CN204031163U - High-power millimeter wave transceiving assembly - Google Patents
High-power millimeter wave transceiving assembly Download PDFInfo
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- CN204031163U CN204031163U CN201420401573.0U CN201420401573U CN204031163U CN 204031163 U CN204031163 U CN 204031163U CN 201420401573 U CN201420401573 U CN 201420401573U CN 204031163 U CN204031163 U CN 204031163U
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Abstract
The utility model provides a kind of high-power millimeter wave transceiving assembly, comprise transmitter unit, receiving element, local oscillator merit subdivision, self-test unit and power supply/control unit, transmitter unit is processed the Ka band signal power amplification of outside input and is launched through power amplifier transmission channel by signal; Receiving element comprises three road receive paths, be respectively and passage, gun parallax passage and trim passage, share same interface with passage by a circulator and described power amplifier transmission channel, Gai San road receive path carries out respectively after signal processing, output and intermediate-freuqncy signal He Cha road, road intermediate-freuqncy signal; Local oscillator merit subdivision produces three tunnel outputs, for the frequency mixer of transmitter unit and receiving element provides local oscillation signal; Self-test unit comprises power detection module and transmitting-receiving closed loop selftest module, and realizes above-mentioned power detection and the detection of transmitting-receiving closed loop by switching over; Power supply/control unit provides power amplifier protection, pulse modulation and self-inspection and transmitting-receiving sequencing control.
Description
Technical field
The utility model relates to communication technical field, and especially radio communication, in particular to the high-power millimeter wave transceiving assembly of one.
Background technology
Millimeter wave (millimeter wave) refers to that wavelength is the electromagnetic wave of 1～10 millimeter, it is positioned at the wave-length coverage that microwave and far infrared wave overlap mutually, thereby have the feature of two kinds of wave spectrums concurrently, be mainly reflected in: 1) extremely wide bandwidth: it has been generally acknowledged that millimeter-wave frequency scope is 26.5～300GHz, bandwidth is up to 273.5GHz.Exceed 10 times of from direct current to microwave whole bandwidth.Even if consideration Atmospheric Absorption, can only be used four main windows in atmosphere while propagation, but the total bandwidth of these four windows also can reach 135GHz, be 5 times of the following band sum of microwave.This today in frequency resource anxiety very attractive undoubtedly; 2) wave beam is narrow: under same antenna size, the wave beam of millimeter wave is much narrower than the wave beam of microwave, the for example antenna of a 12cm, in the time of 9.4GHz, beamwidth is 18 degree, and therefore only 1.8 degree of velocity of wave width when 94GHz can be differentiated at a distance of nearer little target or the details of object observing more clearly; 3), compared with laser, the impact of millimeter wave propagation climate is much smaller, can think and have round-the-clock characteristic; 4) compare with microwave, the size of millimeter wave components and parts is much smaller, the therefore easier miniaturization of millimeter-wave systems.
The plurality of advantages having due to millimeter wave, it all has important application at aspects such as communication, radar, guidance, remote sensing technologies, for example, compared with microwave radar, the volume of millimetre-wave radar is little, quality is light, can effectively improve the mobility of radar with disguised, and wave beam is narrow, resolving power is high, can carry out target identification and imaging, be conducive to low-elevation tracking; Bandwidth, antenna sidelobe is low, is conducive to anti-interference.
As the core component of millimetre-wave radar, the size of millimeter wave transceiving rating of set and the height of integrated level are all the emphasis of scientific research in recent years.The high-power power amplifier of millimeter wave of the prior art also can be accomplished hectowatt, but volume is large, cannot be integrated with reception, and receive and dispatch at present integrated millimeter wave triple channel component power conventionally below 10W, realizing the high-power receive-transmit system integrated technology of front end is millimetre-wave radar field problem in the urgent need to address.
Utility model content
The defect or the deficiency that exist for solving prior art, the purpose of this utility model is to propose a kind of high-power millimeter wave transceiving assembly.
Above-mentioned purpose of the present utility model realizes by the technical characterictic of independent claims, and dependent claims develops the technical characterictic of independent claims with alternative or favourable mode.
