MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202611057065 A) filed by Noida Institute Of Engineering & Technology on May 05, 2026, for A Frequency-Agile Radio Frequency Bandpass Filter.

Inventors include Dr. Mohd Sazid; Dr. Niraj Agrawal; and Dr. Mangey Ram Nagar.

The application for the patent was published on July 17, 2026, under issue no. 29/2026.

Abstract: Disclosed herein is a radio-frequency bandpass filter device (100) to maintain constant absolute bandwidth during frequency tuning, the device (100) comprising an input port (102), a dielectric substrate (104) to support propagation of radio-frequency electromagnetic signals, at least two multimode microstrip resonators (106) to generate a plurality of resonant modes and comprises a conductive transmission line (108) and a plurality of open-circuited stubs (110), an interdigital capacitive coupling structure (112) to control electromagnetic energy transfer between the plurality of resonant modes to define a passband and a bandwidth of the device (100), at least two tuning elements (114) to tune the plurality of resonant modes and comprises a first tuning element (116) and a second tuning element (118), a bias network (120) and an output port (122).

Disclaimer: Curated by HT Syndication.