Alinco DX70TH Specifications

Alinco DX-70TH
Specifications

Discontinued Amateur HF Transceivers

DX-70TH Specifications

GENERAL

Receiver Coverage

150 kHz - 30 MHz and 50 - 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 50.000 - 53.9999 MHz

Operating Modes

J3E (USB/LSB), A1A (CW), A3E (AM), F3E (FM)

Operating Temperature Range

+14° to +140° F or -10° to +60°C

Frequency Stability

±10ppm -10° to +50°C

Antenna Impedance

50 ohms unbalanced

Power Requirement

13.8 VDC ± 15%

Memory Channels

100

Current Drain @ 13.8VDC

Transmit 25 amps
Receive 1 amp

Dimensions (W, H, D)

7 x 2.25 x 9.2 inches (178 mm x 71 mm x 228 mm)

Weight

6 Lbs (2.7 kg)

TRANSMITTER

Output Power

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

Modulation System

SSB - Balanced
AM - Low Power Modulation
FM- Reactance Modulation

Sideband Suppression

More than 50 dB (@ 1 KHz)

Spurious Emission

Less than -45 dB (10 MHz)
Less than -50 dB (1.8 - 30 MHz)
Less than -60 dB (50 - 54 MHz)

Carrier Suppression

More than 40 dB

Microphone Impedance

2K Ohms

RECEIVER

Receiver System

Dual-Conversion Superheterodyne

Sensitivity

SSB, CW, FM: (0.5-1.8 MHz) 0 dbuV (1uV)
(1.8-30 MHz) -12 dbuV (0.25uV)
(50-54 MHz) -16 dbuV (0.15uV)
AM: (1 kHz, 30% modulation) (0.5-1.8 MHz) +20 dbuV (10uV)
(1.8-30 MHz) +6 dbuV (2uV)
(50-54 MHz) -10 dbuV (0.3uV)
FM: (28-30 MHz) -6 dbuV (0.5uV) @ 12db SINAD
(50-54 MHz) -10 dbuV (0.3uV)

Selectivity

SSB, AM-Narrow: 2.4 kHz/-6 dB, 4.5 kHz/-60 dB
SSB-Narrow, CW-Standard: 1.0 kHz/-6 dB, 3.0 kHz/-60 dB
CW-Narrow: 0.5 kHz/-6 dB,
AM-Standard, FM: 9 kHz/-6 dB, 20 kHz/-50 dB

Intermediate Frequencies

1 st IF: 71.75 MHz
2nd IF: 455 kHz

Spurious and image rejection ratio

More than 70dB

Audio Output

More than 2 Watts @8 ohms, 10% THD

Specifications are subject to change without notice.