CN210129855U - Ultra-wideband dual-channel receiving front-end module - Google Patents
Ultra-wideband dual-channel receiving front-end module Download PDFInfo
- Publication number
- CN210129855U CN210129855U CN201921113965.6U CN201921113965U CN210129855U CN 210129855 U CN210129855 U CN 210129855U CN 201921113965 U CN201921113965 U CN 201921113965U CN 210129855 U CN210129855 U CN 210129855U
- Authority
- CN
- China
- Prior art keywords
- unit
- switch unit
- microwave
- circuit module
- microwave circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a front end module is received to ultra wide band binary channels, it relates to microwave communication technical field. The microwave frequency mixing shielding box comprises a shielding box, a front-end microwave circuit unit, a frequency mixing microwave circuit unit and a control circuit board, wherein the front-end microwave circuit unit, the frequency mixing microwave circuit unit and the control circuit board are arranged in the shielding box. The side surface of the shielding plug-in box is provided with a microwave signal input terminal, a microwave signal output terminal, a power supply and a control signal communication terminal; the front-end microwave circuit unit comprises a correction switch unit, a low-noise amplification unit, a power division unit, a frequency band switching switch unit and a numerical control attenuation unit; the frequency mixing microwave circuit unit comprises a local oscillator power dividing unit and a frequency mixing filtering unit; the control circuit board comprises a power supply voltage stabilizing and filtering unit, an FPGA interface and control unit and a driving unit.
Description
Technical Field
The utility model belongs to the technical field of microwave communication, concretely relates to front end module is received to ultra wide band binary channels.
Background
With the development of radar detection and digital communication and interference techniques, a variety of wireless communication techniques have emerged in recent years. Among these new technologies, UWB (ultra wide band) technology is a very advantageous wireless technology for transmitting data at high speed over short distances. As an important component of a UWB receiver, the research of an ultra-wideband receiving front end is paid attention to by people, the ultra-wideband dual-channel receiving front end module covers all frequency bands of common equipment, and has the functions of low-frequency-band up-conversion output, strong anti-interference capability, multiple multi-channel data processing functions, and greater platform compatibility and universality.
To sum up, the utility model designs an ultra wide band binary channels receives front end module.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide an ultra wide band operating frequency, independent passageway is in large quantity, and the front end module is received to job stabilization is reliable, the low power dissipation ultra wide band binary channels.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
an ultra-wideband dual channel receive front-end module, wherein: the microwave frequency mixing shielding box comprises a hollow structure shielding box with a cover plate, and a front end microwave circuit module, a rear end microwave circuit module, a frequency mixing microwave circuit module and a control circuit board which are arranged in the shielding box; the front-end microwave circuit module and the rear-end microwave circuit module have the same structure; the frequency mixing microwave circuit module is respectively connected with the front end microwave circuit module and the rear end microwave circuit module, and the control circuit board is respectively connected with the front end microwave circuit module, the rear end microwave circuit module and the frequency mixing microwave circuit module;
the left side surface of the shielding box is provided with a power supply terminal, a control signal communication terminal and a plurality of microwave signal input terminals with different frequency bands, and the right side surface of the shielding box is provided with microwave signal output terminals with different frequency bands;
the input ends of the front-end microwave circuit module, the mixing microwave circuit module and the rear-end microwave circuit module are respectively connected with microwave signal input terminals of different frequency bands, and the output ends of the front-end microwave circuit module and the rear-end microwave circuit module are respectively connected with microwave signal output terminals of different frequency bands; the input end of the control circuit board is connected with the power supply terminal and the control signal communication terminal.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the front-end microwave circuit module comprises a first front correction switch unit, a second front correction switch unit, a third front correction switch unit, a first front amplification unit, a second front amplification unit, a third front amplification unit, a first front power division unit, a second front power division unit, a third front power division unit, a first front frequency band switch unit, a second front frequency band switch unit and a front numerical control attenuation unit; the input ends of the first front correction switch unit, the second front correction switch unit and the third front correction switch unit are respectively connected with microwave signal input terminals with different frequencies; the first front correction switch unit, the first front amplification unit and the first front power division unit are connected in sequence, the second front correction switch unit, the second front amplification unit and the second front power division unit are connected in sequence, the third front correction switch unit, the third front amplification unit and the third front power division unit are connected in sequence, the input end of the first front frequency band switch unit is respectively connected with the output ends of the first front power dividing unit, the second front power dividing unit and the third front power dividing unit, the output end of the first front frequency band switch unit is connected with a microwave signal output terminal, the input end of the second front frequency band switch unit is respectively connected with the output ends of the first front power dividing unit, the second front power dividing unit and the third front power dividing unit, the output end of the second front frequency band switch unit is connected with the input end of the front numerical control attenuation unit, and the output end of the front numerical control attenuation unit is connected with the microwave signal output terminal.
