CN210274005U - V-frequency-band miniaturized low-power-consumption high-power digital phase-shifting network - Google Patents
V-frequency-band miniaturized low-power-consumption high-power digital phase-shifting network Download PDFInfo
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Abstract
The utility model provides a miniaturized high-power digital phase shift network of low-power consumption in V frequency channel, including the equipment casing, be equipped with in the equipment casing: the power distribution network module comprises a high-power distribution network module for performing power distribution on 108 MHz-174 MHz radio frequency signals, eight phase-shifting network modules for performing seven-bit digital phase shifting on the 108 MHz-174 MHz radio frequency signals, and a control circuit for performing phase-shifting state control on equipment; the high-power distribution network module is integrally connected with the equipment shell, the eight phase-shifting network modules correspond to the eight output ports of the high-power distribution network module one to one and are connected in series through SMP blind-mate radio frequency connectors, the eight phase-shifting network modules are respectively provided with a control pin, and the control circuit is connected with the control pins of the phase-shifting network modules. The utility model discloses rational in infrastructure, solve conventional digital phase shifter bulky, through the shortcoming that power is little, the power consumption is big, bias voltage is many, response speed is slow, have certain phase shift volume tuning function simultaneously again concurrently.
Description
Technical Field
The utility model relates to a radio frequency microwave technical field specifically is a miniaturized high-power digital phase shift network of low-power consumption of V frequency channel.
Background
Phased array radars have been widely used in recent decades. As one of the core components of the array system, the digital phase shifter has been rapidly developed due to its unique electrical scanning mode, which has the advantages of flexible scanning, fast beam change, multiple functions, etc. The accuracy and scanning speed of antenna beams are directly affected by the phase shift accuracy, response speed and other indexes of the phase shifter, and the phase shifter plays a key role in the performance of the radar.
With the development of radio frequency technology and semiconductor materials and processes, digital phase shifter chips based on MMIC technology have become the mainstream of modern phase shifters. In the L-band and above, MMIC digital phase shifters have replaced most of the low power traditional discrete phase shifters and analog phase shifters. However, at the low end of microwave frequencies, especially in the U/VHF and below, it is difficult to design and use chips with millimeter dimensions because the transmission line size becomes too lengthy. The main body is as follows:
1. the conventional digital phase shifter adopts transmission lines to realize phase shift, and the size of the conventional digital phase shifter is unacceptable in the length of a V frequency band and below. For example: the wavelength of a signal with the frequency of 300MHz is 1 meter, and if a seven-bit digital phase shifter with the stepping of 5.625 degrees and the total phase shift amount of 720 degrees is to be realized, the total length of a transmission line is close to 2 meters. There are two conventional solutions: a. the snakelike routing mode is adopted to reduce the occupied length of the transmission line, but the occupied circuit area is not reduced; b. the printed board with high dielectric constant is adopted to reduce the signal wavelength, and according to the wavelength formula, the higher the dielectric constant is, the shorter the transmission wavelength in the medium is. However, even if a 9.9 ceramic plate with a higher dielectric constant among common planar printed board materials is adopted, the wavelength is about 318mm, the length is still unacceptable, and the ceramic plate with the high dielectric constant is expensive and is difficult to be applied in batch in practical engineering; c. the volume of the delay line is greatly reduced by adopting the acoustic surface delay line technology, but the delay line has extremely small power-resistant capacity and large insertion loss, and is not suitable for being applied to occasions with high-power and low-insertion-loss requirements;
2. the maximum working signal power strength of a conventional digital phase shifter is generally within 1W. The digital phase shifter with power intensity of more than 1W is usually realized by adopting PIN technology, the working current of the digital phase shifter is generally more than dozens of mA to hundreds of mA, and the digital phase shifter needs various high voltages for biasing, so that the power consumption is large, the control is complicated, and the switching speed is generally slow;
3. the conventional digital phase shifter is not only of an MMIC chip type, but also of a microstrip circuit type or a coaxial circuit type, and the phase shift value is generally fixed, so that the conventional digital phase shifter does not have a phase tuning function and is difficult to adjust the phase precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniaturized high-power digital phase shift network of low-power consumption of V frequency channel to solve conventional digital phase shifter bulky, through the shortcoming that power is little, the power consumption is big, bias voltage is many, response speed is slow, have certain phase shift volume tuning function simultaneously again concurrently.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a miniaturized high-power digital phase shift network of low-power consumption in V frequency channel, includes the equipment casing, be equipped with in the equipment casing: the power distribution network module comprises a high-power distribution network module for performing power distribution on 108 MHz-174 MHz radio frequency signals, eight phase-shifting network modules for performing seven-bit digital phase shifting on the 108 MHz-174 MHz radio frequency signals, and a control circuit for performing phase-shifting state control on equipment;
the high-power distribution network module is integrally connected with the equipment shell, the high-power distribution network module is provided with eight output ports, the eight phase-shifting network modules correspond to the eight output ports of the high-power distribution network module one to one and form series connection through SMP blind-mating radio frequency connectors, the eight phase-shifting network modules are fixed on the front surface of the equipment shell, the eight phase-shifting network modules are respectively provided with control pins, and the control circuits are installed on the bottom surface of the equipment shell and connected with the control pins of the phase-shifting network modules.