For reaching above-mentioned purpose, the technical scheme that the utility model adopts is as follows:
A kind of high-power millimeter wave transceiving assembly, comprises transmitter unit, receiving element, local oscillator merit subdivision, self-test unit and power supply/control unit, wherein:
Transmitter unit is processed the Ka band signal power amplification of outside input and is launched through power amplifier transmission channel by signal;
Receiving element comprises three road receive paths, be respectively and passage, gun parallax passage and trim passage, share same interface with passage by a circulator and described power amplifier transmission channel, Gai San road receive path carries out respectively after signal processing, output and intermediate-freuqncy signal He Cha road, road intermediate-freuqncy signal;
Local oscillator merit subdivision produces three tunnels outputs by frequency multiplication, for the frequency mixer of transmitter unit and the frequency mixer of receiving element provide local oscillation signal;
Self-test unit comprises the power detection module detecting for transmit signal power and whether receives and dispatches normally closed loop selftest module for detection of receiving branch frequency conversion enlarging function, and realizes above-mentioned power detection and the detection of transmitting-receiving closed loop by switching over;
Power supply/control unit provides power supply supply and control signal for described transmitter unit, receiving element, local oscillator merit subdivision.
Further in embodiment, described local oscillator merit subdivision comprises the first frequency multiplier connecting successively, the first amplifier, the second frequency multiplier, the second amplifier, LC filter and two power splitters, the crystal oscillator signal of input is successively through described the first frequency multiplier, the second frequency multiplier carries out after frequency multiplication, input described LC filter and carry out filtering processing, finally enter described two power splitters, this two power splitters Yi road output is first via local oscillation signal, its another road output is exported two-way after another power splitter, be respectively the second road and Third Road local oscillation signal, this first local oscillation signal provides the frequency mixer to described transmitter unit, the second road and Third Road local oscillation signal provide respectively the frequency mixer to receiving element.
Further in embodiment, described transmitter unit is by the numerical-control attenuator connecting successively, the first intermediate frequency amplifier, the first frequency mixer, transmitter unit waveguide filter, transmitter unit power amplifier module composition, transmitter unit power amplifier module comprises front stage drive circuit and final stage synthesized power amplifier, input signal is inputted the first intermediate frequency amplifier after numerical-control attenuator carries out signal attenuation, the first frequency mixer Yi road is input as the output of the first intermediate frequency amplifier, its another road is input as the first via local oscillation signal that aforementioned local oscillator merit subdivision produces, the output signal of this first frequency mixer enters power amplifier module after guide filter, synthesize and carry out power amplification by spatial power, finally export described circulator to, launch through power amplifier transmission channel.
Further in embodiment; described receiving element include with passage, gun parallax passage and trim passage the protection switch assembly, low noise amplifier, waveguide filter, frequency mixer, intermediate frequency LC filter and the intermediate frequency amplifier that are connected successively; described gun parallax passage and trim passage are realized signal by a single-pole double-throw switch (SPDT) and are switched and share waveguide filter, frequency mixer, intermediate frequency LC filter and intermediate frequency amplifier; described and protection switch assembly passage is a two-stage protection switch, wherein:
With passage by the first protection switch assembly being connected successively, the first low noise amplifier, first wave guide filter, the second frequency mixer, the first intermediate frequency LC filter, the second intermediate frequency amplifier composition, the reception signal of inputting by described circulator is after the first protection switch assembly, enter successively the first low noise amplifier, first wave guide filter amplifies and filtering processing, then enter the second frequency mixer, another road of this second frequency mixer is input as the second road local oscillation signal that aforementioned local oscillator merit subdivision produces, the output of this second frequency mixer is finally successively through the first intermediate frequency LC filter, the second intermediate frequency amplifier carries out after LC filtering and intermediate frequency amplification, output and road intermediate-freuqncy signal,
