ON)
: Dynamic range 109 dB
(at 14.100 MHz, 100 kHz separation, pre-amp OFF,
CW mode; BW=500 Hz)
:
More than 2.4 kHz/–3 dB
Less than 3.6 kHz/–60 dB
More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
More than 6.0 kHz/–3 dB
Less than 15.0 kHz/–60 dB
More than 12.0 kHz/–6 dB
Less than 20.0 kHz/–60 dB
: More than 70 dB
:
Less than 5.6 µV
Less than 1 µV
: ±9.999 kHz
: More than 2.6 W
at 10% distortion with an 8
: 3-conductor 6.35 (d) mm (
: 2-conductor 3.5 (d) mm (
: 16.7 to 150 unbalanced
(HF bands; VSWR better than 3:1)
20 to 125 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
1 - 2
load
1 ⁄ )
4
1 ⁄ )/8
8