The rear-end microwave circuit module comprises a first rear correction switch unit, a second rear correction switch unit, a third rear correction switch unit, a first rear amplification unit, a second rear amplification unit, a third rear amplification unit, a first rear power division unit, a second rear power division unit, a third rear power division unit, a first rear frequency band switch unit, a second rear frequency band switch unit and a rear numerical control attenuation unit; the input ends of the first post-correction switch unit, the second post-correction switch unit and the third post-correction switch unit are respectively connected with microwave signal input terminals with different frequencies; the first rear correction switch unit, the first rear amplification unit and the first rear power division unit are connected in sequence, the second rear correction switch unit, the second rear amplification unit and the second rear power division unit are connected in sequence, the third rear correction switch unit, the third rear amplification unit and the third rear power division unit are connected in sequence, the input end of the first rear frequency band switch unit is respectively connected with the output ends of the first rear power dividing unit, the second rear power dividing unit and the third rear power dividing unit, the output end of the first rear frequency band switch unit is connected with a microwave signal output terminal, the input end of the second rear frequency band switch unit is respectively connected with the output ends of the first rear power dividing unit, the second rear power dividing unit and the third rear power dividing unit, the output end of the second rear frequency band change-over switch unit is connected with the input end of the rear numerical control attenuation unit, and the output end of the rear numerical control attenuation unit is connected with the microwave signal output terminal.
The frequency mixing microwave circuit module comprises a frequency mixing filtering unit, a first local oscillator power dividing unit and a second local oscillator power dividing unit; the output end of the frequency mixing filtering unit is respectively connected with the input ends of the first local oscillator power dividing unit and the second local oscillator power dividing unit; the first local oscillator power dividing unit, the frequency mixing filtering unit and the second local oscillator power dividing unit are respectively connected with microwave signal input terminals with different frequencies, the output end of the first local oscillator power dividing unit is connected with the input end of the second front frequency band switch unit, and the output end of the second local oscillator power dividing unit is connected with the input end of the second rear frequency band switch unit.
The control circuit board comprises a power supply voltage stabilizing and filtering unit, a control unit and a driving unit, wherein the input end of the power supply voltage stabilizing and filtering unit is connected with a power supply port, and the output end of the power supply voltage stabilizing and filtering unit is connected with the input end of the rear numerical control attenuation unit.
The other parallel port output end of the control unit is connected with a microwave signal output terminal, and the output end of the driving unit is connected with the microwave signal output terminal.
The microwave signal input terminals of the front-end microwave circuit module and the rear-end microwave circuit module are respectively three, and the input terminals are respectively 2-4GHz, 4-8GHz and 8-18 GHz.
The mixing filter unit comprises a filter, and the filter adopts a miniaturized MEMS filter.
The front-end microwave circuit module and the rear-end microwave circuit module both adopt a planar microstrip structure, are internally provided with double independent channels, and have higher channel isolation and amplitude-phase consistency.
The shielding box body is made of 6061 materials, the cover plate is made of 4047 materials, the laser sealing cover technology is used, the shielding box body has good air tightness indexes, the surface of the shielding box is subjected to natural color conductive oxidation, and a local coating is adopted inside the cavity.
The first front frequency band change-over switch unit, the second front frequency band change-over switch unit, the first rear frequency band change-over switch unit and the second rear frequency band change-over switch unit adopt single-pole multi-throw switches.
The utility model has the advantages that:
1. the integrated design of the inside of the assembly is realized, the heat dissipation measures of the assembly are perfected, the light and thin of the assembly are completed simultaneously, and the miniaturization is realized.