Gun parallax passage is made up of the second protection switch assembly connecting successively, the second low noise amplifier, Second Wave waveguide filter, three-mixer, the second intermediate frequency LC filter, the second intermediate frequency amplifier; Orientation input signal is after the second protection switch assembly, enter successively the second low noise amplifier, Second Wave waveguide filter amplifies and filtering processing, then enter three-mixer, another road of this second frequency mixer is input as the Third Road local oscillation signal that aforementioned local oscillator merit subdivision produces, the output of this three-mixer is finally carried out after LC filtering and intermediate frequency amplify through the second intermediate frequency LC filter, the second intermediate frequency amplifier successively, output gun parallax signal; And
Trim passage and described gun parallax passage share Second Wave waveguide filter, three-mixer, the second intermediate frequency LC filter and the second intermediate frequency amplifier, and realize the switching of trim passage and gun parallax passage by a single-pole double-throw switch (SPDT), this trim passage comprises the 3rd protection switch assembly, the 3rd low noise amplifier and described Second Wave waveguide filter, three-mixer, the second intermediate frequency LC filter and the second intermediate frequency amplifier, pitching input signal is after the 3rd protection switch assembly, enter the 3rd low noise amplifier and carry out low noise amplification, then switch and enter trim passage through described single-pole double-throw switch (SPDT), enter Second Wave waveguide filter and carry out filtering processing, then enter three-mixer, another road of this second frequency mixer is input as the Third Road local oscillation signal that aforementioned local oscillator merit subdivision produces, the output of this three-mixer is finally successively through the second intermediate frequency LC filter, the second intermediate frequency amplifier carries out after LC filtering and intermediate frequency amplification, output trim signal.
Further, in embodiment, described protection switch assembly is multiple PIN diode cascade structures.
Further in embodiment, described self-test unit comprises one first coupler, self-inspection switching single-pole double-throw switch (SPDT) and aforementioned power detection module and transmitting-receiving closed loop selftest module, power detection module is made up of a wave detector and power-sensing circuit, transmitting-receiving closed loop selftest module is made up of a hilted broadsword list switch and the second coupler, wherein:
Aforementioned the first coupler is inputted aforementioned self-inspection and is switched single-pole double-throw switch (SPDT) from the described power amplifier transmission channel detection signal that is coupled, the output that single-pole double-throw switch (SPDT) is switched in this self-inspection is connected to respectively the hilted broadsword list switch of aforementioned transmitting-receiving closed loop selftest module and the wave detector of power detection module, wave detector detects after power vision signal, input power testing circuit, power-sensing circuit is again by its inner amplifier and low steady state trigger, output low and high level, i.e. power indication signals;
The output of aforementioned hilted broadsword list switch is connected to aforementioned the second coupler, this second coupler by detection signal be coupled in described receiving element and passage, carry out self-inspection by described and passage.
From above the technical solution of the utility model, the high-power millimeter wave transceiving assembly that the utility model proposes, compared with prior art, its remarkable advantage is:
1, in whole assembly, designed self-test unit, whether the power detection transmitting and detection receiving branch frequency conversion enlarging function be normal, realized in advance and having detected, Assurance component transmitting-receiving accuracy and accuracy;
2 and passage by the shared same interface of a circulator and described power amplifier transmission channel, and trim passage and gun parallax passage share multiple assemblies, device, integrated level is high, reduce the global design of whole assembly, significantly reduce the volume of assembly, for high precision such as microwave radars with concerning the high application scenario of volume requirement, it is a kind of improvement of an urgent demand;
3, in receiving path, designed circulator, ensure that transmit signal leakage is can intensity not excessive to the signal of receiving branch, make transmit leakage signal cover self-test signal, do not need additionally to launch self-test signal, reduce interference and impact between signal, improve the precision of power amplifier components;
4, local oscillator merit subdivision, by the design of frequency multiplication, can easily be realized the millimeter wave expansion of existing frequency synthesis technique;
5, receiving element is realized three road signal receiving functions by low noise amplification, filtering, mixing; wherein a road receives and transmitting realizes by high-power circulator and the sharing of passage dual-mode antenna, and receiving element is realized under launching and is received from defencive function and realizes the amplitude-phase consistency of three tunnels receptions by Linear Redundancy by protection switch simultaneously.
