CN207802106U - A kind of high spurious reduction converter plant of S frequency ranges - Google Patents
A kind of high spurious reduction converter plant of S frequency ranges Download PDFInfo
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- CN207802106U CN207802106U CN201820161119.0U CN201820161119U CN207802106U CN 207802106 U CN207802106 U CN 207802106U CN 201820161119 U CN201820161119 U CN 201820161119U CN 207802106 U CN207802106 U CN 207802106U
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Abstract
The utility model patent discloses a kind of high spurious reduction converter plant of S frequency ranges, it is related to the frequency converter equipment in radio communication field.It by video filter, a frequency mixer, intermediate-frequency filter, secondary mixing device, radio-frequency filter, broadband mixer, frequency synthesizer, monitor and supply convertor form three times.The utility model patent uses mixing and filtering principle, carries out the methods of frequency conversion, region filtering three times using to vision signal, completes the Frequency mixing processing of video signal conversion to radiofrequency signal and high spurious reduction function.The utility model patent have the characteristics that output band is wide, output signal it is spuious it is low, design scheme is practical succinct, versatile.Especially suitable for requiring up-conversion frequency range wide and high spurious reduction Capability Requirement frequency conversion system.
Description
Technical field
The utility model patent is related to frequency conversion equipment in radio communication field more particularly to a kind of S frequency ranges height is spuious
Inhibit converter plant design method.
Background technology
Currently, general frequency conversion equipment frequency range is relatively narrow in electronic system, spurious reduction require it is also different, design and
Using without versatility.And frequency conversion equipment output frequency bandwidth it is wider and it is spuious require it is higher, the difficulty technically realized is got over
Greatly.
Utility model content
The utility model patent is a kind of miscellaneous using the height of frequency-conversion processing technology three times the technical problem to be solved is that providing
Dissipate the converter plant design inhibited.The utility model has wide output band, output signal spurious reduction height, design scheme practical
Succinctly, the features such as versatile.Especially suitable for requiring reference frequency output wide and high spurious reduction Capability Requirement frequency conversion
System.
The technical solution adopted in the utility model is：
A kind of high spurious reduction converter plant of S frequency ranges, including 1, frequency mixer 2 of video filter, intermediate-frequency filter 3,
Secondary mixing device 4, radio-frequency filter 5, three times broadband mixer 6, frequency synthesizer 11, monitor 12 and supply convertor 13；
The video filter 1 successively with a frequency mixer 2, intermediate-frequency filter 3, secondary mixing device 4, radio-frequency filter 5 and three
Secondary broadband mixer 6 is connected in series；Each reference signal of frequency mixer 2, secondary mixing device 4 and broadband mixer 6 three times is defeated
Inbound port connects one to one with each reference signal output port of frequency synthesizer 11 respectively；The state of frequency synthesizer 11 with
Control input/output port is connected with the input/output port of monitor 12.
Video filter 1 filters out the vision signal received with after outer clutter, sending a frequency mixer 2 to；It is primary mixed
Frequency device 2 carries out the video filter 1 filtered vision signal inputted and the reference frequency signal that frequency synthesizer 11 inputs
Mixing, is converted to intermediate-freuqncy signal and sends intermediate-frequency filter 3 to；Intermediate-frequency filter 3 sends filtered signal to secondary mixed
Frequency device 4；The frequency that secondary mixing device 4 inputs the filtered intermediate-freuqncy signal that intermediate-frequency filter 3 inputs with frequency synthesizer 11
Reference signal is mixed, and is converted to radiofrequency signal and is sent radio-frequency filter 5 to；Radio-frequency filter 5 is by filtered signal
Send broadband mixer 6 three times to；The filtered radiofrequency signal that broadband mixer 6 inputs radio-frequency filter 5 three times and frequency
The reference frequency signal that rate synthesizer 11 inputs is mixed, and the signal after mixing is exported；Monitor 12 for pair
The set of frequency and condition monitoring of frequency synthesizer 11.
Wherein, the broadband mixer three times 6 includes frequency mixer 7, switch filter group 8, amplifier 9 and amplitude three times
Balanced device 10；
The RF signal input end mouth of frequency mixer 7 is connected with the RF signal output mouth of radio-frequency filter 5 three times, benchmark
Signal input port is connect with the reference signal output port of frequency synthesizer 11, RF signal output mouth and switch filter
The signal input port of group 8 is connected；The signal output port of switch filter group 8 is connected with the signal input port of amplifier 9；
The signal output port of amplifier 9 is connected with the signal input port of amplitude equalizer 10；The signal of amplitude equalizer 10 exports
Port is communicated with the outside.