2. The cover plate is designed, so that the air-tightness requirement is high, the air-tightness structure is suitable for severe use environments, the whole structure is compact, and the universality and the compatibility are high.
3. The high-frequency switch has the advantages of large signal gain, high output P-1 index, large dynamic range, high switching speed, high channel isolation, ultra-wide band working frequency band, dual-channel working and long design service life.
Drawings
Fig. 1 is a front view of the shielding box of the present invention;
fig. 2 is a left side view of the shielding box of the present invention;
fig. 3 is a right side view of the shield case of the present invention;
fig. 4 is a side view of the shielding box of the present invention;
FIG. 5 is a schematic block diagram of the present invention;
fig. 6 is a schematic block diagram of a microwave circuit according to the present invention;
fig. 7 is a schematic block diagram of the control circuit board of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the utility model relates to a front end module is received to ultra wide band binary channels, wherein: the microwave frequency mixing shielding box comprises a hollow structure shielding box with a cover plate, and a front end microwave circuit module, a rear end microwave circuit module, a frequency mixing microwave circuit module and a control circuit board which are arranged in the shielding box; the front-end microwave circuit module and the rear-end microwave circuit module have the same structure; the frequency mixing microwave circuit module is respectively connected with the front end microwave circuit module and the rear end microwave circuit module, the control circuit board is respectively connected with the front end microwave circuit module, the rear end microwave circuit module and the frequency mixing microwave circuit module, and the output voltage of the control circuit board is positive and negative 5V direct current power supply voltage.
The left side surface of the shielding box is provided with a power supply terminal, a control signal communication terminal and a plurality of microwave signal input terminals with different frequency bands, wherein the frequency bands are respectively 2-4GHz, 4-8GHz and 8-18GHz, the right side surface of the shielding box is provided with microwave signal output terminals with different frequency bands, and the output ends of the microwave signal output terminals are respectively a communication detection terminal and a thunder detection terminal;
the shielding box body adopts the 6061 material, and the apron uses the 4047 material, and through the laser closing cap, the shielding box body has better gas tightness, and the electrically conductive oxidation of shielding box surface true qualities adopts local cladding material inside the cavity.
The front-end microwave circuit module comprises a first front correction switch unit, a second front correction switch unit, a third front correction switch unit, a first front amplification unit, a second front amplification unit, a third front amplification unit, a first front power distribution unit, a second front power distribution unit, a third front power distribution unit, a first front frequency band switch unit, a second front frequency band switch unit and a front numerical control attenuation unit;
the first front correction switch unit, the first front amplification unit and the first front power division unit are connected in sequence, the second front correction switch unit, the second front amplification unit and the second front power division unit are connected in sequence, the third front correction switch unit, the third front amplification unit and the third front power division unit are connected in sequence, the input end of the first front frequency band switch unit is respectively connected with the output ends of the first front power dividing unit, the second front power dividing unit and the third front power dividing unit, the output end of the first front frequency band switch unit is connected with the detecting element, the input end of the second front frequency band switch unit is respectively connected with the output ends of the first front power dividing unit, the second front power dividing unit and the third front power dividing unit, the output end of the second front frequency band switch unit is connected with the input end of a front numerical control attenuation unit, and the output end of the front numerical control attenuation unit is connected with a thunder detector;
the input ends of the first front correction switch unit, the second front correction switch unit and the third front correction switch unit are respectively connected with microwave signal input terminals of 2-4GHz, 4-8GHz and 8-18GHz frequency bands;
the rear-end microwave circuit module comprises a first rear correction switch unit, a second rear correction switch unit, a third rear correction switch unit, a first rear amplification unit, a second rear amplification unit, a third rear amplification unit, a first rear power distribution unit, a second rear power distribution unit, a third rear power distribution unit, a first rear frequency band switch unit, a second rear frequency band switch unit and a rear numerical control attenuation unit;
the first rear correction switch unit, the first rear amplification unit and the first rear power division unit are connected in sequence, the second rear correction switch unit, the second rear amplification unit and the second rear power division unit are connected in sequence, the third rear correction switch unit, the third rear amplification unit and the third rear power division unit are connected in sequence, the input end of the first rear frequency band switch unit is respectively connected with the output ends of the first rear power dividing unit, the second rear power dividing unit and the third rear power dividing unit, the output end of the first rear frequency band switch unit is connected with the sensing unit, the input end of the second rear frequency band switch unit is respectively connected with the output ends of the first rear power dividing unit, the second rear power dividing unit and the third rear power dividing unit, the output end of the second rear frequency band change-over switch unit is connected with the input end of the rear numerical control attenuation unit, and the output end of the rear numerical control attenuation unit is connected with the thunder detector.
