Icom IC-R75 Service Manual page 4

SECTION 1
M
GENERAL
• Frequency range
• Mode
• Receive system
• Intermediate frequencies
• Sensitivity
• selectivity
• Audio output power
• Antenna impedance
• Squelch sensitivity (threshold) :
• Current drain (13.8 V DC)
• Spurious and image rejection : More than 70 dB (0.1 – 1.799 MHz SSB, AM, S-AM are more than 60 dB)
• Dimensions
• Weight (approximate)
• Antenna connector
• CI-V connector
• PHONES connector
• External speaker connector
All stated specifications are subject to change without notice or obligation.
SPECIFICATIONS
:
Version
Frequency coverage
USA, EUR,
30 kHz – 60 MHz*
UK, OTH
SEA
30 kHz – 30 MHz
1
* Specifications guaranteed for 0.1 – 29.99 MHz and 50 – 54 MHz
2
* Specifications guaranteed for 0.1 – 29.99 MHz
: SSB (LSB, USB), AM, FM, CW, RTTY, S-AM
: Triple-conversion superheterodyne
:
SSB CW
1st (MHz) 69.0115 69.0106
2nd (MHz) 9.0115 9.0106
3rd (MHz) 0.4550 0.4559
May differ according to selected IF filter.
: 0.1 MHz – 1.799 MHz (Preamplifiers are OFF)
SSB, CW, RTTY less than 2.0 µV for 10 dB S/N
AM, S-AM less than 13.0 µV for 10 dB S/N
1.8 MHz – 27.99 MHz (The preamplifier 1 is ON)
SSB, CW, RTTY less than 0.16 µV for 10 dB S/N (typical)
AM, S-AM less than 2.0 µV for 10 dB S/N
28 MHz – 29.99 MHz (The preamplifier 1 is ON)
SSB, CW, RTTY less than 0.16 µV for 10 dB S/N (typical)
AM, S-AM less than 2.0 µV for 10 dB S/N
FM less than 0.5 µV for 12 dB SINAD
50 MHz – 54 MHz (The preamplifier 2 is ON)
SSB, CW, RTTY less than 0.13 µV for 10 dB S/N (typical)
AM, S-AM less than 1.0 µV for 10 dB S/N
FM less than 0.25 µV for 12 dB SINAD
: SSB, CW, RTTY More than 2.1 kHz/–6 dB
Less than 4.0 kHz/–60 dB
AM, S-AM More than 6.0 kHz/–6 dB
less than 20.0 kHz/–50 dB
FM More than 12.0 kHz/–6 dB
less than 30.0 kHz/–40 dB
: More than 2.0 W at 10 % distortion with an 8 Ω load
: 50 Ω or 450 Ω
Frequency (MHz)
0.1 – 1.799 less than 71 µV
1.8 – 27.99 less than 5.6 µV
28 – 29.99
50 – 54 less than 5.6 µV
1
*Preamplifiers are OFF; * Preamplifier 1 is ON; *
: Less than 1.3 A (Standby), Less than 1.5 A (Max. audio out)
: 241(W)×94(H)×229(D) mm; 9
: 3.0 kg; 6 lb 10 oz (AC adaptor "AD–55/A/V" is not included)
: SO-239 (50 Ω), push connection terminal (450 Ω)
1
: 2-connector 3.5 (d) mm (
: 3-conductor 6.35 (d) mm (
1
: 2-conductor 3.5 (d) mm (
1 - 1
1
2
*
RTTY AM, S-AM
69.0105 69.0100 69.0115
9.0105 9.0100 9.0115
0.4560 0.4500 0.4500
SSB FM
–
*
1
*
–
– less than 0.32 µV
2
*
less than 0.32 µV
2
Preamplifier 2 is ON
1 11 1
⁄ (W)×3 ⁄ (H)×9 ⁄ (D) inch (projection not included)
2 16 32
")/8 Ω
⁄
8
1 ⁄ ")
8
")/8 Ω
⁄
8
FM
1
*
2
*