Icom IC-A23 Service Manual page 4

SECTION 1
' ' GENERAL
• Frequency coverage
• Type of emission
• Channel spacing
• Memory channels
• Power supply requirement
• External power supply requirement
• Current drain (at 9.6 V DC)
• Operating temperature range
• Frequency stability
• Antenna connector
• Dimensions (projections not included)
• Weight (with ant., BP-200L)
' ' TRANSMITTER
• RF output power (at 9.6 V DC)
(with supplied battery pack)
• Modulation system
• Modulation limiting
• Audio harmonic distortion
• Hum and noise ratio
• Spurious emissions
• Microphone impedance (MIC)
' ' RECEIVER
• Receive system
• Intermediate frequencies
• Sensitivity
• Threshold squelch sensitivity
• Selectivity
• Spurious response rejection ratio
• Audio power output (at 9.6 V DC)
• Hum and noise
• Audio output impedance
• Ext. speaker connector
Specifications are measured in accordance with FCC Part87.
All stated specifications are subject to change without notice or obligation.
SPECIFICATIONS
: TX 118.000–136.975 MHz
RX 108.000–136.975 MHz *
WX 161.650–163.275 MHz *
1
* : IC-A23 only, IC-A5; 118.000–136.975 MHz
* 2 : U.S.A version only
: 6K00A3E, 16K0G3E (Weather channel; [USA] version only)
: 25 kHz
: 20 channels
: 9.6 V DC (supplied battery pack)
: 9.6 V–12.0 V DC (negative ground)
: Transmit
Receive
: –10˚C to +60˚C; +14˚F to +140˚F
: ±17 ppm (–10˚C to +60˚C)
: BNC type (50 Ω nominal)
: 58(W) 107(H)
: 340 g; 12 oz.
: 5.0 W (PEP) typical, 1.5 W (CW) typical.
: Low level modulation
: 70–100% of max. deviation
: Less than 10 % (at 60 % modulation)
: More than 35 dB
: More than 60 dB
: 150 Ω
: Double conversion superheterodyne system
: 1st 30.05 MHz
2nd 450 kHz
: Less than 1.0 µV at 6 dB S/N (AM)
Less than 1.0 µV at 12 dB S/N (FM)
: Less than 0.71 µV (AM)
Less than 0.22 µV (FM)
: More than 7.5 kHz/–6 dB
Less than 25 kHz/–60 dB
: More than 60 dB
: More than 500 mW at 10 % distortion with an 8 Ω load
: More than 25 dB
: 8 Ω
: 3-conductor 3.5(d) mm (
1
1
10 banks
1.8 A max.
1.1 A typical
500 mA max. (AF max.)
70 mA typical (stand-by)
28.5(D) mm; 2 5 ⁄ (W)
16
")/8 Ω
1 ⁄
8
1 - 1
4 7 ⁄ (H) 1 1 ⁄ (D) in.
32 8