By adopting the technical scheme, the power division network module divides the input radio frequency signal into eight paths of power with equal power and outputs the power to the phase shifting network module, the phase shifting network module is eight in total and is respectively connected with the output ports of the eight paths of power division outputs to shift the phase of the power division signals, the control circuit is connected with the phase shifting network module to control the phase shifting amount of the phase shifting network, and finally, the output end of the phase shifting network module outputs the radio frequency signal of which the phase shifting amount is controlled by the control circuit.
Preferably, the high-power division network module adopts an L/C power division circuit design, and includes 7 identical L/C two-power division circuits, the input signal sequentially passes through one L/C two-power division circuit, then enters two parallel L/C two-power division circuits, then enters four parallel L/C two-power division circuits, and finally obtains eight power division signals.
By adopting the technical scheme, eight paths of power division can be performed on the input high-power signal, the radio frequency continuous wave signal with the maximum power of 50 watts can be borne, and the power division network design is performed by adopting the L/C circuit, so that the miniaturization of the low-frequency high-power division network is realized.
Preferably, each phase-shifting network module comprises fourteen CMOS electronic change-over switches, seven groups of L/C sub-phase-shifting networks and seven groups of reference transmission lines, every two CMOS electronic change-over switches, one group of L/C sub-phase-shifting networks and one group of reference transmission lines are in a phase control state, the phase control state is formed by connecting the group of L/C sub-phase-shifting networks and the group of reference transmission lines in parallel, two ends of nodes connected with the two groups of L/C sub-phase-shifting networks and the group of reference transmission lines in parallel are respectively connected in series with one CMOS electronic change-over switch, and the seven groups of phase control states are cascaded from small to large according to the phase.
By adopting the technical scheme, eight paths of signals after power division respectively enter the corresponding phase-shifting network modules, each independent phase-shifting network module can carry out seven-state phase control on input signals entering the phase-shifting network module, and the control mode is that the switching state of the CMOS electronic selector switch is controlled by the control circuit.
Preferably, the control circuit is a programmable logic circuit based on a CPLD framework, and the control circuit is connected to a control terminal of a CMOS electronic switch in the phase-shift network module to control a switching state of the CMOS electronic switch.
By adopting the technical scheme, the control circuit adopts a programmable logic circuit based on a CPLD framework, the control response speed can reach 30ns, the requirement of all platforms including a high-speed radar platform on the phase shift speed can be met, and in addition, the control circuit controls the switching state of a CMOS electronic selector switch, so that the integral phase shift function of the equipment can be realized.
Preferably, the seven groups of L/C sub-phase shift networks are a 5.625 ° sub-phase shifter, an 11.25 ° sub-phase shifter, a 22.5 ° sub-phase shifter, a 45 ° sub-phase shifter, a 90 ° sub-phase shifter, a 180 ° sub-phase shifter, and a 360 ° sub-phase shifter, respectively.
By adopting the technical scheme, the device realizes seven-seed phase shifting states of 5.625 degrees, 11.25 degrees, 22.5 degrees, 45 degrees, 90 degrees, 180 degrees and 360 degrees in a frequency range of 108 MHz-174 MHz through the cascade connection of all the sub-phase shifters, the maximum combination state reaches 128 kinds, the maximum phase shifting precision is 720 degrees, the integral insertion loss is less than or equal to 13dB (wherein the theoretical power division loss is 9dB), the actual loss is less than or equal to 4dB, the standing wave is less than or equal to 1.5, the phase shifting precision is less than or equal to 2.5 degrees, the maximum input radio frequency signal power is greater than 50W of a continuous wave, and the integral phase shifting speed of the device is less than 500.
