CN102664593A - Miniature airborne up-conversion system - Google Patents
Miniature airborne up-conversion system Download PDFInfo
- Publication number
- CN102664593A CN102664593A CN2012101298729A CN201210129872A CN102664593A CN 102664593 A CN102664593 A CN 102664593A CN 2012101298729 A CN2012101298729 A CN 2012101298729A CN 201210129872 A CN201210129872 A CN 201210129872A CN 102664593 A CN102664593 A CN 102664593A
- Authority
- CN
- China
- Prior art keywords
- output
- circuit
- amplifier
- pass filter
- frequency
- 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.)
- Granted
Links
Landscapes
- Superheterodyne Receivers (AREA)
- Transmitters (AREA)
Abstract
The invention discloses a miniature airborne up-conversion system which is composed of three parts of a local oscillator circuit, a frequency conversion channel circuit and a power control circuit. An output end of the local oscillator circuit and the power control circuit are connected with the frequency conversion channel circuit respectively. According to the miniature airborne up-conversion system, a digital phase locking frequency source is directly used and an indirect synthesis method is used, so that stray rejection ratio of local oscillator signals is improved greatly, power dissipation of the whole system is reduced, and the stray output at an L is superior to 78 dBc; meanwhile, broadband phase discrimination is used, phase discrimination frequency is improved, rapid capture broadband is increased, frequency agility time is improved, and problems of miscellaneous inhibition capacity, frequency agility time and the like are solved; a mixer with high compression is used as frequency spectrum flitting, secondary frequency conversion is used, needed broadband signals are produced by the secondary frequency conversion and signals of 960 MHz to 1224 MHz are output by amplification of filtering waves, stray is effectively restrained, and anti-interference capability is enhanced.
Description
Technical field
The present invention relates to a kind of minitype airborne up-converter system.
Background technology
The method that realizes the frequency hopping vibration has a lot, can be divided into by the mode that realizes and directly synthesize (crystal oscillator frequency multiplier chain) and be bonded into (phase-locked loop).System constitutes complicacy when adopting direct synthesizing, cost is high, clutter inhibition degree is not high, be not easy to realize closeer jumping point, operating current is big, volume is big; Though system constitutes simply when being bonded between employing, reliability is high, cost is low, clutter inhibition degree high, realize closeer jumping point easily, operating current is little, volume is little; But when constituting wide interval frequency hopping, must combine, and frequency hopping speed is slow, phase noise difference etc. all is inevitable shortcomings with direct synthesis mode.At present, the frequency hopping speed advanced international level of synthetic source can reach about 10uS indirectly, for the shortcoming of phase noise difference, can optimize circuit through the phase noise that reduces frequency multiplication number of times (N value) and raising reference signal.
The present invention adopts indirect synthetic schemes, directly synthesizes at this and does not just do too many discussion.The frequency synthesis source is a kind of high-grade signal source indirectly, is a kind of high-quality signal generator that is produced multiple frequency output by one or more reference frequencies, at communication and the widely-used at present frequency synthesizer of field of measurement.Have system and constitute advantages such as simple relatively, that cost is low, volume is little and since adopt be between be bonded into, its clutter inhibition degree is better, complexity is not high.Shortcomings such as strict demand for phase noise can be well controlled through reasonable plan design and circuit design.Between the clutter that is bonded into suppress, simple in structure, volume is little, the little grade of electric current all is irreplaceable advantages.
The minitype airborne up-converter system requires strict especially to volume and spuious inhibition; Can know from the high-order intermodulation product analysis of frequency mixer; Be difficult to reach technical indicator through its spuious degree after the mixing, the present invention adopts the mixing mode on the frequency spectrum shift of input signal, and the signal that mixing produces is selected needed signal through filter and amplified; Adopt the compression points frequency mixer to carry out mixing, guarantee to satisfy the requirement of technical indicator.
Summary of the invention
The object of the invention promptly is to overcome the deficiency of prior art; A kind of minitype airborne up-converter system is provided; Directly adopt digital frequency of phase locking source, adopt indirect synthetic method, improved the spuious rejection ratio of local oscillation signal greatly; Reduced the power dissipation of complete machine, made it at the spuious 78dBc of being superior to of L output; Select for use the higher frequency mixer of compression to make frequency spectrum shift, adopt double conversion, produce required broadband signal, amplify output 960MHz～1224MHz signal through filtering again, suppress spuious effectively, increased antijamming capability through double conversion.