Brief description of the drawings
Fig. 1 is the electrical block diagram of the high-power millimeter wave transceiving assembly of the utility model one execution mode.
Fig. 2 is an example arrangement schematic diagram of local oscillator merit subdivision in Fig. 1 embodiment.
Fig. 3 is an example arrangement schematic diagram of transmitter unit in Fig. 1 embodiment.
Fig. 4 is an example arrangement schematic diagram of receiving element in Fig. 1 embodiment.
Fig. 5 is an example arrangement schematic diagram of self-test unit in Fig. 1 embodiment.
Fig. 6 is the synthetic theory diagram of transmitter unit Zhong16 road spatial power.
Embodiment
In order more to understand technology contents of the present utility model, especially exemplified by specific embodiment and coordinate appended graphic being described as follows.
Figure 1 shows that the circuit structure of the high-power millimeter wave transceiving assembly of utility model one execution mode, wherein, a kind of high-power millimeter wave transceiving assembly, comprise local oscillator merit subdivision 1, transmitter unit 2, receiving element 3, self-test unit 4 and power supply/control unit 5, wherein: transmitter unit 2 is processed the Ka band signal power amplification of outside input and launched through power amplifier transmission channel by signal; Receiving element 3 comprises three road receive paths, be respectively and passage, gun parallax passage and trim passage, share same interface with passage by a circulator 6 and described power amplifier transmission channel, Gai San road receive path carries out respectively after signal processing, output and intermediate-freuqncy signal He Cha road, road intermediate-freuqncy signal; Local oscillator merit subdivision 1 produces three tunnels outputs by frequency multiplication, for the frequency mixer of transmitter unit 2 and the frequency mixer of receiving element 3 provide local oscillation signal; Self-test unit 4 comprises the power detection module detecting for transmit signal power and whether receives and dispatches normally closed loop selftest module for detection of receiving branch frequency conversion enlarging function, and realizes above-mentioned power detection and the detection of transmitting-receiving closed loop by switching over; Power supply/control unit provides power supply supply and control signal for described transmitter unit, receiving element, local oscillator merit subdivision.
Shown in Fig. 2-6, illustrate composition and the enforcement thereof of above-mentioned each unit of the present utility model.
Local oscillator merit subdivision 1 is mainly used for the local oscillator excitation signal of input to carry out quadruple amplification, local oscillator as transmitter unit and receiving element drives signal, the mode realizing comprises that direct quadruple is amplified or twice two frequencys multiplication are amplified, consider the frequency of local oscillator excitation signal, what in the present embodiment, select is that twice two frequencys multiplication are amplified mode.As shown in Figure 2, in the present embodiment, described local oscillator merit subdivision 1 comprises the first frequency multiplier 1a connecting successively, the first amplifier 1b, the second frequency multiplier 1c, the second amplifier 1d, LC filter 1e and two power splitter 1f, the crystal oscillator signal of input is successively through described the first frequency multiplier 1a, the second frequency multiplier 1c carries out after frequency multiplication, input described LC filter 1e and carry out filtering processing, finally enter described two power splitter 1f, this two power splitter 1f mono-tunnel output first via local oscillation signal, its another road output is exported two-way after another power splitter 1g, be respectively the second road and Third Road local oscillation signal, this first via local oscillation signal provides the frequency mixer to described transmitter unit, the second road and Third Road local oscillation signal provide respectively the frequency mixer to receiving element.
Be illustrated in figure 3 an illustrative embodiments of transmitter unit 2, wherein, transmitter unit 2 is by the numerical-control attenuator 2a connecting successively, the first intermediate frequency amplifier 2b, the first frequency mixer 2c, transmitter unit waveguide filter 2d, transmitter unit power amplifier module 2e composition, transmitter unit power amplifier module 2e comprises front stage drive circuit and final stage synthesized power amplifier, input signal is inputted the first intermediate frequency amplifier 2b after numerical-control attenuator 2a carries out signal attenuation, the first frequency mixer 2c mono-tunnel is input as the output of the first intermediate frequency amplifier 2b, its another road is input as the first via local oscillation signal that aforementioned local oscillator merit subdivision 1 produces, the output signal of this first frequency mixer 2c enters power amplifier module 2e after guide filter, synthesize and carry out power amplification by spatial power, finally export described circulator 6 to, launch through power amplifier transmission channel.
