SU375568A1 - DEVICE FOR MEASURING THE TRANSMITTING POWER OF UHF - Google Patents

Description

one

The invention relates to a technique for measuring at ultrahigh frequencies.

Known tilting devices for measuring microwave power are known, in which the microwave power is determined from the magnitude of the force acting on the short-circuiting piston in the side arm of the T-shaped waveguide connection.

Such devices are not sensitive and depend on the degree of matching of the load.

The aim of the invention is to improve the matching and sensitivity of the device.

This is achieved by the fact that —connected to the mechatronic sensor — the movable short-circuiting piston is placed in a circular waveguide connected through two smooth transitions to rectangular waveguides. The rectangular waveguides are connected to the two arms of an X-circulator connected by two others to the path between the generator and the load.

The drawing shows a diagram of the device.

X-C | Irkul Tor / included in the waveguide path with shoulders .a and c. Smooth waveguide junctions 2 and 3 (from a rectangular waveguide with a Ny wave to a circular waveguide with a Yao wave) are connected to the shoulders of the 6th and dX-circular. The smooth waveguide transitions are interconnected by a segment of a circular waveguide, in which a movable non-contacting short-circuiting piston 4 is placed, mechanically connected to a mechatronic pressure sensor 5. Mechatronic sensor

electrically connected to indicator 6.

The falling power passes from the shoulder and into the shoulder 6 of the X-circulator 1, is reflected from the short-circuiting piston 4, passes from the shoulder b into the shoulder from the X-circulator and enters

to load. The power reflected from the load is transferred from the shoulder c to the shoulder d of the X-one of the torus, is reflected from the short-circuiting piston and passes from the shoulder of the d to the shoulder of the X-circulator. On short

a piston on one side (from left to right according to the scheme) acts a force proportional to the incident power, and on the other side (from right to left) a force acts proportional to the reflected power.

The resultant force, which is proportional to the passage of the power, moves the short-circuiting piston 4, which leads to the appearance of an electrical signal at the output of the mechatronic sensor 5.

the signal from the mechatronic sensor is measured by the indicator 6, calibrated in units of power (watts). A contactless short-circuit moving piston 4 is placed in a circular waveguide with a wave of / - / 01, thereby eliminating the connection between the channels of the incident and reflected power and the contactless moving short-circuiting piston 4 through the gap between the walls of the waveguide. Object of the Invention A device for measuring the transmission power of a microwave, comprising a transmission line, a movable short-circuiting gap, a mechatronic sensor, and an indicator that is distinguished, in order to increase sensitivity and improve matching, to a mechatronic sensor, a movable short circuit that is placed in a waveguide circular cross-section, connected through two smooth transitions with a wave-house of rectangular cross-section, which are connected to the two arms of an X-circulator, connected by two other arms to the path between the generator and the load.

D generator