The input ends of the first post-correction switch unit, the second post-correction switch unit and the third post-correction switch unit are respectively connected with microwave signal input terminals of 2-4GHz, 4-8GHz and 8-18GHz frequency bands; the three rectification switch units respectively use a single-pole double-throw switch.
The first front frequency band change-over switch unit, the second front frequency band change-over switch unit, the first rear frequency band change-over switch unit and the second rear frequency band change-over switch unit adopt single-pole multi-throw switches.
The front-end microwave circuit module and the rear-end microwave circuit module both adopt planar microstrip structures, are internally designed with double independent channels, have high channel isolation and amplitude-phase consistency, and are realized by cascade connection of multi-stage switch tube cores between the corresponding correction switch units and the frequency band changeover switch units in the two microwave circuit modules, so that the microwave circuit modules have high switch isolation.
The frequency mixing microwave circuit module comprises a frequency mixing filtering unit, a first local oscillator power dividing unit and a second local oscillator power dividing unit; the input ends of the first local oscillator power dividing unit and the second local oscillator power dividing unit are respectively connected with a microwave signal input terminal of a 0.8-2GHz frequency band, and the input end of the mixing filtering unit is connected with a microwave signal input terminal of an 8.8GHz frequency band; the output end of the frequency mixing filtering unit is respectively connected with the input ends of the first local oscillator power dividing unit and the second local oscillator power dividing unit; the output end of the first local oscillator power dividing unit is connected with the input end of the second front frequency band switching switch unit, and the output end of the second local oscillator power dividing unit is connected with the input end of the second rear frequency band switching switch unit.
The frequency mixing microwave circuit module has larger working bandwidth and higher spurious suppression ratio, the frequency mixing filtering unit has excellent image suppression degree, and a filter in the frequency mixing filtering unit adopts a miniaturized MEMS filter.
The control circuit board comprises a power supply voltage stabilizing and filtering unit, a control unit and a driving unit which are respectively connected with a power supply port, wherein the control unit is connected with the driving unit, and the parallel output of the power supply voltage stabilizing and filtering unit, the control unit and the driving unit is respectively connected with the front-end microwave circuit module, the rear-end microwave circuit module and the mixing microwave circuit module.
The control circuit board is internally provided with the FPGA and the singlechip which are combined, so that various interface communication with the whole machine can be realized, the driving unit has larger current driving capability, the response speed is nanosecond, and the speed is high.
Practice proves that the ultra-wideband dual-channel receiving front-end module can achieve the following technical indexes:
a detecting branch:
NF is less than or equal to 3.5dB G and less than or equal to +/-1 dB @ in 13dB in-band fluctuation (2-4 GHz);
NF is less than or equal to 3.5dB G, 16 +/-0.5 dB in-band fluctuation is less than or equal to +/-1.2 dB @ 4-8 GHz;
NF is less than or equal to 5.5dB G, 19dB (8-18 GHz) in-band fluctuation is less than or equal to +/-1.5 dB; (ambient temperature)
Allowable variation range of full-temperature gain: -1.5dB to 2 dB; (with internal fluctuation requirement at room temperature)
Noise factor in the full temperature range: NF is less than or equal to 6.2 dB;
channel consistency: less than or equal to +/-1 dB (referring to the output amplitude between channels with the same frequency and the same temperature);
input P-1: more than or equal to-10 dBm;
phase consistency stability: less than or equal to 2.5 degrees/1 hour (which means the stability of phase difference between the same frequency channels);
harmonic suppression: more than or equal to 50dBc (2-2.6GHz harmonic wave inhibition is more than or equal to 35dBc, 4-4.8GHz harmonic wave inhibition is more than or equal to 30dBc, 8-12GHz harmonic wave inhibition is more than or equal to 28dBc, and the test is carried out when the amplitude of an input signal is-30 dBm);
isolation of the band selection switch: not less than 60 dBc;
thunder detecting branch:
