Caracteristici

  • Compact Design
  • 100 Memory
  • Two VFOs
  • Computer control via optional ERW-4 cable and software
  • Direct Digital Synthesis: eliminates the need for SSB narrow filter
  • Easy Split Operation Mode
  • Multi-Function Control
  • CW Narrow Filters
(DX77T: CW CRYSTAL NARROW FILTER 500Hz EJ35U INSTALLED. DX77EQ: OPTIONAL)
  • Noise Blanker
  • Speech Processor
  • CTCSS for 10 meter reapters
  • Electronics Keyer, variable 6~50 WPM
(DX77T:Electric Keyer , variable 6 to 50WPM EJ33U installed. DX-77EQ: OPTIONAL)
  • Full, Semi or Auto Break-In CW
  • All Mode Squelch
  • General Coverage Receiver
  • Quick Offset
  • Two Scan Modes
  • RIT (Receiver Incremental Tuning)
  • High/Low Power setting control
  • Selectable AGC
  • RF Gain control (RX)
  • Dial Lock
  • Automatic Antenna Tuner Interface
  • Industry Standard Power Input Plug
  • MARS/CAP capability (permits required)

Receiver Coverage

500 KHz - 30 MHz

Transmit Coverage

160m 1.800 - 1.9999 MHz      80m 3.500 - 3.9999 MHz
40m 7.000 - 7.2999 MHz        30m 10.100 - 10.1499 MHz
20m 14.000 - 14.3499 MHz    17m 18.068 - 18.1679 MHz
15m 21.000 - 21.4499 MHz    12m 24.890 - 24.9899 MHz
10m 28.000- 29.6999 MHz

Operating Modes

J3E (USB/LSB), Al A (CW), A3E (AM), F3E (FM)

Operating Temperature Range

+14°F ~ +140°F or -10°C ~ +60°C

Frequency Stability

±10ppm

Antenna Impedance

50 ohms unbalanced

Power Requirement

13.8 VDC ± 15%

Memory Channels

100, each capable of split memories and operating mode

Current Drain at 13.8VDC

TX: approx 25 amps, max, high power setting
RX: approx.8 amps squelched; approx I amp at max audio

Dimensions (H, W, D)

246 mm x 94 mm x 228 mm

Weight

8.38 lbs or 3.8 kg

Output Power

SSB, CW, FM: 100W Hi, 10W low
AM: 40W Hi, 4W low

Modulation System

SSB - Balanced
AM - Low Level Modulation
FM - Variable Reactance

Sideband Suppression

More than 50 dB (at 1 KHz)

Spurious Emission

Less than -45 dB (10 MHz) Less than -50 dB (1.8 MHz - 30 MHz)

Carrier Suppression

More than 40 dB

CTCSS Encoder

50 Tones - switchable via front panel

Electronic Keyer

Variable 6 ~ 50 WPM
(DX77T:Electric Keyer , variable 6 to 50WPM EJ33U installed. DX-77EQ: OPTIONAL)

Microphone Impedance

2K Ohms

Receiver System

Dual-Conversion Superheterodyne
Triple Conversion Superheterodyne (FM)

Sensitivity

SSB, CW, FM: (0.5~1.8MHz) 0 dbµV (1µV)
(1.8~30MHz) -12dbµV (0.25uV)
AM: (1KHz, 30% modulation) (0.5~1.8MHz) +20dbµV (10µV)
(1.8~30MHz) +6dbµV (2µV)
FM: -6dbµV (0.5µV) @ 12db SINAD

Selectivity

SSB, CW, AM-Narrow: 2.7 KHz/-6 dB, 4.7 KHz /-60 dB
AM-Wide, FM: 8 KHz/-6 dB, 30 KHz/-50 dB

Intermediate Frequencies

1 st IF: 71.75 MHz
2nd IF: 8.875 MHz
3rd IF: 455 KHz

Spurious and image rejection ratio

More than 70dB

Audio Output

More than 2Watts at 8 ohms, 10% THD

RIT Range

± 1.0 KHzs