The object of the invention is realized through following technical scheme: a kind of minitype airborne up-converter system; It is made up of local oscillation circuit, frequency conversion channel circuit and three parts of power control circuit, and the output of local oscillation circuit, power control circuit are connected with the frequency conversion channel circuit respectively;
Local oscillation circuit comprises coupler, SAW filter, frequency mixer a, band pass filter a, low pass filter a, one or more local oscillator, one or more power splitter, one or more amplifier; The detection input signal of outside 70MHz is connected with SAW filter through single biswitch a; The other end of single biswitch a is connected with 70MHz detection signal outlet line through coupler; SAW filter, amplifier a, frequency mixer a, band pass filter a, amplifier b connect in order; The output of amplifier b is connected with the frequency conversion channel circuit; The input signal of outside 100MHz is connected with power splitter a, and the output of power splitter a is connected with amplifier c, amplifier d respectively, and amplifier c is connected with the output line road of 100MHz; Amplifier d is connected with local oscillator a, local oscillator b respectively through power splitter b; The output of local oscillator b is connected with frequency mixer a, losing lock indication output circuit II respectively, and the output of local oscillator a is connected with losing lock indication output circuit I, low pass filter a respectively, and the output of losing lock indication output circuit I, the output of losing lock indication output circuit II, the output of low pass filter a are connected with the frequency conversion channel circuit respectively;
The frequency conversion channel circuit comprises frequency mixer b, band pass filter b, amplifier e, numerical-control attenuator, low pass filter b, detection output circuit and fault logic circuits; The output signal of the output signal of local oscillation circuit low pass filter a and local oscillation circuit amplifier b is connected with the input of frequency mixer b respectively; The output of frequency mixer b, band pass filter b, amplifier e, numerical-control attenuator, low pass filter b connect in order; The output of low pass filter b directly is connected with outlet line; The output of amplifier e is connected with the input of detection output circuit; One tunnel output of detection output circuit is connected with the power detection output circuit; Another road output of detection output circuit is connected with the input of fault logic circuits, and the input of fault logic circuits also is connected with losing lock indication output circuit I, losing lock indication output circuit II, power control circuit, and the output of fault logic circuits is connected with module warning output circuit;
Power control circuit comprises high-speed data process chip and MOS switch, and external power source is connected with the high-speed data process chip through the MOS switch, and the output of high-speed data process chip is connected with fault logic circuits.
The invention has the beneficial effects as follows:
(1) the present invention provides a kind of minitype airborne up-converter system, directly adopts digital frequency of phase locking source, adopts indirect synthetic method; Improved the spuious rejection ratio of local oscillation signal greatly, reduced the power dissipation of complete machine, made it at the spuious 78dBc of being superior to of L output; Meanwhile, take the broadband phase demodulation, improve phase demodulation frequency; It is wide to increase fast pull-in range, has improved the frequency agility time, has solved the problems such as the inhibition ability of using mixedly and frequency agility time of local oscillation signal;
(2) the present invention provides a kind of minitype airborne up-converter system; Select for use the higher frequency mixer of compression to make frequency spectrum shift; Adopt double conversion, produce required broadband signal through double conversion earlier, amplify output 960MHz～1224MHz signal through filtering then; Suppress spuious effectively, increased antijamming capability;
(3) the present invention provides a kind of minitype airborne up-converter system, adopts modular design, thereby simplifies the design complexity of circuit, reduces the modular debugging difficulty, strengthens the productibility of product.
Description of drawings
Fig. 1 is a circuit structure block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further description, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of minitype airborne up-converter system, it is made up of local oscillation circuit, frequency conversion channel circuit and three parts of power control circuit, and the output of local oscillation circuit, power control circuit are connected with the frequency conversion channel circuit respectively.
