6 results about "Gyrator" patented technology

The present disclosure relates to a test and / or measurement system for measuring a noise figure of a device-under-test (DUT). The test and / or measurement system comprises: a test port arranged for being connected to a port of the DUT; an interface unit comprising and amplifier; and a first receiver circuit; wherein, if the test and / or measurement system is operated in a noise figure measurement mode, an input port of the amplifier is electrically connected to the test port and an output port of the amplifier is electrically connected to the first receiver circuit; wherein the interface unit further comprises a biasing circuit which is electrically connected to the output port of the amplifier and is configured to provide a biasing current and / or voltage for the amplifier during operation; and wherein the biasing circuit comprises at least one gyrator circuit.

The utility model provides a pneumatic chuck suitable for clamping flat and long pipes, which comprises a machine frame, a main shaft rotatably arranged in the machine frame, a rotation driving mechanism arranged on the machine frame and used for driving the main shaft to rotate, a power air cylinder arranged on the main shaft, a shell arranged on the power air cylinder and a front cover arranged on the shell. The pair of transverse clamping jaws and the pair of vertical clamping jaws are arranged on the front side of the front cover, the four sets of transmission mechanisms are in transmission connection with the power air cylinder to drive the two pairs of clamping jaws to move, and the five-channel air pressure gyrator is fixedly connected with the main shaft to input high-pressure air. The five-path air pressure gyrator is provided with first to fourth air inlet holes and first to fourth air passages which are in ventilation connection with the first to fourth air inlet holes respectively; and the main shaft and the power cylinder are internally provided with first to fourth power air passages of the chuck, which are respectively and correspondingly in ventilation connection with the first to fourth air passages of the five-passage air pressure gyrator. When the chuck is used, the two pairs of clamping jaws can conduct clamping and supporting actions through different air inlet modes so that the flat and long pipe can be clamped conveniently, the application range of the chuck can be widened, and the cost performance of the chuck can be improved.

The invention provides a culture medium convolution oscillator which comprises an oscillator main machine, a reagent frame assembly, a self-locking unit and a wedge-shaped frame, the reagent frame assembly comprises a bottom frame, a lower-layer grating, a top frame and an upper-layer grating, the inner side of the square bottom frame is sleeved with the flexible lower-layer grating, the inner side of the square top frame is sleeved with the flexible upper-layer grating, and the wedge-shaped frame is arranged on the bottom frame. A series of mounting grooves are formed in the square top frame and used for assembling corresponding reagent bottles respectively, self-locking units are arranged in upper and lower grids respectively, through holes are formed in vertex angles of the upper and lower grids respectively, limiting columns are assembled on the vertex angles, blocking tables are arranged at the ends of the limiting columns, blind holes are formed in the middles of the upper and lower grids respectively, and guide columns are assembled on the blind holes; the upper portion and / or the lower portion of each guide column are / is connected with a spring, and when the upper-layer grating moves towards the lower-layer grating, the self-locking unit is triggered to lock the reagent bottles. According to the scheme, locking and unlocking operation of the reagent frame assembly is more convenient, and the working efficiency of operators can be improved.

The application belongs to the technical field of underwater radio communication, and discloses a resonant type underwater electric field communication system which comprises a signal generator, a pair of transmitting electrodes, a water environment, a packaging assembly and an oscilloscope; the packaging assembly comprises a direct current bias magnetic field assembly, a magnetoelectric gyroscope, a load resistor and a capacitor which are packaged together, a part of a piezoelectric layer protruding from a magnetostrictive layer serves as a receiving electrode and is in contact with the water environment, two wire ends of a coil serve as signal output ends and are connected to the oscilloscope; one end of each transmitting electrode is connected to the signal generator, and the other end is placed in water; the transmitting electrodes are connected to the receiving electrode in the packaging assembly through the water environment; the magnetoelectric gyroscope, the capacitor and the load resistor form a series circuit. Compared with the traditional electric field communication technology, the communication system has stronger signal response, higher signal-to-noise ratio, better stability, extended communication distance, excellent signal fidelity and anti-interference capability in underwater electric field communication.

A fully integrated gyrator with a high speed stack and networks of server farms and telecommunication modes incorporating the gyrator.

The utility model provides a double-layer disc rotating arm type material receiving machine which is characterized in that a first material receiving disc is arranged at the bottom of a prilling tower, a conical edge corresponding to the first material receiving disc is arranged on the inner wall of the prilling tower, an annular second material receiving disc is arranged on the inner side of the conical edge, and an air inlet corresponding to the position between the first material receiving disc and the second material receiving disc is formed in the side wall of the prilling tower; the first material receiving disc is rotationally connected into the granulation tower, a driving mechanism is arranged at the bottom of the first material receiving disc, and a revolving body extending upwards is arranged in the middle of the first material receiving disc; the multiple material collecting plates are connected with the rotary body through the material collecting arms so as to rotate along the second material collecting disc along with rotation of the first material collecting disc, and residual materials on the second material collecting disc are cleaned. And the annular second material receiving disc is arranged, the material is received through the second material receiving disc, the material with the sealed bottom can upwards circulate from the inner side of the second material receiving disc, then a material curtain of the material can be cooled from inside to outside, particles are promoted to be rapidly cooled, and the cooling effect is improved.