Preferably, each group of sub phase shifters is a low-pass filter circuit composed of a plurality of capacitors a with different capacitance values and a plurality of inductors a with different inductance values, the plurality of inductors a are connected in series, one end of each capacitor a is connected in parallel to a node where the inductors a are connected in series, and the other end of each capacitor a is grounded.
By adopting the technical scheme, each sub-phase shifter has different phase shift degrees, the quantity of the A capacitors and the A inductors, each capacitance value and each inductance value adopted in the circuit are different, but the connection modes of the A inductors and the A capacitors in the seven groups of sub-phase shifters are consistent, and the circuit realizes good matching in the frequency range of 108MHz to 174MHz based on the optimized design of the L/C low-pass filter principle.
Preferably, each of the two L/C power dividing circuits includes a B resistor, two ends of the B resistor are respectively connected in series with a B inductor, one end of each of the two B inductors, which is far away from the B resistor, and a node where the B inductor and the B resistor are connected in series are respectively connected with a B capacitor, the other end of each of the B capacitors is grounded, one ends of the two B inductors, which are far away from the B resistor, are connected in series, and an input end is led out at the series connection position thereof, two ends of the B resistor are respectively led out an output end, and the output end of each of the two L/C power dividing circuits can be connected with the input end of the next two L/C power dividing circuit.
By adopting the technical scheme, the input radio-frequency signal equal-power is divided into eight paths of output through seven identical L/C two-power division circuits.
Preferably, the capacitor A and the capacitor B are both chip radio frequency high Q capacitors, and the inductor A and the inductor B are both hollow coils wound by enameled wires.
By adopting the technical scheme, the L/C power dividing circuit and the L/C sub phase-shifting network are both made of a chip high-Q capacitor and an air-core coil wound by an enameled wire, and the same advantages are that the continuous wave radio-frequency signal of 50 watts can be borne at most; in addition, the L/C sub-phase-shifting network adopts the hollow coil as the inductor, and the phase shifting amount can be adjusted by adjusting the density of the hollow coil, so that the phase-shifting precision of the phase-shifting network is more accurate, and the phase-shifting network has a certain phase-shifting amount adjusting function.
Preferably, the eight phase-shifting network modules are flexibly arranged in the equipment shell, and the eight phase-shifting network modules are mutually independent.
By adopting the technical scheme, the whole equipment adopts a detachable and upgradable modular design, not only the volume and the weight are reduced by more than 30 percent compared with the conventional equipment, but also the building block construction of the whole equipment can be realized through flexible module configuration. If 1-8 phase-shifting network modules can be configured according to actual needs, the vacant port is only required to be configured with a 50-ohm load, and the phase-shifting function and precision are not affected; the framework can also realize any combination of typical 16-path, 32-path and 64-path internal phase-shifting networks, and overcomes the defects of one circuit framework of the conventional phase-shifting equipment.
To sum up, compare with prior art, the beneficial effects of the utility model reside in that:
1. the L/C circuit is adopted for power distribution network design, so that the miniaturization of the low-frequency high-power distribution network is realized;
2. the L/C circuit is adopted for phase-shifting network design, the traditional microstrip snake-shaped transmission line layout mode is abandoned, the transmission line area is greatly reduced, flexible and adjustable phase is realized in a certain range, and the phase-shifting network has excellent practical engineering application value;
3. by adopting the advanced CMOS switch technology, the power resistance can reach 10W continuous wave while realizing low insertion loss and low power consumption, and the problems of high power consumption, complex bias and low control speed of the conventional PIN switch are solved;
4. the control circuit technology of the CPLD framework is adopted, the control response speed can reach within 30nS, and the requirements of all platforms including high-speed radars on the phase-shifting speed can be met;
5. the whole equipment adopts a detachable and upgradable modular design, not only the volume and the weight are reduced by more than 30 percent compared with the conventional equipment, but also the building block of the whole equipment is realized through flexible module configuration. 1-8 phase-shifting network modules can be configured according to actual requirements, and the vacant port is only provided with a 50-ohm load, so that the phase-shifting function and the phase-shifting precision are not affected; in addition, any combination of typical 16-path, 32-path and 64-path internal phase-shifting networks can be realized by the framework, and the defects of one circuit framework of the conventional phase-shifting equipment are overcome.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic diagram of the embodiment;
FIG. 3 is a schematic diagram of a high power distribution network module;
FIG. 4 is a schematic block diagram of a phase shifting network module;
FIG. 5 is a schematic diagram of the circuit of FIG. 3;
fig. 6 is a schematic circuit diagram of seven sub-phase shifters in fig. 4.