NF is less than or equal to 5.5dB G and less than or equal to +/-1.5 dB @ with 21dB in-band fluctuation (0.8-2 GHz);
intermodulation suppression is less than or equal to-50 dBc (test when an input signal is-30 dBm);
NF is less than or equal to 3.7dB G and less than or equal to +/-1 dB @ in 35dB in-band fluctuation (2-4 GHz);
NF is less than or equal to 3.7dB G, 36 +/-0.5 dB in-band fluctuation is less than or equal to +/-1.2 dB @ 4-8 GHz;
NF is less than or equal to 5.7dB G @ 36dB @ (8-18 GHz); fluctuation in the band is less than or equal to +/-1.5 dB (normal temperature, test when a trap function bypasses);
fluctuation in the band is less than or equal to +/-1.8 dB (normal temperature, test in the wave trapping function);
allowable variation range of full-temperature gain: 1.5dB to 2dB (the fluctuation in the band is required to be the same as the normal temperature);
noise factor in the full temperature range: NF is less than or equal to 6.4 dB;
AGC is more than or equal to 38dB step 1dB (the front 31dB is controlled by a 5 bit, and the rear 7dB is controlled by a 3 bit);
input P-1: not less than-32 dBm @ (2-8 GHz); ≧ 35dBm @ (8 ~ 18GHz)
Channel consistency: less than or equal to +/-1 dB (referring to the output amplitude between channels with the same frequency and the same temperature);
phase consistency stability: less than or equal to 2.5 degrees/1 hour (which means the stability of phase difference between the same frequency channels);
isolation of the band selection switch: not less than 40 dBc;
the local oscillator leakage power (0dBm input, AGC non-attenuation) of 8.8GHz of all the output ends of the thunder detecting branches is less than or equal to-60 dBm;
a notch at 14.0-14.5 GHz: transition of ≧ 30dBc 3 dB: less than or equal to (13.6 GHz-14.9 GHz), can bypass the function of wave-limiting, namely have the function of straight-through of 14.0G-14.5 GHz;
output low pass filter out-of-band rejection is more than or equal to 50dBc (@ > 25GHz)
Module sharing index:
port standing wave: less than or equal to 2;
the correction switch and the two types of AGC with 31dB can be independently controlled;
anti-burnout power: continuous wave 1W, 5 minutes;
power consumption: +6V is less than or equal to 2.4A, and-5V is less than or equal to 0.4;
when the correction signal is used for correction, the component outputs a fault detection bit: outputting TTL level, wherein the normal level is 1 (high level) and the fault is 0;
and (3) anti-interference design: providing test data of response time from saturated signal (input +10dBm, AGC not attenuated in link) to normal signal (input-40 dBm), which is reduced as much as possible in design;
the module has a-5V power-down protection function and is not locked.
The ultra-wideband dual-channel receiving front end is compact in overall structure, stable and reliable in signal output, wide in working frequency band and long in service life.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides an ultra wide band binary channels receives front end module which characterized in that: the microwave frequency mixing shielding box comprises a hollow structure shielding box with a cover plate, and a front end microwave circuit module, a rear end microwave circuit module, a frequency mixing microwave circuit module and a control circuit board which are arranged in the shielding box; the front-end microwave circuit module and the rear-end microwave circuit module have the same structure; the frequency mixing microwave circuit module is respectively connected with the front end microwave circuit module and the rear end microwave circuit module, and the control circuit board is respectively connected with the front end microwave circuit module, the rear end microwave circuit module and the frequency mixing microwave circuit module;
the left side surface of the shielding box is provided with a power supply terminal, a control signal communication terminal and a plurality of microwave signal input terminals with different frequency bands, and the right side surface of the shielding box is provided with a plurality of microwave signal output terminals with different frequency bands;
the input ends of the front-end microwave circuit module, the mixing microwave circuit module and the rear-end microwave circuit module are respectively connected with microwave signal input terminals of different frequency bands, and the output ends of the front-end microwave circuit module and the rear-end microwave circuit module are respectively connected with microwave signal output terminals of different frequency bands; the input end of the control circuit board is connected with the power supply terminal and the control signal communication terminal.