In the present embodiment, consider the watt level of the intermediate-freuqncy signal of input, after reducing mixing, power amplifier module gains, on intermediate frequency branch road, put a first intermediate frequency amplifier 2b, make the signal power that enters the first frequency mixer 2c approach P-1 input power, reduce to greatest extent the gain of power amplifier module after mixing, reduced the possibility of power amplifier module self-excitation.
As shown in Figure 3, in the present embodiment, transmitter unit 2 synthesizes by up-conversion, filtering, spatial power, and Ka band signal is amplified to 30W, realizes desired signal power amplification output.One-stage amplifier cannot meet demanded power output, therefore need to adopt power synthetic, conventional power synthesis mode has directly synthetic and space to synthesize, compare directly synthetic, space is synthetic has advantages of that volume is little, combined coefficient is high, the large and less feature of small product size of the power output of considering assembly, adopts space synthesis mode in the present embodiment.
The synthetic illustrative embodiments of spatial power as shown in Figure 6, the power amplification of 30W adopts chip Lange bridge to guarantee standing wave and stable as basic synthesis unit, adopt again branch-waveguide+four point probe blending space synthetic, finally form three-stage cascade 16 road synthesis mode.
Be illustrated in figure 4 an illustrative embodiments of receiving element 3, wherein, described receiving element and passage, gun parallax passage and trim passage include the protection switch assembly connecting successively, low noise amplifier, waveguide filter, frequency mixer, intermediate frequency LC filter and intermediate frequency amplifier, described gun parallax passage and trim passage are realized signal by a single-pole double-throw switch (SPDT) and are switched and share waveguide filter, frequency mixer, intermediate frequency LC filter and intermediate frequency amplifier, described and protection switch assembly passage is a two-stage protection switch, ensure that transmitting-receiving isolation is greater than 60dB.
Particularly, as shown in Figure 2, being specifically constructed as follows of described and passage, gun parallax passage and trim passage:
With passage by the first protection switch assembly 3a-1 being connected successively, the first low noise amplifier 3a-2, first wave guide filter 3a-3, the second frequency mixer 3a-4, the first intermediate frequency LC filter 3a-5, the second intermediate frequency amplifier 3a-6 composition, the reception signal of inputting by described circulator 6 is after the first protection switch assembly 3a-1, enter successively the first low noise amplifier 3a-2, first wave guide filter 3a-3 amplifies and filtering processing, then enter the second frequency mixer 3a-4, another road of this second frequency mixer is input as the second road local oscillation signal that aforementioned local oscillator merit subdivision 1 produces, the output of this second frequency mixer 3a-4 is finally successively through the first intermediate frequency LC filter 3a-5, the second intermediate frequency amplifier 3a-6 carries out after LC filtering and intermediate frequency amplification, output and road intermediate-freuqncy signal.
Gun parallax passage is made up of the second protection switch assembly 3b-1, the second low noise amplifier 3b-2 that connect successively, Second Wave waveguide filter 3b-3, three-mixer 3b-4, the second intermediate frequency LC filter 3b-5, the second intermediate frequency amplifier 3b-6; Orientation input signal is after the second protection switch assembly 3b-1; enter successively the second low noise amplifier 3b-2, Second Wave waveguide filter 3b-3 amplifies and filtering processing; then enter three-mixer 3b-4; another road of this second frequency mixer 3b-4 is input as the Third Road local oscillation signal that aforementioned local oscillator merit subdivision 1 produces; the output of this three-mixer 3b-4 is finally carried out after LC filtering and intermediate frequency amplify through the second intermediate frequency LC filter 3b-5, the second intermediate frequency amplifier 3b-6 successively, output gun parallax signal.
