Icom IC-78 Instruction Manual - Page 45

10 SPECIFICATIONS s GENERAL • Frequency range : Rx 0.030000-29.999999 MHz*1 Tx 1.600000-29.999999 MHz*2 *1Guaranteed range: 0.5-29.999999 MHz *2Not guaranteed for some frequency bands • Mode : USB, LSB, CW, RTTY, AM • No. of memory channels : 99 (Duplex) +1 call • Frequency stability : Less than ±200 Hz from 1 min. to 60 min. after power ON. After that rate of stability less than ±30 Hz/hr. at +25˚C (+77˚F). Temperature fluctua- tions 0˚C to +50˚C (+32˚F to +122˚F) less than ±350 Hz • Power supply requirement (negative ground) 13.8 V DC ±15 % • Current drain (at 13.8 V DC): Receive Stand-by 1.3 A max. audio 2.0 A Transmit max. power 20.0 A • Operating temp. range: -10˚C to +60˚C ; +14˚F to +140˚F • Antenna connector : SO-239 (50 Ω) • Dimensions : 240(W)×95(H)×239(D) mm (projections not included) 97⁄16(W)×33⁄4(H)×913⁄32(D) in • Weight (approx.) : 3.8 kg; 8 lb 6 oz • ACC connector : 13-pin s TRANSMITTER • Modulation system : SSB Balanced modulation AM Low level modulation • Output power : SSB, CW, RTTY 2-100 W AM 2-40 W • Spurious emissions : Less than -46 dB below peak output power • Carrier suppression : More than 40 dB • Unwanted sideband : More than 50 dB • Microphone connector : 8-pin connector (600 Ω) s RECEIVER • Receiver system : Double-conversion superheterodyne • Sensitivity (10 dB S/N) : SSB, CW, RTTY 0.16 µV (1.600-29.999999 MHz) (0.5 µV at 12 dB SINAD) AM 13 µV (0.5-1.599999 MHz) 2 µV (1.600-29.999999 MHz) • Selectivity : SSB, CW, RTTY More than 2.1 kHz/-6 dB Less than 4.5 kHz/-60 dB AM More than 6.0 kHz/-6 dB Less than 20 kHz/-40 dB • Spurious and image rejection ratio: (1.600-29.999999 MHz) More than 70 dB • Audio output power : More than 2.0 W at 10% (at 13.8 V DC) distortion with an 8 Ω load • RIT variable range : ±1200 Hz • PHONES connector : 3-conductor 6.5 (d) mm (1⁄4″) • Ext. SP connector : 2-conductor 3.5 (d) mm (1⁄8″) /8 Ω All stated specifications are typical and subject to change without notice or obligation. 43