2. The ultra-wideband dual channel receive front-end module of claim 1, wherein: the front-end microwave circuit module comprises a first front correction switch unit, a second front correction switch unit, a third front correction switch unit, a first front amplification unit, a second front amplification unit, a third front amplification unit, a first front power distribution unit, a second front power distribution unit, a third front power distribution unit, a first front frequency band switch unit, a second front frequency band switch unit and a front numerical control attenuation unit;
the input ends of the first front correction switch unit, the second front correction switch unit and the third front correction switch unit are respectively connected with microwave signal input terminals with different frequencies;
the first front correction switch unit, the first front amplification unit and the first front power division unit are connected in sequence, the second front correction switch unit, the second front amplification unit and the second front power division unit are connected in sequence, the third front correction switch unit, the third front amplification unit and the third front power division unit are connected in sequence, the input end of the first front frequency band switch unit is respectively connected with the output ends of the first front power dividing unit, the second front power dividing unit and the third front power dividing unit, the output end of the first front frequency band switch unit is connected with a microwave signal output terminal, the input end of the second front frequency band switch unit is respectively connected with the output ends of the first front power dividing unit, the second front power dividing unit and the third front power dividing unit, the output end of the second front frequency band switch unit is connected with the input end of the front numerical control attenuation unit, and the output end of the front numerical control attenuation unit is connected with the microwave signal output terminal.
3. The ultra-wideband dual channel receive front-end module of claim 1, wherein: the rear-end microwave circuit module comprises a first rear correction switch unit, a second rear correction switch unit, a third rear correction switch unit, a first rear amplification unit, a second rear amplification unit, a third rear amplification unit, a first rear power distribution unit, a second rear power distribution unit, a third rear power distribution unit, a first rear frequency band switch unit, a second rear frequency band switch unit and a rear numerical control attenuation unit;
the input ends of the first post-correction switch unit, the second post-correction switch unit and the third post-correction switch unit are respectively connected with microwave signal input terminals with different frequencies;
the first rear correction switch unit, the first rear amplification unit and the first rear power division unit are connected in sequence, the second rear correction switch unit, the second rear amplification unit and the second rear power division unit are connected in sequence, the third rear correction switch unit, the third rear amplification unit and the third rear power division unit are connected in sequence, the input end of the first rear frequency band switch unit is respectively connected with the output ends of the first rear power dividing unit, the second rear power dividing unit and the third rear power dividing unit, the output end of the first rear frequency band switch unit is connected with a microwave signal output terminal, the input end of the second rear frequency band switch unit is respectively connected with the output ends of the first rear power dividing unit, the second rear power dividing unit and the third rear power dividing unit, the output end of the second rear frequency band change-over switch unit is connected with the input end of the rear numerical control attenuation unit, and the output end of the rear numerical control attenuation unit is connected with the microwave signal output terminal.
4. The UWB dual-channel reception front-end module according to claim 2 or 3, wherein: the frequency mixing microwave circuit module comprises a frequency mixing filtering unit, a first local oscillator power dividing unit and a second local oscillator power dividing unit; the output end of the frequency mixing filtering unit is respectively connected with the input ends of the first local oscillator power dividing unit and the second local oscillator power dividing unit; the first local oscillator power dividing unit, the frequency mixing filtering unit and the second local oscillator power dividing unit are respectively connected with microwave signal input terminals with different frequencies, the output end of the first local oscillator power dividing unit is connected with the input end of the second front frequency band switch unit, and the output end of the second local oscillator power dividing unit is connected with the input end of the second rear frequency band switch unit.
5. The ultra-wideband dual channel receive front-end module of claim 3, wherein: the control circuit board comprises a power supply voltage stabilizing and filtering unit, a control unit and a driving unit, wherein the input end of the power supply voltage stabilizing and filtering unit is connected with a power supply port, and the output end of the power supply voltage stabilizing and filtering unit is connected with the input end of the rear numerical control attenuation unit;
one parallel port output end of the control unit is connected with the input end of the driving unit, the other parallel port output end of the control unit is connected with the microwave signal output terminal, and the output end of the driving unit is connected with the microwave signal output terminal.