Trim passage and described gun parallax passage share Second Wave waveguide filter 3b-3, three-mixer 3b-4, the second intermediate frequency LC filter 3b-5 and the second intermediate frequency amplifier 3b-6, and realize the switching of trim passage and gun parallax passage by a single-pole double-throw switch (SPDT) 3d, this trim passage comprises the 3rd protection switch assembly 3c-1, the 3rd low noise amplifier 3c-2 and Second Wave waveguide filter 3b-3, three-mixer 3b-4, the second intermediate frequency LC filter 3b-5 and the second intermediate frequency amplifier 3b-6, pitching input signal is after the 3rd protection switch assembly 3c-1, enter the 3rd low noise amplifier 3c-2 and carry out low noise amplification, then switch and enter trim passage through described single-pole double-throw switch (SPDT) 3d, enter Second Wave waveguide filter 3b-3 and carry out filtering processing, then enter three-mixer 3b-4, another road of this second frequency mixer 3b-4 is input as the Third Road local oscillation signal that aforementioned local oscillator merit subdivision 1 produces, the output of this three-mixer 3b-4 is finally successively through the second intermediate frequency LC filter 3b-5, the second intermediate frequency amplifier 3b-6 carries out after LC filtering and intermediate frequency amplification, output trim signal.
The effect that protection switch assembly (3a-1,3a-b, 3c-1) plays is that switch cuts out the in the situation that of transmitting branch work; the excessive receiving branch that causes of signal of avoiding transmitting branch to leak damages; consider that transmitting branch power is larger; as optimal way; described protection switch assembly (3a-1,3b-1,3c-1) is the switch of resistance to high-power, fast response time, and the internal structure of switch is multiple PIN diode cascade structures.
As optional execution mode, as shown in Figure 5, described self-test unit 4 comprises one first coupler 4a, self-inspection switching single-pole double-throw switch (SPDT) 4b and aforementioned power detection module 4c and transmitting-receiving closed loop selftest module 4d, power detection module 4c is made up of a wave detector 4c-1 and power-sensing circuit 4c-2, transmitting-receiving closed loop selftest module 4d is made up of a hilted broadsword list switch 4d-1, the second coupler 4d-2 and described and passage, wherein:
Aforementioned the first coupler 4a inputs aforementioned self-inspection and switches single-pole double-throw switch (SPDT) 4b from the described power amplifier transmission channel detection signal that is coupled, the output that single-pole double-throw switch (SPDT) 4b is switched in this self-inspection is connected to respectively the hilted broadsword list switch 4d-1 of aforementioned transmitting-receiving closed loop selftest module and the wave detector 4c-1 of power detection module, the output of wave detector 4c-1 is connected with the input of power-sensing circuit 4c-2, wave detector 4c-1 detects after power vision signal, input power testing circuit 4c-2, power-sensing circuit 4c-2 is again by its inner amplifier and low steady state trigger, output low and high level, it is power indication signals,
The output of aforementioned hilted broadsword list switch 4d-1 is connected to aforementioned the second coupler 4d-2, this second coupler 4d-2 by detection signal be coupled in described receiving element 2 and passage, by carrying out self-inspection with passage.
As shown in table 1 below for utilizing the test result of the high-power millimeter wave transceiving assembly of the present embodiment, as can be seen from Table 1: transmitting power output >=35W, top falls 15%, inband flatness≤0.6dB, before and after pulse, edge is less than 50ns.Receiver gain 25.6dB, noise factor maximum is 4.1, gain flatness≤0.3dB/50MHz, and poor isolation >=35dB, and poor amplitude coincidence≤± 0.5dB, Image-rejection ration >=50dB.