Reference numerals: 1. a phase shifting network module; 9. a high-power distribution network module; 10. a control circuit; 11. an apparatus housing.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a V-band miniaturized low-power-consumption high-power digital phase-shifting network includes an equipment housing 11, wherein: the power distribution network module 9 is used for distributing power to the 108 MHz-174 MHz radio frequency signals, the eight phase-shifting network modules 1 are used for carrying out seven-bit digital phase shifting on the 108 MHz-174 MHz radio frequency signals, and the control circuit 10 is used for controlling the phase-shifting state of equipment; the high-power distribution network module 9 is integrally connected with the equipment shell 11, the high-power distribution network module 9 is provided with eight output ports, the eight phase-shifting network modules 1 correspond to the eight output ports of the high-power distribution network module 9 one by one and are connected in series through SMP blind-mating radio frequency connectors, the eight phase-shifting network modules 1 are fixed on the front surface of the equipment shell 11, the eight phase-shifting network modules 1 are respectively provided with control pins, and the control circuit 10 is installed on the bottom surface of the equipment shell 11 and is connected with the control pins of the phase-shifting network modules 1.
As shown in fig. 3, the high-power division network module 9 adopts an L/C power division circuit design, and includes 7 identical L/C two-power division circuits, an input signal sequentially passes through one L/C two-power division circuit, then is divided into two paths to enter two parallel L/C two-power division circuits, then is divided into four paths to enter four parallel L/C two-power division circuits, and then obtains eight paths of power division signals.
As shown in fig. 5, each L/C two-power dividing circuit includes a B resistor, two ends of the B resistor are respectively connected in series with a B inductor, one end of each B inductor, which is far from the B resistor, and a node where the B inductor and the B resistor are connected in series are respectively connected with a B capacitor, the other end of each B capacitor is grounded, one end of each B inductor, which is far from the B resistor, is connected in series, and an input end is led out at the serial connection position thereof, two ends of the B resistor are respectively led out an output end, the output end of each L/C two-power dividing circuit can be connected with the input end of the next L/C two-power dividing circuit, wherein the B capacitor is a chip-type radio frequency high-Q capacitor, the B inductor is made of an air-core coil wound by an enameled wire, and performs eight-path equal-power division on an.
As shown in fig. 2 and 4, the number of the phase shift network modules 1 is eight, and the phase shift network modules are respectively connected to the output ports of the eight paths of outputs after power division, so as to shift the phase of the signal after power division. Each phase shifting network module 1 comprises fourteen CMOS electronic change-over switches, seven groups of L/C sub phase shifting networks and seven groups of reference transmission lines, wherein the seven groups of L/C sub phase shifting networks are respectively a 5.625-degree sub phase shifter, an 11.25-degree sub phase shifter, a 22.5-degree sub phase shifter, a 45-degree sub phase shifter, a 90-degree sub phase shifter, a 180-degree sub phase shifter and a 360-degree sub phase shifter. The selection of whether to phase control the input signal via the corresponding sub-phase shifter or reference transmission line in seven states, 5.625, 11.25, 22.5, 45, 90, 180, 360, is made by the corresponding CMOS electronic switch.
Each phase control state comprises every two CMOS electronic change-over switches, a group of L/C sub-phase-shift networks and a group of reference transmission lines, specifically, as shown in figure 4, the phase control state is formed by connecting the group of L/C sub-phase-shift networks and the group of reference transmission lines in parallel, and connecting two ends of the nodes connected in parallel with the L/C sub-phase-shift networks and the group of reference transmission lines in a mode of respectively connecting one CMOS electronic change-over switch in series, the power consumption of the CMOS electronic change-over switches is extremely low, the working voltage of a single switch is a single power supply of +5V or +3.3V, the working current is less than 100 muA, the power consumption is less than 0.3mW, the insertion loss of the single switch in the frequency range of 108MHz to 174 MHz.
