10 Best
Hf Antenna Tuners
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Product Highlights- *this circuit contains a set of 7 inductors and 7 capacitors, which allows it to work in a wider frequency range, which can effectively cover the range of amateur radio range from 1.8mhz-50mhz.
- *dc socket connection power supply dc 10-15v is positive and external, the panel power switch is in the open position, set the radio power at 5w-10w, long press the reset/tune button, the device screen appears tune. continuous power, the device can be adjusted automatically. short press the reset/tune button, and the device releases the previously adjusted lc relay, in ...
- * the finished package is a pure hand -welded, which provides a 3.2 program that supports the controller with a resolution of 128x32 pixels and a diagonal 0.91 -inch monochrome oled display.
- * optional functions include 1-5w opening, 10 seconds of screen self-extinguishing/changliang, fully automatic/manual mode, etc. the default is 1w turning on, the screen is always bright, and the manual/automatic switching mode.
- *sx1308 is a fixed frequency. sot23-6 closed current mode boost converter. the operating frequency of up to 1.2mhz enables the peripheral inductors to choose smaller specifications. the built-in soft startup function reduces the starting impact current. internal integration of 80 milliligo power mosfet, the maximum increase efficiency can reach 97%.
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Product Highlights
- Product features: automatic antenna tuner machine with shell (no battery), no assembly required, can be used directly, automatically tuned, developed by n7ddc.
- Remarkably compact: the housing of the machine has been designed by an excellent designer, compact and exquisite.
- Visible quality: cnc perforated aluminium alloy, the entire shell is made of aluminium alloy.
- [atu-100 version] latest program: 3.2 version has been burned. compared to version 3.1, some errors have been fixed.
- [high quality accessories] high quality smd capacitors, c-channel capacitors, high quality 1000v high voltage smd capacitors and the imported pic chip. uhf connector.
- What you get: atu-100 automatic antenna tuner with metal housing (no battery), 1 x dc5.5 x 2.1 power cable (0.75 square pure copper wire 50 cm), 1 x usb 5v to 9v booster board.
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Product Highlights
- Enhanced capacitor: utilize the 6kv high-voltage ceramic capacitor of antenna tuner box to ensure stable operation and improved durability. this advanced component guarantees reliable performance even under challenging conditions, allowing you to enjoy uninterrupted listening experiences.
- High-performance tuning: achieve precise and automatic antenna tuning with the pic18f2520 microcontroller, ensuring optimal reception for your shortwave radio. the innovative 4-core magnetic loop design of automatic shortwave hf antenna tuner reduces heat generation compared to previous versions.
- Reliable relay system: advantage from the hf32 (10a) and hf33 (5a) relays integrated into the radio, radio automatic antenna tuner providing a robust and efficient signal transmission. experience seamless switching between different frequency bands without compromising on performance.
- Impressive power output: harness the power of this miniature shortwave antenna tuner's maximum output capacity, with 150w single sideband (ssb) for continuous wave transmissions and 130w for amplitude modulation (am) in the mornings. for prolonged use, we recommend staying within the suggested limit of 150w ssb.
- Wide frequency range: explore an extensive frequency range from 1.9mhz to 54mhz, subject to antenna length and standing wave variations. this versatile mini automatic antenna tuner accommodates various tuning impedance ranges, spanning from 5ω to 1.2kω, ensuring compatibility with different antennas and optimizing reception quality.
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Product Highlights
- [automatic antenna tuner] the antenna tuner tunes radio automatically without any control wires, suitable for most radio stations.
- [high quality] the pcb board is made of thick doublesided board, it is sturdy and for long service life.
- [automatic antenna tuner] the antenna tuner tunes radio automatically without any control wires, suitable for most radio stations.
- [specifications] the antenna tuner works effectively in a wide frequency band. the maximum inductance is 8.53uh, the minimum inductance is 0.05uh. (more specifications please check the description below)
- [easy to install] the well made antenna tuner can be connected to dc 10-15v power easily with the power cord included.
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Product Highlights
- 3. easy to use: antenna tuner has stable performance and convenient use. adopted by n7ddc+0.91 oled v3.1.
- 2. efficient: hf auto tuner is low power consumption, energy saving and environmental protection.
- 4. high quality: excellent material and fine workmanship, antenna tuner is an exquisite product for use.
- 1. atu-100 antenna tuner: high power measurement accuracy, automatic antenna tuner covers everything from 1.8 - 30 mhz.
- 5. portable: size: about 200 x 120mm/7.9x4.7in, automatic antenna tuner is small and , easy to carry.
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Product Highlights
- 【product parameter】the maximum current consumption is 400 ma, the maximum operating power is 100w and the maximum possible measured power is 150w.
- 【durable & practical】coated with anti‑corrosion paint, smoothly surface and greatly improve service life. with great workmanship, made of aluminum alloy is strong and durable.
- 【high performance】one‑piece molding without burrs, convenient to install and with good performance. frequency range is 1.8-30mhz (actually can get 1.8-50mhz)
- 【large heat dissipation area】the product has a large heat dissipation area, which can better maintain long-term operation. with metal housing, stable and reliable performance,
- 【100% quality assurance】we are very confident in the quality of this automatic antenna tuner, and provide warranty or refund for it. please feel free to reach us if you have any questions about your purchase.
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Product Highlights
- 4. high quality: excellent material and fine workmanship, antenna tuner is an exquisite product for use.
- 2. efficient: hf auto tuner is low power consumption, energy saving and environmental protection.
- 3. easy to use: antenna tuner has stable performance and convenient use. adopted by n7ddc+0.91 oled v3.1.
- 1. atu-100 antenna tuner: measurement accuracy, automatic antenna tuner covers everything from 1.8 - 30 mhz.
- 5. portable: size: about 200 x 120mm/7.9x4.7in, automatic antenna tuner is small and , easy to carry.
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Product Highlights
- Can be applied to any short-wave machine within 350w (as long as it can output 8-25w continuous radio frequency during tuning, it can be tuned, such as am, cw and fm), no control line is required
- Can provide the latest 3.2 driver that supports 12863 small screens, or 1602 screens. under the condition of 7~22mm long line, it can pass the test of 3.5-54mhz amateur band
- Features: can be equipped with antennas such as long-line antenna, gp, inverted v, positive v, dipole antennas
- Working range 3.5-54mhz
SHOWview product -
Product Highlights
- Can be applied to any short-wave machine within 350w (as long as it can output 8-25w continuous radio frequency during tuning, it can be tuned, such as am, cw and fm), no control line is required
- Can provide the latest 3.2 driver that supports 12863 small screens, or 1602 screens. under the condition of 7~22mm long line, it can pass the test of 3.5-54mhz amateur band
- Working range 3.5-54mhz
- Features: can be equipped with antennas such as long-line antenna, gp, inverted v, positive v, dipole antennas
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