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IC-78

HF Transceiver

specifications

Specifications

General

Frequency range

Rx

Tx

 

0.030-29.999999 MHz*1

1.6-29.999999 MHz*2

*1 Guaranteed range: 0.5-29.999999 MHz
*2 Not guaranteed for some frequency bands
Mode USB, LSB, CW, RTTY (FSK), AM
Number of memory Ch. 99 (duplex) + 1 call channel
Frequency stability

Less than ±200 Hz from 1 minute to 60 minutes after power on.
After that rate of stability less than ±30 Hz/hr. at +25°C (+77°F).
Temperature fluctuations 0°C to +50°C (+32°F to +122°F) less than ±350 Hz.

Power supply requirement 13.8 V DC ±15% (negative ground)

Current drain

(at 13.8 V DC)

Rx Stand-by 1.3 A
  max audio 2.0 A
 Tx max. power 20.0A
Usable temperature range -10°C to +60°C (+14°F to+140°F)
Antenna connector SO-239 (50Ω)

Dimensions

(projections not included)

240mm (W) x 95mm (H) x 239mm (D)

97/16in (W) x 33/4in (H) x 913/32in (D)

Weight 3.8 kg; 8 lb 6 oz
ACC connector 13-pin
REMOTE connector 2-conductor 3.5 (d) mm; (1/8")
Transmitter

Modulation system

  SSB

  AM

 

Balanced modulation

Low level modulation

Output power

  SSB, CW, RTTY

  AM

 

2-100W

2-40W

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 (600Ω)
KEY connector 3 conductor 6.5 (d) mm (1/4")
SEND connector Phono (RCA)
ALC connector Phono (RCA)
Receiver
Receive system Double-conversion superheterodyne

Sensitivity (10 dB S/N)

  SSB, CW, RTTY

 

 AM

 

0.16 µV (1.6-29.999999 MHz)

(0.5 µV at 12 dB SINAD)

13 µV (0.5-1.599999 MHz)

2 µV (1.6-29.999999 MHz)

SQL sensitivity Less than 5.6 µV (SSB)

Selectivity

  SSB, CW, RTTY

 

  AM

 

More than 2.1 kHz/-6 dB

Less than 4.5 kHz/-60 dB

More than 6.0 kHz/-6 dB

Less than 20 kHz/-40 dB

Spurious and Image Rejection More than 70 dB (1.6-29.999999 MHz)

Audio Output Power

(at 13.8 V DC)

More than 2.0W at 10% distortion with an 8Ω 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") / 8Ω

All stated specifications are subject to change without notice or obligation.

Supplied Accessories

  • Hand microphone
  • DC power cable
  • Spare fuse