And finally, cascading the seven phase control states from small to large according to the phase shift amount. Through the cascade connection of all the sub phase shifters, the device realizes the functions of seven-seed phase shifting states of 5.625 degrees, 11.25 degrees, 22.5 degrees, 45 degrees, 90 degrees, 180 degrees and 360 degrees in a frequency range of 108 MHz-174 MHz, the maximum combination state reaches 128 types, the maximum phase shifting precision is 720 degrees, the integral insertion loss is less than or equal to 13dB (wherein the theoretical power division loss is 9dB), the actual loss is less than or equal to 4dB, the standing wave is less than or equal to 1.5, the phase shifting precision is less than or equal to 2.5 degrees, the maximum input radio frequency signal power is greater than 50W of continuous waves, and the phase shifting speed of the integral device is less than.
As shown in fig. 6, each group of sub-phase shifters is a low-pass filter circuit composed of a plurality of capacitors a with different capacitance values and a plurality of inductors a with different inductance values, the inductors a are connected in series, one end of the capacitor a is connected in parallel to a node where the inductors a are connected in series, and the other end is grounded. Each sub-phase shifter is different according to respective phase shift degrees, not only are the inductance values and capacitance values of the A capacitor and the A inductor adopted in the same circuit different, but the quantity of the A capacitor and the A inductor in different circuits is also different, but the connection modes of the A inductor and the A capacitor in the seven groups of sub-phase shifters are consistent, for example, 360-degree phase shift in fig. 6 is taken as an example, the circuit realizes good matching in the frequency range of 108 MHz-174 MHz based on the optimized design of the L/C low-pass filter principle, the standing wave is less than 1.15, the insertion loss is less than 0.2dB, and the phase shift error is less than or equal to 0.3 degrees; the circuit forms of other phase-shifting states are similar, and the circuit performance is better because the phase-shifting degree is less, the typical value is that the standing wave is less than 1.1, the insertion loss is less than 0.1dB, and the phase-shifting error is less than 0.2 degrees; the capacitor A is a chip high Q capacitor, the inductor A is made of an air core coil wound by an enameled wire and can bear 50W of continuous wave radio frequency signals to pass through at most, the inductor adopts the air core coil, and the phase shift amount can be adjusted by adjusting the density of the air core coil, so that the phase shift accuracy of the phase shift network is more accurate, and meanwhile, the phase shift network has a certain phase shift amount tuning function.
The control circuit 10 adopts a programmable logic circuit based on a CPLD framework, the control response speed can reach 30ns, the requirement of all platforms including a high-speed radar platform on the phase shift speed can be met, the control circuit 10 is connected with the phase shift network module 1 to control the phase shift amount of the phase shift network, the control circuit 10 is a programmable logic circuit based on the CPLD framework, the control circuit 10 is connected with the control end of each CMOS electronic selector switch in each phase shift network module 1 to control the switching state of the CMOS electronic selector switch, and whether a control signal enters a reference transmission line or a corresponding sub phase shifter or not is controlled. Finally, the output end of the phase-shifting network module 1 outputs the radio frequency signal after the phase shift amount is controlled by the control circuit 10, and the power consumption of the equipment is less than 500mW, which is lower than that of the conventional equivalent radio frequency power phase-shifting equipment 1/20, so that the phase-shifting network module has the advantage of low power consumption.
Eight phase shift network module 1 arrange in equipment shell 11 in a flexible way, and eight phase shift network module 1 mutual independence can carry out independent dismouting to each phase shift network module, have possessed the upgradability of good maintainability and later stage function. If 1-8 phase-shifting network modules 1 can be configured according to actual needs, the vacant port is only required to be configured with 50 ohm load, and the phase-shifting function and precision are not affected; the framework can also realize any combination of typical 16-path, 32-path and 64-path internal phase-shifting networks, and overcomes the defects of one circuit framework of the conventional phase-shifting equipment.
Further, the size of the device shell 11 is 255mm × 140mm × 15mm, and the volume is below 1/3 of the conventional device, so that the utility model has the advantage of miniaturization.