Table 1
| Sequence number | Product index | Output-index |
| 1 | Gain | 25.6 |
| 2 | Noise factor | 4.1 |
| 3 | Gain flatness: | ≤0.3dB/50MHz |
| 4 | With poor isolation | ≥35 |
| 5 | With poor amplitude coincidence | ≤±0.5dB |
| 6 | Mirror image inhibition degree | ≥50 |
| 7 | Intermediate frequency | (1400±250)MHz |
| 8 | Transmitting power output | ≥35W |
| 9 | Transmitting duty ratio | ≤30％ |
| 10 | Transmitting clutter suppresses | ≥35dB |
| 11 | Transmitting inband flatness: | ≤0.6dB |
| 12 | Edge before and after pulse | 50ns |
| 13 | Top falls | 15％ |
| 14 | Prevention at radio-frequency port standing wave | ≤1.5 |
| 15 | Local oscillator port standing wave | ≤1.5 |
| 16 | Intermediate frequency port standing wave | ≤1.5 |
Although the utility model discloses as above with preferred embodiment, so it is not in order to limit the utility model.Under the utility model, in technical field, have and conventionally know the knowledgeable, not departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations.Therefore, protection range of the present utility model is when being as the criterion depending on claims person of defining.
Claims (6)
1. a high-power millimeter wave transceiving assembly, is characterized in that, comprises transmitter unit, receiving element, local oscillator merit subdivision, self-test unit and power supply/control unit, wherein:
Transmitter unit is processed the Ka band signal power amplification of outside input and is launched through power amplifier transmission channel by signal;
Receiving element comprises three road receive paths, be respectively and passage, gun parallax passage and trim passage, share same interface with passage by a circulator and described power amplifier transmission channel, Gai San road receive path carries out respectively after signal processing, output and intermediate-freuqncy signal He Cha road, road intermediate-freuqncy signal;
Local oscillator merit subdivision produces three tunnels outputs by frequency multiplication, for the frequency mixer of transmitter unit and the frequency mixer of receiving element provide local oscillation signal;
Self-test unit comprises the power detection module detecting for transmit signal power and whether receives and dispatches normally closed loop selftest module for detection of receiving branch frequency conversion enlarging function, and realizes above-mentioned power detection and the detection of transmitting-receiving closed loop by switching over;
Power supply/control unit provides power supply supply and control signal for described transmitter unit, receiving element, local oscillator merit subdivision.
2. high-power millimeter wave transceiving assembly according to claim 1, it is characterized in that, described local oscillator merit subdivision comprises the first frequency multiplier connecting successively, the first amplifier, the second frequency multiplier, the second amplifier, LC filter and two power splitters, the crystal oscillator signal of input is successively through described the first frequency multiplier, the second frequency multiplier carries out after frequency multiplication, input described LC filter and carry out filtering processing, finally enter described two power splitters, this two power splitters Yi road output is first via local oscillation signal, its another road output is exported two-way after another power splitter, be respectively the second road and Third Road local oscillation signal, this first via local oscillation signal provides the frequency mixer to described transmitter unit, the second road and Third Road local oscillation signal provide respectively the frequency mixer to receiving element.
3. high-power millimeter wave transceiving assembly according to claim 2, it is characterized in that, described transmitter unit is by the numerical-control attenuator connecting successively, the first intermediate frequency amplifier, the first frequency mixer, transmitter unit waveguide filter, transmitter unit power amplifier module composition, transmitter unit power amplifier module comprises front stage drive circuit and final stage synthesized power amplifier, input signal is inputted the first intermediate frequency amplifier after numerical-control attenuator carries out signal attenuation, the first frequency mixer Yi road is input as the output of the first intermediate frequency amplifier, its another road is input as the first via local oscillation signal that aforementioned local oscillator merit subdivision produces, the output signal of this first frequency mixer enters power amplifier module after guide filter, synthesize and carry out power amplification by spatial power, finally export described circulator to, launch through power amplifier transmission channel.
