Abstract: An improved DC and/or audio-frequency output for RF paths has the following features: an earth connection is provided, in particular in the form of an electrically conductive housing (17), an output path (13) branches off from a connection point (117, 117?) on an RF path (3, 5), the output path (13) comprises a branch line (7, 9), originating from the connection point (117, 117?), in the form of a ?/4 line, where ? represents a wavelength which corresponds to a wavelength within the RF band to be transmitted on the RF path (3, 5), and having a capacitor device (27a, 27b), which is connected to the branch line (7, 9), in the form of a low-pass filter and/or an RF short, with at least one sealed dipole connection (127a, 127h) also being provided on the output path (13), in addition to the at least one capacitor device (27a, 27b).

Abstract: An improved DC and/or audio-frequency output for RF paths has the following features: an earth connection is provided, in particular in the form of an electrically conductive housing (17), an output path (13) branches off from a connection point (117, 117?) on an RF path (3, 5), the output path (13) comprises a branch line (7, 9), originating from the connection point (117, 117?), in the form of a ?/4 line, where ? represents a wavelength which corresponds to a wavelength within the RF band to be transmitted on the RF path (3, 5), and having a capacitor device (27a, 27b), which is connected to the branch line (7, 9), in the form of a low-pass filter and/or an RF short, with at least one sealed dipole connection (127a, 127h) also being provided on the output path (13), in addition to the at least one capacitor device (27a, 27b).

Abstract: An improved coaxial radio-frequency resonator comprises the following features: the stabilization and/or compensation device (17) has a device (19) which is in the form of or is similar to a bimetallic strip and it deforms as a function of temperature, and the stabilization and/or compensation device (17) has and/or is fitted directly or indirectly with a capacitance changing device (21), which has at least one electrically conductive section, at least one dielectric section or at least both, and the capacitance changing device (21) is arranged in the interior (3) of the resonator (1).

Abstract: The invention relates to a coaxial radio frequency filter, having one or more resonators, with at least one of the resonators having the following features: an inner conductor which is in the form of an inner conductor tube (2) and is composed of at least one first material; an outer conductor housing (1) having a housing base (1a), a housing wall (1b) and a cover (3) which extends from the housing wall (1b) and can be positioned on the housing upper face, with the inner conductor tube (2) being electrically coupled to the housing base (1a), and a free end (2a) of the inner conductor tube (2) being located adjacent to the housing upper face and/or to the cover (3); a compensation element (6) composed of at least one second material, which is connected to the inner conductor tube (2); wherein the at least one second material of the compensation element (6) acts on the at least one first material of at least one subsection of the inner conductor tube (2) by exerting mechanical force, such that the thermal