Icom IC-7100, Дополнение к руководству по обслуживанию, Страница: 3 / 294

1-2
D
Receiver
• Receive system
SSB/CW/RTTY/AM/FM/DV:
Triple superheterodyne system
WFM: Double superheterodyne system
• Intermediate frequencies
1st: 124.487 MHz
(SSB/CW/RTTY/AM/FM/DV)
134.732 MHz (WFM)
2nd: 455 kHz
(SSB/CW/RTTY/AM/FM/DV)
10.7 MHz (WFM)
3rd: 36 kHz
(SSB/CW/RTTY/AM/FM/DV)
• Sensitivity
For all versions
S SB, CW (10 dB S/N):
1.80~29.9950 MHz Less than 0.15 µV *
1
50 MHz band Less than 0.12 µV *
2
70 MHz band Less than 0.15 µV *
2
144/430 MHz bands Less than 0.11 µV *
3
A M (10 dB S/N):
0.5~1.8 MHz Less than 13 µV *
1
1.80~29.9950 MHz Less than 2 µV *
1
50/70 MHz bands Less than 1 µV *
2
144/430 MHz bands Less than 1 µV * 3
F M (12 dB SINAD):
28.0~29.7 MHz Less than 0.5 µV *
1
50/70 MHz bands Less than 0.25 µV *
2
144/430 MHz bands Less than 0.18 µV *
3
W FM (12 dB SINAD):
76~108 MHz Less than 10 µV *
3
D V (1% BER):
28.0~29.7 MHz Less than 1 µV *
1
50/70 MHz bands Less than 0.63 µV *
2
144/430 MHz bands Less than 0.35 µV *
3
*
1
Preamp 1 is ON, *
2
Preamp 2 is ON, *
3
Preamp is ON
For European versions
S SB (BW=2.4 kHz, 12 dB SINAD):
1.80~29.9999 MHz Less than 10 dBµV emf *
1
3.0~29.9950 MHz Less than 0 dBµV emf * 1
50/70 MHz bands Less than –6 dBµV emf * 2
144/430 MHz bands Less than –6 dBµV emf * 3
A M (BW=4 kHz, 60% Modulation,12 dB SINAD):
0.5~2.9999 MHz Less than 16 dBµV emf * 1
3.0~29.9950 MHz Less than 6 dBµV emf * 1
50/70 MHz bands Less than 0 dBµV emf * 2
144/430 MHz bands Less than 0 dBµV emf *
3
F M (BW=7 kHz, 60% Modulation, 12 dB SINAD):
28.0~29.7 MHz Less than 0 dBµV emf * 1
50/70 MHz bands Less than –6 dBµV emf * 2
144/430 MHz bands Less than –6 dBµV emf *
3
* 1 Preamp 1 is ON, * 2 Preamp 2 is ON, * 3 Preamp is ON
• Squelch sensitivity
Frequency band Squelch sensitivity
HF*
1
SSB : Less than 5.6 µV
FM : Less than 0.3 µV
50/70 MHz*
2
SSB : Less than 5.6 µV
FM : Less than 0.3 µV
144/430 MHz* 3
SSB : Less than 5.6 µV
FM : Less than 0.3 µV
* 1 Preamp 1 is ON, * 2 Preamp 2 is ON, * 3 Preamp is ON
• Selectivity (IF filter shape is set to SHARP.)
SSB (BW: 2.4 kHz): More than 2.4 kHz/–6 dB
Less than 3.4 kHz/–40 dB
CW (BW: 500 Hz): More than 500 Hz/–6 dB
Less than 700 Hz/–40 dB
RTTY (BW: 500 Hz): More than 500 Hz/–6 dB
Less than 800 Hz/–40 dB
AM (BW: 6 kHz): More than 6.0 kHz/–6 dB
Less than 10.0 kHz/–40 dB
FM (BW: 15 kHz): More than 12.0 kHz/–6 dB
Less than 22.0 kHz/–40 dB
DV (CH space: 12.5 kHz): More than –50 dB
• Spurious and image rejection ratio
HF band: More than 70 dB
50/70 MHz bands*: More than 70 dB
* except 1/2 IF through on
50/70 MHz bands
144/430 MHz bands*: More than 65 dB
* except IF through on 144 MHz
band
•
AF output power: More than 2.0 W at 10%
distortion into the 8 Ω load
• AF output impedance: 8 Ω
• RIT variable range:
±9.999 kHz
• PHONES connector: 3-conductor 3.5 (d) mm (⅛″)
• External SP connector: 2-conductor 3.5 (d) mm (⅛″)/
8 Ω
•
DSP ANF attenuation: More than 30 dB
(with 1 kHz single tone)
•
DSP MNF attenuation: More than 70 dB
•
DSP NR attenuation: More than 6 dB
(noise rejection in SSB)
All stated specifications are typical and subject to change without notice or obligation.