Icom ID-51A PLUS Instruction Manual - Page 103

■■Receiver • Receive system: Double-conversion superhetero- dyne • Intermediate frequencies: A Band 46.35 MHz (1st IF) 450 kHz (2nd IF) B Band 61.65 MHz (1st IF) 450 kHz (2nd IF) • Sensitivity (except spurious points): AM (1 kHz 30% MOD; 10 dB S/N) 0.520 to 0.995 MHz Less than 3.2 μV 1.000 to 1.710 MHz Less than 1.8 μV 108.000 to 136.995 MHz Less than 1.8 μV FM (1 kHz/3.5 kHz Dev.; 12 dB SINAD) 137.0 to 174.0 MHz Amateur band only Less than 0.18 μV Except for Amateur band Less than 0.32 μV 380.0 to 479.0 MHz Amateur band only Less than 0.18 μV Except for Amateur band Less than 0.32 μV WFM (1 kHz/52.5 kHz Dev.; 12 dB SINAD) 76.0 to 81.9 MHz Less than 3.2 μV 82.0 to 108.0 MHz Less than 1.8 μV DV (PN9/GMSK 4.8 kbps; BER 1%) 137.0 to 174.0 MHz Amateur band only Less than 0.28 μV 380.0 to 479.0 MHz Amateur band only Less than 0.28 μV SPECIFICATIONS • Audio output power (at 10% distortion): Internal speaker More than 0.4 W with a 16 Ω load External speaker More than 0.2 W with a 8 Ω load • Selectivity: FM (Wide) More than 55 dB FM (Narrow), DV More than 50 dB • Ext. speaker connector: 3-conductor 3.5(d) mm; (1⁄8˝)/8 W • Spurious and image rejection ratio: More than 60 dB • Squelch Sensitivity (except spurious points): AM (1 kHz 30% MOD; 10 dB S/N) (threshold) 0.520 to 0.995 MHz Less than 3.2 μV 1.000 to 1.710 MHz Less than 1.8 μV 108.000 to 136.995 MHz Less than 1.8 μV FM (1 kHz/3.5 kHz Dev.; 12 dB SINAD) (threshold) 137.0 to 174.0 MHz Amateur band only Less than 0.18 μV Except for Amateur band Less than 0.32 μV 380.0 to 479.0 MHz Amateur band only Less than 0.18 μV Except for Amateur band Less than 0.32 μV WFM (1 kHz/52.5 kHz Dev.; 12 dB SINAD) (threshold) 76.0 to 81.9 MHz Less than 3.2 μV 82.0 to 108.0 MHz Less than 1.8 μV 90 SPECIFICATIONS