Description
An automatic antenna tuner is a device that automatically adjusts the orientation of an antenna to improve the reception of radio, television, or other electromagnetic wave signals. These devices typically use motorized or computer-controlled technology to detect the strength of the antenna signal and adjust its position for the best reception quality.
For example, in the case of a television antenna, an automatic tuner can rotate the antenna in different directions to find the optimal position to pick up television signals with maximum clarity and picture quality.
These automatic tuners can be useful in areas where signals are weak or variable, allowing for more reliable reception of broadcasts. In addition, they simplify the process for users by eliminating the need for frequent manual adjustments to antenna orientation.
ABOUT THIS EQUIPMENT
The ATU-100-0A is a specific type of antenna autotuner used in amateur radio applications. The term ATU refers to “Antenna Tuning Unit” and the ATU-100-0A model is one of the devices designed to automatically adjust the antenna impedance to match the impedance of the transmission line and the radio.
This type of auto-tuner is particularly useful in the world of amateur radio, as it allows an antenna to be effectively adapted to different transmission frequencies, which can be critical when operating radios in multiple bands.
The ATU-100-0A, like other automatic antenna tuners, uses electronic circuitry to adjust antenna impedance and maximize transmit/receive efficiency at different frequencies. This helps to optimize the transfer of energy between the radio and the antenna, thus improving the quality of the signal.
Its functionality and ability to tune different types of antennas make it valuable for amateur radio enthusiasts who operate at variable frequencies and want to optimize the efficiency of their transmit/receive system.
The shortwave automatic antenna tuner contains a set of 7 capacitors and 7 inductors, allowing it (with the largest configuration) to operate effectively in a wide frequency band, overlapping the 1.8-55MHz amateur radio HF band. Built-in lithium battery, 3.7V, 1500mAh, you can use a Type-C cable to recharge it. Equipped with a 0.91-inch OLED display, you can see the data clearly. Automatically tuned and does not need control cables, suitable for most radio stations. You can try.
Features:
The shortwave automatic antenna tuner contains a set of 7 capacitors and 7 inductors, allowing it (with the largest configuration) to operate effectively in a wide frequency band, overlapping the 1.8-30 MHz amateur radio HF band.
Made of quality material, wear resistance, with stable and reliable performance.
Equipped with a 0.91-inch OLED display, you can see the data clearly.
Automatically tuned, no human or control cables are required, and it is suitable for most radio stations.
One button to turn on/off, easy to use, very convenient.
Instructions:
Connect the radio, ATU antenna tuner, and antenna.
For the first use, set the output power of the radio or power amplifier to 20-30W, or high-power tuning can easily damage the antenna tuner.
Set the radio mode, use the frequency modulation mode.
Choose the antenna band to use, use 20-30W power in frequency modulation mode, press the PTT of the radio, look at the PWR and SWR of the ATU antenna tuner.
Using the ATU TUNE button: Short press (less than 1 second) the ATU button, it is in reset state, long press (more than 1 second) the ATU button is in the tune state.
If the SWR display of the ATU antenna tuner in the transmit state is> 2.0, means that the antenna is out of tune. 6. An antenna tuner is required. Press and hold the ATU button to tune in and observe the SWR value. If the SWR is greater than 3.0 after tuning, the antenna will go out of tune. In severe cases, it is not recommended to use more than 30W of power and the transmit power should be controlled below 30W; If tuning is complete, the SWR display is less than 2.0 and the maximum power of 100W can be used for transmission.
Specs:
Name: ATU100 Tuner
Material: Aluminum Alloy
Color: Black
Display: 0.91-inch OLED display
Charging: USB Type-C cable
Battery: 1 * Lithium Battery, 3.7V, 1500mAh (NOT INCLUDED)
Voltage: typical + 12V (DC10-15V, 13.8V)
Working frequency: 1.8-55MHz
Maximum Current Consumption: 400mA
Maximum working power: 100W
Maximum possible measuring power: 150W
Minimum power needed to start tuning: 5W
Minimum possible measuring power: 0.1W
Measurement step for power up to 10W: 0.1W
Measuring pitch with power greater than 10W: 1W
Power measurement accuracy: 10%
Maximum Installation Inductance: 8.53uH
Minimum installation inductance step length: 0.05uH
Maximum Installation Capacitance: 1869pF
Minimum Installation Capacitance Step Length: 10pF
Number of panel buttons: 3 (ON/OFF, AUTO, TUNE)
Item Size: 160*90*40mm/6.30*3.54*1.57 inch
Item Weight: 413 g/0.91 lb
Package Size: 175 * 122 * 55mm / 6.89 * 4.80 * 2.17 inch
Package Weight: 465g/1.03lb
