-
Broadband Log Periodic Antennas for EMI Detection and RF Measurement
In broadband RF testing and electromagnetic measurement, antenna selection plays an important role in overall test accuracy and efficiency. For engineers working in EMI detection, antenna calibration, pattern measurement, and field-oriented microwave applications, a stab...Read more -
Antenna Theory – Wires
Wire antennas are one of the basic types of antennas. They are well‑known and widely used. To better understand wire antennas, let us first take a look at the transmission line. Transmission Line A transmission line, or wire, carries electrical energy f...Read more -
Conical Horn Antenna Solutions for 4–6 GHz and 8–12 GHz RF Testing
In RF testing and microwave measurement, choosing the right antenna can directly affect both efficiency and accuracy. For engineers working in EMI testing, antenna pattern measurement, gain verification, or surveillance-related applications, a stable and broadband conica...Read more -
Antenna Theory – Poynting Vector
Antennas transmit or receive information by radiating electromagnetic energy. Therefore, energy and power are key parameters associated with these electromagnetic waves, and it is essential to discuss them. An electromagnetic wave consists of both an electric field and a...Read more -
RM-BDHA046-10 Double-Ridged Broadband Horn Antenna
Broadband horn antennas are widely used in RF and microwave systems that require stable performance over a wide frequency range. They are commonly found in EMI/EMC testing, antenna gain and pattern measurement, radar evaluation, direction finding, wireless communication ...Read more -
Antenna Theory – Beamwidth
In the radiation pattern of an antenna, the main lobe represents the antenna's main beam, through which the maximum and most concentrated energy is radiated. Beamwidth is the angular width of the aperture through which the majority of the power is radiated. The two main ...Read more -
RM-PSA1840-5 Planar Spiral Antenna for 18–40 GHz Broadband Systems
A Planar Spiral Antenna is a high-performance broadband antenna widely used in modern RF and microwave systems. Thanks to its compact planar structure, wide frequency coverage, circular polarization capability, and stable radiation performance, the Planar Spiral Antenna ...Read more -
Antenna Theory – Beams and Polarization
This chapter discusses the parameters of antenna radiation beams, which help us understand beam specifications. Beam Area According to the standard definition: “If the radiation intensity P(θ,ϕ) remains at its maximum value ove...Read more -
RM-CGHA28-15 Linear-Polarized Corrugated Horn Antenna for 26.5–40 GHz Applications
The RM-CGHA28-15 is a high-performance linear-polarized corrugated horn antenna designed for wideband millimeter-wave applications from 26.5 GHz to 40 GHz. With a typical gain of 15 dBi and a typical VSWR of 1.2:1, this antenna provides stable signal transmission, excell...Read more -
Antenna Theory — Isotropic Radiation
In the previous chapter, we discussed radiation patterns. To better analyze antenna radiation, a reference point is required. The radiation of an isotropic antenna fulfills this role. Definition Isotropic radiation refers to radiation from a point sourc...Read more -
High-Gain Circularly Polarized Horn Antenna Covering 6–18 GHz – 19 dBi Typical
Combining the inherent interference‑rejection of circular polarization with the high gain and low VSWR of a horn antenna, the circularly polarized horn is a key component in satellite communications, radar testing, and EMC measurements. Key Advantages •...Read more -
Antenna Theory – Radiation Patterns
Radiation is a term that describes the intensity of the electromagnetic waves transmitted or received by an antenna. In any antenna illustration, the diagram depicting the antenna's radiation characteristics is known as its radiation pattern. By observing the radiation p...Read more

