| GENERAL |
| Receiver
Coverage |
150
KHz - 30 MHz and 50 MHz - 54 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 |
6m
50.0000 - 53.9999 MHz |
|
| Operating
Modes |
J3E
(USB/LSB), Al A (CW), A3E (AM), F3E (FM) |
| |
| Operating
Temperature Range |
+14'F
~ +140F or -10C ~ +60C |
| 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 @ 13.8VDC |
TX:
approx 25 amps, max, high power setting
RX: approx.8 amps squelched; approx I amp @ max audio |
| Dimensions
(H, W, D) |
7"
x 2.25" x 9.02 or 178 mm x 58mm x 230mm |
| Weight |
5.95
lbs or 2.7 kg |
| TRANSMITTER |
| Output
Power |
DX-70TH
(SSB, CW, FM) 1.8MHz-30MHz and 5OMHz-54MHz: 100 Watts
DX-70TH (AM) 1.8 MHz - 30 MHz and 50 MHz - 54 MHz: 40
Watts
DX-70T (SSB, CW, FM) 1.8MHz-30MHz 100 Watts; 50MHz-54MHz:
10 Watts
DX-70T (AM) 1.8 MHz - 30 MHz 40 Watts; 5OMHz - 54 MHz: 4
Watts |
| 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)
Less than -60 dB (50 MHz - 54 MHz) |
| Carrier
Suppression |
More
than 40 dB |
| CTCSS
Encoder |
38
Tones, Encoder Standard on DX-70TH and DX-70T |
| RECEIVER |
| Receiver
System |
Dual-Conversion
Superheterodyne |
| Sensitivity |
SSB,
CW (1.8 - 54 MHz) better than 12 dBu (0.25uV) @ S/N 10 dB
(0.5 - 1.8 Mhz) better than 0 dBp (1 uV) @ S/N 10 dB
AM (1.8 - 54 MHz)\befter than +6 dBu (2uV) @ S/Nl 0 dB
FM (28 - 30 MHz) better than -6 dBu (0.5 uV) @ 12 dB SINAD
(50 - 54 MHz) better than -1 0 dBu (0.3 uV) @ 12 dB SINAD |
| Selectivity |
SSB,
AM-Narrow: 2.4 KHz/-6 dB, 4.5 KHz /-60 dB
SSB-Narrow, CW-Wide: 1.0 KHz/-6 dB, 3.0 KHz/-60 dB
CW-Narrow: 500 H71 -6 dB, 3.0 KHz/ -60 dB
AM-Wide, FM: 9 KHz/-6 dB, 20 KHz/-50 dB |
| Intermediate
Frequencies |
1
st IF: 72.75 MHz
2nd IF: 455 KHz |
| Spurious
and image rejection ratio |
More
than 70dB |
| Audio
Output |
More
than 2Watts @8 ohms, 1 0% THD |
| RIT/-TXIT
Range |
±
1.4 KHzs |