SU1383455A1 - Switch - Google Patents

Abstract

This invention relates to radio electronics and increases the broadband. A control signal is applied to terminal 10. Depending on the polarity of the signal, one of the semiconductor diodes (PD) 5 and 6 is open or closed. Open PD 5 creates a short circuit in the arm 3. In this case, the microwave signal fed to the input jack 2 tees 1, passes into the arm 4 and to the output of the device. The introduced capacitors 7 form a filter structure that ensures the operation of the device in a wide band. 1 il.

Description

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The invention relates to microwave radio technology and can be used in devices where circuit switching is necessary.

The purpose of the invention is to increase the broadband.

The drawing shows an electrical switch circuit.

The switch contains tee 1, one shoulder 2 of tee 1 is the input of the device, and the other two arms 3 and 4 of tee 1 are outputs. In the arms 3 and 4, semiconductor diodes 5 and 6 are connected in parallel, and in each of arms 2-4 in parallel capacitors 7 are turned on, the distance from the tee splitting plane to the switching point of capacitor 7 is 1, and the distance to turning on points of semiconductor diodes 5 and 6 is 21. Throttle 8 and auxiliary capacitor 9 form a power filter. Terminal 10 is used to connect a control signal.

The switch works as follows.

A control signal is applied to terminal 10. Depending on the polarity of the proposed signal, one of the semiconductor diodes 5 and 6 is open or closed. An open semiconductor diode 5 with a closed semiconductor diode 6 creates a short circuit in the arm 3, while the microwave signal applied to the input arm 2 of the tee 1 passes into the arm 4 and then to the output of the device.

The capacitors 7 form a filter structure that provides the switch in a wide band.

Claims (1)

Invention Formula A switch containing a tee, one arm of which is an input and two other outputs, with semiconductor diodes parallel to each output arm of the tee, characterized in that, in order to increase the broadband, it additionally introduces capacitors connected in parallel to each arm, with the capacitors set at a distance 1 W8 (1- | arctg) from the branch plane of the tee, the semiconductor diodes are connected at a distance of 21 from the branch plane of the tee, and the capacitance C of the capacitor is selected from the following relationship: 2i , oro where "T is the wavelength on the average frequency;   average frequency; С - capacitor capacity; Ro is the wave impedance of the transmission line.