4. high-power millimeter wave transceiving assembly according to claim 2; it is characterized in that; described receiving element include with passage, gun parallax passage and trim passage the protection switch assembly, low noise amplifier, waveguide filter, frequency mixer, intermediate frequency LC filter and the intermediate frequency amplifier that are connected successively; described gun parallax passage and trim passage are realized signal by a single-pole double-throw switch (SPDT) and are switched and share waveguide filter, frequency mixer, intermediate frequency LC filter and intermediate frequency amplifier; described and protection switch assembly passage is a two-stage protection switch, wherein:
With passage by the first protection switch assembly being connected successively, the first low noise amplifier, first wave guide filter, the second frequency mixer, the first intermediate frequency LC filter, the second intermediate frequency amplifier composition, the reception signal of inputting by described circulator is after the first protection switch assembly, enter successively the first low noise amplifier, first wave guide filter amplifies and filtering processing, then enter the second frequency mixer, another road of this second frequency mixer is input as the second road local oscillation signal that aforementioned local oscillator merit subdivision produces, the output of this second frequency mixer is finally successively through the first intermediate frequency LC filter, the second intermediate frequency amplifier carries out after LC filtering and intermediate frequency amplification, output and road intermediate-freuqncy signal,
Gun parallax passage is made up of the second protection switch assembly connecting successively, the second low noise amplifier, Second Wave waveguide filter, three-mixer, the second intermediate frequency LC filter, the second intermediate frequency amplifier, orientation input signal is after the second protection switch assembly, enter successively the second low noise amplifier, Second Wave waveguide filter amplifies and filtering processing, then enter three-mixer, another road of this second frequency mixer is input as the Third Road local oscillation signal that aforementioned local oscillator merit subdivision produces, the output of this three-mixer is finally carried out after LC filtering and intermediate frequency amplify through the second intermediate frequency LC filter, the second intermediate frequency amplifier successively, output gun parallax signal, and trim passage and the shared Second Wave waveguide filter of described gun parallax passage, three-mixer, the second intermediate frequency LC filter and the second intermediate frequency amplifier, and realize the switching of trim passage and gun parallax passage by a single-pole double-throw switch (SPDT), this trim passage comprises the 3rd protection switch assembly, the 3rd low noise amplifier and described Second Wave waveguide filter, three-mixer, the second intermediate frequency LC filter and the second intermediate frequency amplifier, pitching input signal is after the 3rd protection switch assembly, enter the 3rd low noise amplifier and carry out low noise amplification, then switch and enter trim passage through described single-pole double-throw switch (SPDT), enter Second Wave waveguide filter and carry out filtering processing, then enter three-mixer, another road of this second frequency mixer is input as the Third Road local oscillation signal that aforementioned local oscillator merit subdivision produces, the output of this three-mixer is finally successively through the second intermediate frequency LC filter, the second intermediate frequency amplifier carries out after LC filtering and intermediate frequency amplification, output trim signal.
5. high-power millimeter wave transceiving assembly according to claim 4, is characterized in that, described protection switch assembly is multiple PIN diode cascade structures.
6. high-power millimeter wave transceiving assembly according to claim 4, it is characterized in that, described self-test unit comprises one first coupler, self-inspection switching single-pole double-throw switch (SPDT) and aforementioned power detection module and transmitting-receiving closed loop selftest module, power detection module is made up of a wave detector and power-sensing circuit, transmitting-receiving closed loop selftest module is made up of a hilted broadsword list switch and the second coupler, wherein:
Aforementioned the first coupler is inputted aforementioned self-inspection and is switched single-pole double-throw switch (SPDT) from the described power amplifier transmission channel detection signal that is coupled, the output that single-pole double-throw switch (SPDT) is switched in this self-inspection is connected to respectively the hilted broadsword list switch of aforementioned transmitting-receiving closed loop selftest module and the wave detector of power detection module, wave detector detects after power vision signal, input power testing circuit, power-sensing circuit is again by its inner amplifier and low steady state trigger, output low and high level, i.e. power indication signals;
The output of aforementioned hilted broadsword list switch is connected to aforementioned the second coupler, this second coupler by detection signal be coupled in described receiving element and passage, carry out self-inspection by described and passage.
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105933029A (en) * | 2016-06-20 | 2016-09-07 | 深圳市华讯星通讯有限公司 | Communication transceiver |
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| CN112436858A (en) * | 2020-11-11 | 2021-03-02 | 博微太赫兹信息科技有限公司 | Millimeter wave terahertz transceiving link capable of working in continuous wave and pulse modes |
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