Icom IC-7610 Service Manual page 5

Receiver
● Receive system
● Intermediate frequency
● Receive sensitivity
(For USA and EXP/Filter shape=Soft)
SSB/CW 1.8 MHz~29.999 MHz
50 MHz band
AM 0.5 MHz~1.799 MHz
1.8 MHz~29.999 MHz
50 MHz band
FM 28.0 MHz~29.7 MHz
50 MHz band
● Receive sensitivity
(For EUR/Filter shape=Soft)
SSB/CW (BW=2.4 kHz)
1.8 MHz~2.999 MHz
3.0 MHz~29.999 MHz
50 MHz band
AM (BW=4 kHz/60% Mod.)
1.8 MHz~2.999 MHz
3.0 MHz~29.999 MHz
50 MHz band
FM (BW=7 kHz/60% Mod.)
28 MHz~29.7 MHz
50 MHz band
● Squelch sensitivity
SSB
FM
● Selectivity (Filter shape=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 ratio
HF bands
50 MHz band
● Audio output power
● Audio output impedance
● RIT variable range
Antenna tuner
● Matching impedance range
● Tuning time
● Tuning accuracy
Direct sampling superheterodyne system
12 kHz
–16 dBμ (0.16 μV) typ. (10 dB S/N) (Preamp1 ON)
–18 dBμ (0.13 μV) typ. (10 dB S/N) (Preamp2 ON)
+16 dBμ (6.3 μV) typ. (10 dB S/N) (Preamp1 ON)
+6 dBμ (2.0 μV) typ. (10 dB S/N) (Preamp1 ON)
0 dBμ (1.0 μV) typ. (10 dB S/N) (Preamp2 ON)
–6 dBμ (0.5 μV) typ. (12 dB SINAD) (Preamp1 ON)
–10 dBμ (0.32 μV) typ. (12 dB SINAD) (Preamp2 ON)
Less than +10 dBµV emf (12 dB SINAD) (Preamp1 ON)
Less than 0 dBµV emf (12 dB SINAD) (Preamp1 ON)
Less than –6 dBµV emf (Preamp2 ON)
Less than +16 dBµV emf (12 dB SINAD) (Preamp1 ON)
Less than +6 dBµV emf (12 dB SINAD) (Preamp1 ON)
Less than 0 dBµV emf (12 dB SINAD) (Preamp2 ON)
Less than 0 dBµV emf (12 dB SINAD) (Preamp1 ON)
Less than –6 dBµV emf (12 dB SINAD) (Preamp2 ON)
Less than +10 dBμ (3.2 μV)
Less than –10 dBμ (0.32 μV)
More than 2.4 kHz/–6 dB, Less than 3.6 kHz/–60 dB
More than 500 Hz/–6 dB, Less than 700 Hz/–60 dB
More than 500 Hz/–6 dB, Less than 700 Hz/–60 dB
More than 6.0 kHz/–6 dB, Less than 15 kHz/–60 dB
More than 12.0 kHz/–6 dB, Less than 20 kHz/–60 dB
70 dB
70 dB (Except for ADC aliasing)
More than 2 W (at 10% distortion into an 8 Ω load)
8 Ω
±9.999 kHz
16.7 Ω~150 Ω (unbalanced) (VSWR 3:1 or less)
2~3 seconds (average/15 seconds maximum)
VSWR 1.5:1 or less
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