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a miniaturized low-power consumption high-power digital phase shift network of V frequency channel, includes equipment casing (11), its characterized in that is equipped with in equipment casing (11): the power distribution network module (9) is used for distributing power to 108 MHz-174 MHz radio frequency signals, the eight phase-shifting network modules (1) are used for carrying out seven-bit digital phase shifting on the 108 MHz-174 MHz radio frequency signals, and the control circuit (10) is used for carrying out phase-shifting state control on equipment;
high-power distribution network module and equipment housing (11) body coupling, just high-power distribution network module (9) are equipped with eight delivery outlets, eight phase shift network module (1) with eight delivery outlets one-to-ones of high-power distribution network module (9) and through SMP blind plugging radio frequency connector formation series connection, and eight phase shift network module (1) is fixed in equipment housing (11) openly, eight phase shift network module (1) is equipped with the control needle respectively, control circuit (10) are installed in equipment housing (11) bottom surface and are linked to each other with the control needle of phase shift network module (1).
2. The V-band miniaturized low-power-consumption high-power digital phase-shifting network according to claim 1, wherein the high-power division network module (9) is designed by adopting an L/C power division circuit and comprises 7 identical L/C two-power division circuits, an input signal sequentially passes through one L/C two-power division circuit and then is divided into two paths to enter the two parallel L/C two-power division circuits, and then is divided into four paths to enter the four parallel L/C two-power division circuits, so that eight paths of power division signals are obtained.
3. The V-band miniaturized low-power-consumption high-power digital phase-shifting network according to claim 2, wherein each phase-shifting network module (1) comprises fourteen CMOS electronic change-over switches, seven groups of L/C sub-phase-shifting networks and seven groups of reference transmission lines, every two CMOS electronic change-over switches, one group of L/C sub-phase-shifting networks and one group of reference transmission lines are in a phase control state, the phase control state is formed by connecting the group of L/C sub-phase-shifting networks and the group of reference transmission lines in parallel, and connecting two ends of a node where the two are connected in parallel in series with a CMOS electronic change-over switch respectively, and seven groups of phase control states are cascaded from small to large according to phase shift amount.
4. The V-band miniaturized low-power-consumption high-power digital phase-shifting network according to claim 3, wherein the control circuit (10) is a programmable logic circuit based on a CPLD framework, and the control circuit (10) is connected with a control end of a CMOS electronic switch in the phase-shifting network module (1) to control the switching state of the CMOS electronic switch.
5. The V-band miniaturized low-power-consumption high-power digital phase shift network according to claim 4, wherein the seven groups of L/C sub-phase shift networks are respectively a 5.625-degree sub-phase shifter, an 11.25-degree sub-phase shifter, a 22.5-degree sub-phase shifter, a 45-degree sub-phase shifter, a 90-degree sub-phase shifter, a 180-degree sub-phase shifter and a 360-degree sub-phase shifter.
6. The V-band miniaturized low-power-consumption high-power digital phase-shifting network according to claim 5, wherein each group of sub phase shifters is a low-pass filter circuit composed of a plurality of capacitors A with different capacitance values and a plurality of inductors A with different inductance values, the plurality of inductors A are connected in series, one end of each capacitor A is connected in parallel to a node where the inductors A are connected in series, and the other end of each capacitor A is grounded.
7. The V-band miniaturized low-power-consumption high-power digital phase-shifting network according to claim 6, wherein each of the L/C two power dividing circuits includes a B resistor, two ends of the B resistor are respectively connected in series with a B inductor, one end of each of the B inductors, which is far away from the B resistor, and a node where the B inductor and the B resistor are connected in series are respectively connected with a B capacitor, the other end of each of the B capacitors is grounded, one ends of the two B inductors, which are far away from the B resistor, are connected in series, and an input end is led out from the series connection of the two B inductors, two ends of the B resistor are respectively led out an output end, and the output end of each of the L/C two power dividing circuits can be connected with the input end of the next L/C.
8. The V-band miniaturized low-power-consumption high-power digital phase-shifting network according to claim 7, wherein the capacitor A and the capacitor B are both chip radio-frequency high-Q capacitors, and the inductor A and the inductor B are both air-core coils wound by enameled wires.
9. The V-band miniaturized low-power-consumption high-power digital phase-shifting network according to claim 1, wherein eight phase-shifting network modules (1) are flexibly arranged in an equipment shell (11), and the eight phase-shifting network modules (1) are independent of each other.
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