The frequency that frequency mixer 7 inputs the filtered radiofrequency signal that radio-frequency filter 5 inputs with frequency synthesizer 11 three times
Rate reference signal is mixed, and will be input to switch filter group 8 after S frequency band signals that radiofrequency signal is converted to；Switch filtering
Device group 8 is to the signal is input to amplifiers 9 after the signal progress region filtering of input；After amplifier 9 amplifies the signal of input
It is input to amplitude equalizer 10；Amplitude equalizer 10 exports after the signal of input is carried out amplitude equalization.
The utility model patent has the following advantages that compared to background technology：
1. the utility model patent uses frequency conversion three times, high intermediate frequency, high local oscillator scheme, broadband mixer 6, comprehensive three times
It closes using technologies such as broadband mixing, region filtering amplification, amplitude equalizations, is realized well from intermediate-freuqncy signal to S frequency range full ranges
The broadband up-conversion and high spurious reduction ability of section.
2. the utility model patent uses single-conversion for small stepping frequency synthesizer, second of frequency conversion is again and again comprehensive using fixed point,
Third time frequency conversion is the big stepping frequency synthesizer of high-frequency, reduces the complexity and cost of implementation of technology realization.
3. the utility model patent is entirely designed using multiple highly integrated and all solid state component, with it is compact-sized, can
, have a wide range of application the characteristics of high by property.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram.
Fig. 2 is the functional-block diagram of the utility model broadband mixer three times.
Specific implementation mode
Referring to figs. 1 to Fig. 2, the high spurious reduction converter plant of the S frequency ranges by 1, frequency mixer 2 of video filter,
Intermediate-frequency filter 3, secondary mixing device 4, radio-frequency filter 5, three times broadband mixer 6, frequency synthesizer 11, monitor 12 and electricity
Source converter 13 is constituted；With frequency coverage S frequency ranges full frequency band, output signal noise restraint is high, design scheme it is practical it is succinct,
The features such as versatile.Especially suitable for requiring reference frequency output wide and high spurious reduction Capability Requirement frequency conversion system.
Fig. 1 is the functional-block diagram of the utility model patent, and embodiment presses Fig. 1 connection lines.
The vision signal of input is input to video filter 1 by the high spurious reduction converter plant of S frequency ranges, is filtered out with outer miscellaneous
Wave is input to a frequency mixer 2；Effect of frequency mixer 2 is that vision signal is converted to intermediate-freuqncy signal, is input to intermediate frequency filtering
Device 3；The effect of intermediate-frequency filter 3 is to filter out intermediate frequency band stray, is input to secondary mixing device 4；The effect of secondary mixing device 4 is by
Frequency signal frequency conversion is input to radio-frequency filter 5 to medium-and-high freuqncy signal；Radio-frequency filter 5 effect be filter out it is spuious outside high midband,
It is input to broadband mixer 6 three times；The effect of broadband mixer 6 is that radiofrequency signal is carried out down coversion, filter and amplification, amplitude three times
After equilibrium, output is gone out；Frequency synthesizer 11 is a frequency mixer 2, secondary mixing device 4 and broadband mixer 6 provides frequency three times
Rate benchmark；Monitor 12 completes set of frequency and condition monitoring.Embodiment video filter 1 is using 7MB61-200/U85, one
Secondary frequency mixer 2 is used using ADE-35MH+, intermediate-frequency filter 3 using BLBPF-805/U95-7B1KK, secondary mixing device 4
HSP182A, the use of radio-frequency filter 5 BP12805-95-5CS, broadband mixer 6 uses HSP182B, frequency synthesizer three times
11 are made using WZPLY037, monitor 12 using C8051F020.
Broadband mixer 6 includes frequency mixer 7, switch filter group 8, amplifier 9, width three times to the utility model patent three times
Spend balanced device 10.Fig. 2 is the functional-block diagram of the utility model patent broadband mixer 6 three times, and embodiment presses Fig. 2 connecting lines
Road.
