HF BALUN
| # | Model | Impedance (Z) | Power | Frequency | Download | Enquiry |
| 1 | BALUN-1 | 50:50 | 100 W | 2-30 MHz |  |  |
| 2 | BALUN-4 | 50:200 | 100 W | 1.8-50 MHz | | |
| 3 | BALUN-6 | 50:300 | 100 W | 1.8-30 MHz | | |
| 4 | BALUN-9 | 50:450 | 100 W | 3-34 MHz | | |
| 5 | BALUN-C4 | 50:200 | 150 W | 1.8-50 MHz | | |
| 6 | BALUN-C6 | 50:300 | 150 W | 1.8-45 MHZ | | |
| 7 | BALUN-C9 | 50:450 | 150 W | 2-45 MHz | | |
HF BALUN for Reliable High-Frequency Antenna Performance
A reliable antenna system needs proper impedance matching to transfer radio-frequency energy efficiently. An HF BALUN is an important component used between an antenna feeder cable and the antenna input terminals. It helps match impedance and supports smoother frequency response across the operating band.
SecAntenna manufactures multiple models for different impedance ratios, power ratings, and frequency requirements, with customization available for specific applications.
What Is an HF BALUN?
A balun is a device used to connect balanced and unbalanced parts of an antenna system. In high-frequency communication, it can also help match the impedance between the feeder line and antenna. Correct matching supports efficient power transfer and can help reduce unwanted signal reflections when the complete antenna system is properly designed.
An HF BALUN is commonly used with broadband antennas and may also be applied with HF monopole antennas to widen their usable bandwidth. Its performance depends on the selected model, antenna design, installation, and operating frequency.
SecAntenna HF BALUN Models and Specifications
SecAntenna offers models with different impedance ratios and power handling capacities. Review the specifications below and select a model according to your antenna system.
Model | Impedance | Power | Frequency Range |
|---|---|---|---|
BALUN-1 | 50:50 | 100 W | 2–30 MHz |
BALUN-4 | 50:200 | 100 W | 1.8–50 MHz |
BALUN-6 | 50:300 | 100 W | 1.8–30 MHz |
BALUN-9 | 50:450 | 100 W | 3–34 MHz |
BALUN-C4 | 50:200 | 150 W | 1.8–50 MHz |
BALUN-C6 | 50:300 | 150 W | 1.8–45 MHz |
BALUN-C9 | 50:450 | 150 W | 2–45 MHz |
Frequency and power ratings vary by model. Confirm that the selected unit is suitable for your transmitter, antenna, feeder cable, and intended operating conditions before installation.
Construction and Available Configurations
Each model is available in two configurations: with a choke or without a choke. This gives antenna designers and system integrators flexibility when planning the feed arrangement. The conductor material is copper, while the core uses material selected for its high-frequency properties.
For input connections, UHF female and N-type female connector options are available. The standard arrangement uses a UHF female input connector, with two output terminals supplied at the other end. Connector requirements should be confirmed when placing an enquiry.
Where Is It Used?
This component is suitable for high-frequency antenna systems where impedance matching is required. Typical applications include broadband HF antennas, communication installations, radio-frequency research, and specialist antenna projects. The correct choice depends on the antenna’s electrical characteristics and the frequency band in which the system will operate.
When used as part of a properly designed antenna assembly, it can help provide a wider and smoother frequency response. It is important to assess the complete installation rather than expecting one component alone to determine overall antenna performance.
How to Choose the Right Model
Before selecting a unit, check the antenna’s required impedance ratio and the frequency range in which it will operate. Next, compare the power rating with the transmitter’s output and allow for the operating conditions specified by the manufacturer. Choose a choke or non-choke configuration based on the system design, and verify the connector type required by the feeder cable.
If a standard model does not meet your project requirements, contact SecAntenna to discuss customized impedance, connectors, paint colour, or finishing. Sharing your antenna details and operating requirements will help the technical team recommend a suitable configuration.
Why Choose SecAntenna?
SecAntenna designs, develops, and manufactures antennas for wireless data and voice communication across HF, VHF, UHF, and microwave S-band applications. Its product range includes multiple impedance and power options, along with customization for project-specific needs. The company also provides technical assistance to help customers identify an appropriate antenna solution.
For an HF BALUN selection, provide your required impedance, frequency range, power handling, and connector preference when contacting the team. This information helps clarify which available model or customized option may suit your application.
