Millimeter wave 16-channel transmit-receive frequency conversion channel assembly

Abstract

The invention relates to the technical field of a transmit-receive frequency conversion channel, and discloses a millimeter wave 16-channel transmit-receive frequency conversion channel assembly, which mainly adopts a mixed design of an MMIC bare chip and an LTCC circuit and realizes a microminiature design through one or more frequency conversion. The transmit-receive frequency conversion channel assembly is in a three-layer structure on the whole, wherein the upper layer comprises a power control portion, the middle layer is a frequency conversion circuit portion and the lower layer comprises 16 paths of waveguide interfaces. The frequency conversion circuit portion comprises 16 paths of receiving channels, one path of emission channel and a local oscillator processing circuit. The receiving channels and the emission channel share the 16 paths of waveguide interfaces; transmit-receive time-sharing power supply is realized; channel switching is carried out through a radio frequency switch; power supply and control signals between the layers are connected through a miniature low-frequency connector; radio frequency signals are connected through a radio frequency isolator; and the layers are internally connected through via holes. Therefore, the millimeter wave 16-channel transmit-receive frequency conversion channel assembly realizes high-density integration of millimeter wave multi-channel transmit-receive frequency conversion channels, is small in size, light in weight and high in environment adaption capability, improves working stability and reliability of the system in various environment conditions, and meets the future trend of transmit-receive frequency conversion channel miniaturization.

Description

technical field [0001] The invention relates to the technical field of transceiver frequency conversion channels, and is a millimeter-wave 16-channel transceiver frequency conversion channel component mainly adopting a mixed design of MMIC bare chips and LTCC circuits, and realizing miniaturization design through one or multiple frequency conversion methods. Background technique [0002] The frequency conversion channel is a bridge connecting the radio frequency part and the baseband part, and is a key part of modern radio communication and radio detection. In modern information warfare, frequency conversion channels play an important role. The size of a radio, such as an antenna, is directly proportional to the radio wavelengths it receives and transmits. The low-frequency signal carrying information needs to be converted once or more times to move the spectrum to the radio frequency part, so that it can be transmitted with an antenna of suitable size; the radio wave recei...

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Problems solved by technology

[0004] 1. The traditional frequency conversion channel is divided into three independent modules: receiving, transmitting, and local oscillator. Each module has a single function, low integration, large system volume, and complicated circuit assembly;

[0005] 2. The traditional frequency conversion channel has many types and quantities of devices, and various assembly methods, which pose great challenges to reliability and stability in complex use environments;

[0006] 3. The traditional frequency conversion channel adopts a single-sided wiring design on a soft substrate. The layout and wiring of components are usually arranged in a straight line, and the space utilization rate is low;

[0007] 4. The traditional frequency conversion channel usually uses waveguide filters, cavity filters and other devices with large volume, heavy weight, and poor temperature stability, which cannot meet the special installation and use of missile-mounted, airborne, and backpack-type. surroundings

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