The effect of frequency mixer 7 is that radiofrequency signal is converted to S frequency ranges three times, is input to switch filter group 8；Switch filtering
Device group 8 is input to amplifier 9 after carrying out region filtering processing；Amplifier 9 is input to amplitude equalizer 10 after amplifying signal；Width
Degree balanced device 10 exports away after carrying out amplitude equalization.Embodiment three times using HSP182B, switch filter group 8 adopted by frequency mixer 7
AEB1500/ is used using JT0201-M3-0002E, amplitude equalizer 10 with 2SFB2550/3500-1100/1000, amplifier 9
1000-3-14 is made.
The utility model patent supply convertor 13 provides each component working voltage.Embodiment uses AC-DC power module
It makes, output voltage is+5V and+12V.
The brief operation principle of the utility model patent：
The vision signal of input is input to video filter 1 by the utility model patent, is filtered out with outer clutter, then be input to
Vision signal is converted to intermediate-freuqncy signal, then is input to intermediate-frequency filter 3 by frequency mixer 2, filters out intermediate frequency band stray, then
It is input to secondary mixing device 4, intermediate-freuqncy signal medium-and-high freuqncy signal is converted to, then be input to radio-frequency filter 4, filters out high midband
It is outer spuious, then broadband mixer 6 three times are input to, it is defeated after medium-and-high freuqncy signal is carried out down coversion, filter and amplification, amplitude equalization
Go out away；Frequency synthesizer 11 is a frequency mixer 2, secondary mixing device 4 and broadband converter 6 provides frequency reference three times；Prison
It controls device 12 and completes set of frequency and condition monitoring.
The utility model patent mounting structure is as follows：
It is 540 × 485 that the high each component of spurious reduction converter plant of S frequency ranges in Fig. 1, which is mounted on a length × width × height,
In the cabinet of × 88mm, vision signal input, reference frequency input, the output of S frequency band signals are connected by the radio-frequency terminals after cabinet
It connects.
Claims (2)
1. a kind of high spurious reduction converter plant of S frequency ranges, including video filter (1), frequency mixer (2), an intermediate-frequency filter
(3), secondary mixing device (4), radio-frequency filter (5), frequency synthesizer (11), monitor (12) and supply convertor (13)；Its
It is characterized in that：Further include broadband mixer (6) three times；
The video filter (1) is filtered with a frequency mixer (2), intermediate-frequency filter (3), secondary mixing device (4), radio frequency successively
Wave device (5) and three times broadband mixer (6) are connected in series；Frequency mixer (2), secondary mixing device (4) and broadband mixing three times
Each reference signal input mouth of device (6) is corresponded with each reference signal output port of frequency synthesizer (11) respectively to be connected
It connects；The state of frequency synthesizer (11) is connected with control input/output port with the input/output port of monitor (12).
2. the high spurious reduction converter plant of S frequency ranges according to claim 1, it is characterised in that：The broadband three times is mixed
Frequency device (6) includes frequency mixer (7), switch filter group (8), amplifier (9) and amplitude equalizer (10) three times；
The RF signal input end mouth of frequency mixer (7) is connect with the RF signal output mouth of radio-frequency filter (5) three times, benchmark
Signal input port is connect with the reference signal output port of frequency synthesizer (11), RF signal output mouth and switch filtering
The signal input port of device group (8) is connected；The signal output port of switch filter group (8) is inputted with the signal of amplifier (9)
Port is connected；The signal output port of amplifier (9) is connected with the signal input port of amplitude equalizer (10)；Amplitude equalizer
(10) signal output port is communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820161119.0U CN207802106U (en) | 2018-01-31 | 2018-01-31 | A kind of high spurious reduction converter plant of S frequency ranges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820161119.0U CN207802106U (en) | 2018-01-31 | 2018-01-31 | A kind of high spurious reduction converter plant of S frequency ranges |
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| Publication Number | Publication Date |
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| CN207802106U true CN207802106U (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820161119.0U Active CN207802106U (en) | 2018-01-31 | 2018-01-31 | A kind of high spurious reduction converter plant of S frequency ranges |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039576A (en) * | 2021-09-22 | 2022-02-11 | 中国电子科技集团公司第二十九研究所 | Method for suppressing clutter of electronic system |
-
2018
- 2018-01-31 CN CN201820161119.0U patent/CN207802106U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114039576A (en) * | 2021-09-22 | 2022-02-11 | 中国电子科技集团公司第二十九研究所 | Method for suppressing clutter of electronic system |
| CN114039576B (en) * | 2021-09-22 | 2023-06-02 | 中国电子科技集团公司第二十九研究所 | Clutter suppression method for electronic system |
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