Antenna Tuner - Icom IC-7300 Service Manual

M Receiver
• Receive system:
• Intermediate frequency:
• Sensitivity (Filter: SOFT):
SSB/CW (at 10 dB S/N)
1.8 ~ 29.999999 MHz
50 MHz band
70 MHz band*
2
AM (at 10 dB S/N)
0.5 ~ 1.8 MHz
1.8 ~ 29.999999 MHz
50 MHz and 70 MHz bands
FM (at 12 dB SINAD)
28.0 ~ 29.7 MHz
50 MHz and 70 MHz bands
• Squelch sensitivity (threshold):
SSB
FM
• Selectivity (Filter: SHARP):
SSB (BW=2.4 kHz)
CW (BW=500 Hz)
RTTY (BW=500 Hz)
AM (BW=6 kHz)
FM (BW=15 kHz)
• Spurious and image rejection:
• Audio output power:
• Output impedance (Speaker):
• RIT variable range:
M Antenna tuner
• Tunable impedance range:
• Tuning accuracy:
• Tuning time (approximately):
LAll stated specifications are typical and subject to change without notice or obligation.
Direct sampling superheterodyne
36 kHz
Less than –123 dBm (0.16 μV)
Less than –125 dBm (0.13 μV)
Less than –123 dBm (0.16 μV)
* Depending on the transceiver version.
2
Less than –85 dBm (12.6 μV)
Less than –101 dBm (2.0 μV)
Less than –107 dBm (1.0 μV)
Less than –113 dBm (0.5 μV)
Less than –119 dBm (0.25 μV)
Less than –92 dBm (5.6 μV)
Less than –117 dBm (0.3 μV)
(HF band: P.AMP1 ON, 50 MHz band: P.AMP2 ON)
More than 2.4 kHz/–6 dB
Less than 3.4 kHz/–40 dB
More than 500 Hz/–6 dB
Less than 700 Hz/–40 dB
More than 500 Hz/–6 dB
Less than 800 Hz/–40 dB
More than 6.0 kHz/–6 dB
Less than 10 kHz/–40 dB
More than 12.0 kHz/–6 dB
Less than 22 kHz/–40 dB
More than 70 dB (except for ADC aliasing)
More than 2.5 W (at 10% distortion into the 8 Ω load, at the 1 kHz reference)
8 Ω
±9.999 kHz
16.7~150 Ω (unbalanced) (less than 3:1 VSWR)
Less than 1.5:1 VSWR
2~3 seconds (average)
15 seconds (maximum)
1-2
(P.AMP1 ON)
(P.AMP2 ON)
(P.AMP2 ON)
(P.AMP1 ON)
(P.AMP1 ON)
(P.AMP2 ON)
(P.AMP1 ON)
(P.AMP2 ON)