| Specifications |
| 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 ~ +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) |
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 (at 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) at S/N 10 dB (0.5 - 1.8 Mhz) better than 0 dBp (1 uV) at S/N 10 dB AM (1.8 - 54 MHz)\befter than +6 dBu (2uV) at S/Nl 0 dB FM (28 - 30 MHz) better than -6 dBu (0.5 uV) at 12 dB SINAD (50 - 54 MHz) better than -1 0 dBu (0.3 uV) at 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 at 8 ohms, 1 0% THD |
| RIT/-TXIT Range |
± 1.4 KHzs |