Icom IC-R20 Instruction Manual - Page 92

15 SPECIFICATIONS D GENERAL • Frequency coverage : (Unit: MHz) USA 0.150-821.999, 851.000-866.999, 896.000-1304.999, 1305.000-3304.999 France 0.150-29.999, 50.200-51.200, 87.500-108.000, 144.000-146.000, 430.000-440.000, 1240.000-1300.000 Other than above 0.150-1304.999, 1305.000-3304.999 • Number of memory channels : 1250 (incl. 50 scan edges and 200 auto write channels) • Receive modes : FM, AM, WFM, USB, LSB, CW • Frequency resolution : 0.01, 0.1, 1, 5, 6.25, *8.33,*9, 10, 12.5, 15, 20, 25, 30, 50, 100 kHz *selectable depending on the operating frequency band. • Operating temperature range : -10°C to +60˚C; +14˚F to +140˚F • Reference frequency stability : ±6 ppm (-10˚C to +60˚C; +14˚F to +140˚F) • Power supply requirement : 3 AA (R6) alkaline cells, (Negative ground) BP-206 Li-ion battery pack or 6.0 V DC ±5% (with AC adaptor, BC-149A/D or CP-18A/E) • Current drain (Single band operation with BP-206 (3.7 V DC) without operating IC recorder): max. audio 150 mA typical receive standby 100 mA typical power saved 35 mA typical • Antenna connector : BNC (50 Ω) • Dimensions (proj. not included) : 60(W) × 142(H) × 34.8(D) mm 23⁄8(W)×519⁄32(H)×13⁄8(D) in • Weight (approx.) : 320 g; 11.3 oz (with the ant. and BP-206) • AF output power (at 3.7 V DC) : 100 mW typical at 10% distortion with an 8 Ω load • Ext. speaker connector : 3-conductor 3.5 (d) mm (1⁄8″)/8 Ω All stated specifications are subject to change without notice or obligation. 79 D RECEIVER • Receive system : Triple-conversion superheterodyne and down converter • Intermediate frequencies : 1st: 266.7 MHz and 429.1 MHz, 2nd: 19.65 MHz, 3rd: 450 kHz • Sensitivity (Receiving on single band operation, except spurious points) : FM (1 kHz/3.5 kHz Dev.; 12 dB SINAD) 1.620-4.999 MHz Less than 0.56 µV 5.000-221.999 MHz Less than 0.4 µV 330.000-832.999 MHz Less than 0.56 µV 833.000-1304.999 MHz Less than 0.71 µV 1330.000-2304.999 MHz Less than 5.6 µV 2330.000-2999.999 MHz Less than 18 µV WFM (1 kHz/52.5 kHz Dev.; 12 dB SINAD) 76.000-108.000 MHz Less than 1.8 µV 175.000-221.999 MHz Less than 1.8 µV 470.000-769.999 MHz Less than 2.5 µV AM (1 kHz/30% MOD.; 10 dB S/N) 0.495-4.999 MHz Less than 2.2 µV 5.000-29.999 MHz Less than 1.4 µV 118.000-135.999 MHz Less than 1.4 µV SSB/CW (10 dB S/N) 0.495-4.999 MHz Less than 0.4 µV 5.000-29.999 MHz Less than 0.25 µV 50.000-53.999 MHz Less than 0.25 µV 118.000-146.999 MHz Less than 0.25 µV 330.000-469.999 MHz Less than 0.32 µV • Selectivity : AM/FM More than 12 kHz/-6 dB Less than 30 kHz/-60 dB WFM More than 150 kHz/-6 dB SSB/CW More than 1.8 kHz/-6 dB