A passive high-power tr switch and tr assembly
A high-power, passive technology, applied in the field of microwave radio frequency, can solve the problems of increasing cost, increasing system complexity and implementation difficulty, achieving the effect of simplifying design, fast response time and reducing production cost
Active Publication Date: 2022-03-11
南京正銮电子科技有限公司
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Problems solved by technology
[0003] The traditional power TR switch realizes the high-power signal switching function and improves the isolation. Generally, high voltage is used to control the turn-off characteristics of the switching diode under high power. This requires the introduction of a high-voltage control circuit, which increases the complexity of the system and the difficulty of implementation. In such a control circuit mode, especially when working in the HF-VHF frequency band, if it is necessary to increase the conversion speed of T and R signals, more auxiliary designs and devices are required to realize it, which greatly increases the cost
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] As indicated in this application and claims, the terms "a", "an", "an" and / or "the" do not refer to the singular and may include the plural unless the context clearly indicates an exception. Generally speaking, the terms "comprising" and "comprising" only suggest the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list, and the method or device may also contain other steps or elements.
[0...
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The invention discloses a passive high-power TR switch and a TR assembly, wherein the TR switch includes a transmitting signal port, and the transmitting signal port is connected to a first high-frequency board, and the first high-frequency board is connected through at least one pair of antiparallel The diode is connected to the second high-frequency board, the second high-frequency board is connected to the third high-frequency board through the first inductance, and the third high-frequency board is connected to the common port; the second high-frequency board is connected to the capacitor through the capacitor It is connected with the fourth high frequency board, and the fourth high frequency board is connected with the fifth high frequency board through at least one pair of antiparallel diodes; the third high frequency board is connected with the sixth high frequency board through a capacitor, and the first The six high-frequency boards are connected to the seventh high-frequency board through at least one pair of antiparallel diodes; the turn-off, conduction and rectification characteristics of switching diodes are used to realize conduction under large signals and cut-off under small signals, and filter The device characteristic isolates the transmitting and receiving signals, thus realizing the passive high-power TR switching characteristic.
Description
technical field [0001] The invention relates to the field of microwave radio frequency, in particular to a passive high-power TR switch and a TR assembly. Background technique [0002] In the contemporary phased array system radar and high-power short-wave communication system, the power TR switch (transmission and reception signal conversion switch) has a wide range of applications, and the T and R signal conversion time, power loss, stability, high-power signal switching and other index requirements It is the difficulty of making power TR switch. [0003] The traditional power TR switch realizes the high-power signal switching function and improves the isolation. Generally, high voltage is used to control the turn-off characteristics of the switching diode under high power. This requires the introduction of a high-voltage control circuit, which increases the complexity of the system and the difficulty of implementation. In such a control circuit mode, especially when work...
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IPC IPC(8): H03K17/74H03K17/16H04B1/48H04B1/40
CPCH03K17/74H03K17/16H04B1/48H04B1/40
Inventor 刘建波梁云忠
Owner 南京正銮电子科技有限公司