6. The ultra-wideband dual channel receive front-end module of claim 1, wherein: the microwave signal input terminals of the front-end microwave circuit module and the rear-end microwave circuit module are respectively three and are respectively 2-4GHz, 4-8GHz and 8-18 GHz.
7. The ultra-wideband dual channel receive front-end module of claim 4, wherein: the mixing filtering unit comprises a filter, and the filter adopts a miniaturized MEMS filter.
8. The ultra-wideband dual channel receive front-end module of claim 1, wherein: the front-end microwave circuit module and the rear-end microwave circuit module both adopt planar microstrip structures, are internally provided with double independent channels, and have higher channel isolation and amplitude-phase consistency.
9. The ultra-wideband dual channel receive front-end module of claim 1, wherein: the shielding box body adopts the 6061 material, and the apron uses the 4047 material, uses laser closing cap technique, shielding box surface true qualities conductive oxidation, the inside local coating that adopts of cavity.
10. The UWB dual-channel reception front-end module according to claim 2 or 3, wherein: the first front frequency band change-over switch unit, the second front frequency band change-over switch unit, the first rear frequency band change-over switch unit and the second rear frequency band change-over switch unit adopt single-pole multi-throw switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113965.6U CN210129855U (en) | 2019-07-16 | 2019-07-16 | Ultra-wideband dual-channel receiving front-end module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113965.6U CN210129855U (en) | 2019-07-16 | 2019-07-16 | Ultra-wideband dual-channel receiving front-end module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210129855U true CN210129855U (en) | 2020-03-06 |
Family
ID=69665375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921113965.6U Active CN210129855U (en) | 2019-07-16 | 2019-07-16 | Ultra-wideband dual-channel receiving front-end module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210129855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117097266A (en) * | 2023-10-16 | 2023-11-21 | 南京威翔科技有限公司 | Ku frequency band variable bandwidth mixing module |
-
2019
- 2019-07-16 CN CN201921113965.6U patent/CN210129855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117097266A (en) * | 2023-10-16 | 2023-11-21 | 南京威翔科技有限公司 | Ku frequency band variable bandwidth mixing module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9204488B2 (en) | Wireless communication transmitting and receiving system | |
| CN214851148U (en) | S-band power amplification assembly | |
| CN210129855U (en) | Ultra-wideband dual-channel receiving front-end module | |
| CN112615633A (en) | Radio frequency front-end circuit of broadband multi-channel direction finder | |
| CN114938204A (en) | SC wave band amplitude-phase consistent frequency conversion assembly | |
| CN209746119U (en) | Millimeter wave multichannel receiver | |
| CN216599611U (en) | High-power air short wave radio station | |
| CN215340294U (en) | Radar power amplifier assembly based on multichannel multiplexing | |
| CN201690414U (en) | Transceiving channel device for KA frequency converter | |
| CN210129856U (en) | Plug-in front end is divided to enlarged merit of ultra wide band multichannel | |
| CN211981858U (en) | Multi-bandwidth-selection ultra-wideband radio frequency receiver | |
| CN114826294B (en) | Modularized large dynamic high-speed channel conversion device and method | |
| CN110855245A (en) | Millimeter wave/terahertz power frequency doubling circuit | |
| CN209844939U (en) | VHF microwave frequency hopping radio station receiver | |
| CN205017311U (en) | 3-18GHz microwave receiving front end | |
| CN210954325U (en) | High-frequency broadband signal source | |
| CN212435687U (en) | Broadband radio frequency receiving assembly | |
| CN211266864U (en) | Multichannel X wave band up-conversion module | |
| CN204633716U (en) | C-band down conversion components | |
| CN215773112U (en) | UV wave band signal processing module | |
| CN212435692U (en) | Millimeter wave analog frequency conversion receiving and transmitting system | |
| CN210129863U (en) | Multifunctional X-band transceiving component | |
| CN219018802U (en) | Front-end receiving variable frequency assembly of X-band miniaturized unmanned aerial vehicle | |
| CN215897690U (en) | Frequency multiplication filtering power division amplifying assembly | |
| CN219329735U (en) | Small-sized secondary frequency conversion assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |