DX-77T Specifications

일반적인 사양

수신 주파수

500 KHz - 30 MHz

송신 주파수

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

운용 가능 모드

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

운용 가능 온도 범위

+14'F ~ +140F or -10C ~ +60C

주파수 안정도

±10ppm

안테나 임피던스

50 ohms unbalanced

동작 전원

13.8 VDC ± 15%

메모리 채널

100, each capable of split memories and operating mode

Current Drain @ 13.8VDC

TX: approx 20 amps, max, high power setting
RX: approx.8 amps squelched; approx I amp @ max audio

Dimensions (H, W, D)

246 mm x 94 mm x 228 mm

무게

8.38 lbs or 3.8 kg

송신 부문

출 력

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 (@ 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

엘레 키

Variable 6 ~ 50 WPM

마이크 임피던스

2K Ohms

수신 부문

수신 시스템

Dual-Conversion Superheterodyne
Triple Conversion Superheterodyne (FM)

Sensitivity

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

오디오 출력

More than 2Watts @8 ohms, 1 0% THD

RIT Range

± 1.0 KHzs