Descriptions
・Covers the 1.8 MHz to 50 MHz bands
30 m, 98.4 ft or longer antenna: 1.8 – 54 MHz, 7 m, 23 ft or longer antenna: 3.5 – 54 MHz
* Depending on operating conditions or environments, the tuner may not be able to tune the antenna.
・SO-239 antenna connector for 50 Ω antenna such as dipole or Yagi
・“Terminal connector”, binding post socket adapter supplied for a long wire antenna
・2-way power sources using alkaline batteries or external 13.8 V DC*
* 13.8 V DC should be taken directly from an external power supply, not through the IC-705.
・IP54 dust-protection and water resistance construction*
* The connectors should be covered with an adhesive tape or a jack cover to prevent water seeping into the connection.
・Full automatic tuning, just push the [TUNER] button on the IC-705
・Latching relays used for saving power consumption
・190 × 105 × 40 mm; 7.5 × 4.1 × 1.6 in, 450 g; 15.8 oz* compact design
* Battery cells are not included.
Example
SWR examples for a 7 m (23 ft) long wire antenna
SWR examples for a 50 MHz Yagi antenna (2-elements)
Introduction for Icom AH-705 Automatic Antenna Tuner
Specifications
| Tunable frequency range | 1.8 – 54 MHz (with a 30 m, 98.4 ft or longer wire antenna) 3.5 – 54 MHz (with a 7 m, 23 ft or longer wire antenna) |
|---|---|
| Maximum input power | 10 W |
| Input impedance | 50 Ω |
| Power requirement for tuning | 5 W, 10 W |
| Tuning time (approximate) | Average: 2 – 3 seconds Maximum: 15 seconds |
| Power supply requirement | Battery: 3.0 V DC (LR6 (AA) alkaline × 2 cells) DC Input: 13.8 V DC (±15%) |
| Current drain | Less than 300 mA (at tuning) Less than 1 mA (stand-by) |
| Electric polarity | Negative ground |
| Operating temperature range | –10°C to +60°C, 14°F to +140°F |
| Tuning accuracy | Less than 1: 2.0 VSWR (except λ/2 of antenna length and its multiples) |
| Number of tuned memories | 45 memories |
| Dimensions (W × H × D) (projections not included) | 190 × 105 × 40 mm; 7.5 × 4.1 × 1.6 in |
| Weight (approximate) | 450 g, 15.8 oz (battery cells are not included) |
Applicable IP Rating
| Ingress Protection Standard | |
|---|---|
| IP rating | IP54 (Dust-protection and water resistant) |
All stated specifications are subject to change without notice or obligation.
Supplied Accessories
- Coaxial cable (2 m, 6.6 ft, BNC connectors, between AH-705 and IC-705)
- Control cable (2 m, 6.6 ft, between AH-705 and IC-705)
- Terminal connector, PL-259 to binding post socket adapter for a long wire antenna*
- Mounting bracket (with a screw and washer)
- DC plug
* PL-259 plug is supplied for Europe version, instead of Terminal connector.
Panel View
Optional Accessories
Catalogs / Brochures
| Brochures Name | Size |
|---|---|
| AH-705 | 1.43MB |
Instruction Manual / Guides
| Name | Model Name | Note |
|---|---|---|
| INSTRUCTIONS | AH-705 | |
| PRECAUTIONS (German/Spanish/French/Italian) | AH-705 |