Local oscillation circuit comprises coupler, SAW filter, frequency mixer a, band pass filter a, low pass filter a, one or more local oscillator, one or more power splitter, one or more amplifier; The detection input signal of outside 70MHz is connected with SAW filter through single biswitch a; The other end of single biswitch a is connected with 70MHz detection signal outlet line through coupler; SAW filter, amplifier a, frequency mixer a, band pass filter a, amplifier b connect in order; The output of amplifier b is connected with the frequency conversion channel circuit; The input signal of outside 100MHz is connected with power splitter a, and the output of power splitter a is connected with amplifier c, amplifier d respectively, and amplifier c is connected with the output line road of 100MHz; Amplifier d is connected with local oscillator a, local oscillator b respectively through power splitter b; The output of local oscillator b is connected with frequency mixer a, losing lock indication output circuit II respectively, and the output of local oscillator a is connected with losing lock indication output circuit I, low pass filter a respectively, and the output of losing lock indication output circuit I, the output of losing lock indication output circuit II, the output of low pass filter a are connected with the frequency conversion channel circuit respectively.
The course of work of local oscillation circuit: whole outputs of local oscillation circuit are generated by the input signal of a 100MHz entirely, and minimum stepped-frequency interval is 1MHz, can jump 264 frequencies, and maximum stepped-frequency interval is 264MHz.At first reference frequency 100MHz signal is amplified; Be divided into the output of three road signals through the power splitter merit again; Wherein one tunnel signal lock is the local oscillator reference signal of 370MHz mutually, and another Lu Suoxiang is the local oscillator reference signal of 1400～1664MHz, also have one the tunnel directly arrive the frequency conversion channel circuit input.
The frequency conversion channel circuit comprises frequency mixer b, band pass filter b, amplifier e, numerical-control attenuator, low pass filter b, detection output circuit and fault logic circuits; The output signal of the output signal of local oscillation circuit low pass filter a and local oscillation circuit amplifier b is connected with the input of frequency mixer b respectively; The output of frequency mixer b, band pass filter b, amplifier e, numerical-control attenuator, low pass filter b connect in order; The output of low pass filter b directly is connected with outlet line; The output of amplifier e is connected with the input of detection output circuit; One tunnel output of detection output circuit is connected with the power detection output circuit; Another road output of detection output circuit is connected with the input of fault logic circuits, and the input of fault logic circuits also is connected with losing lock indication output circuit I, losing lock indication output circuit II, power control circuit, and the output of fault logic circuits is connected with module warning output circuit.
The frequency conversion channel circuit selects for use the higher frequency mixer of compression to make frequency spectrum shift; Improve the spuious rejection ratio in the system greatly, behind local oscillation circuit two-way output signal mixing, produced required broadband signal through double conversion earlier; Amplify output 960MHz～1224MHz signal through filtering then; Adopt double conversion, suppress spuious effectively, increased antijamming capability.
Power control circuit comprises high-speed data process chip and MOS switch; External power source is connected with the high-speed data process chip through the MOS switch; The output of high-speed data process chip is connected with fault logic circuits, and Synchronization Control frequency synthesizer frequency hopping realizes and total system carries out communication function.
The requirement of complete machine electromagnetic compatible property is satisfied in the also special design of paying attention to the electromagnetic compatibility aspect of the present invention.In order to reduce interference and the ripple in the power supply, will import power supply and behind multistage capacitor filtering, offer the amplifier use again; The microwave part designs respectively on different pcb boards with power unit, and is contained in the cavity two sides respectively, and it is kept apart each other, reaches good shield effectiveness.Concerning high-frequency signal, ground connection is crucial, in the design pcb board is made single sided board, and another side large tracts of land ground connection has guaranteed that ground connection is functional.The rational deployment of module, correct Shielding Design designs and selects by electromagnetic compatibility is strict, and Electro Magnetic Compatibility is improved greatly.
The present invention directly adopts digital frequency of phase locking source to do local oscillation signal, selects for use the higher frequency mixer of compression to make frequency spectrum shift, has improved the spuious rejection ratio in the system so greatly.The output flatness adopts numerical-control attenuator to regulate, and has controlled the power output flatness effectively.Technology and product test result from using reach advanced international level.
For guaranteeing reliability of products and stability, when decomposing scheme, adopt modular design to simplify the design complexity of circuit, reduce the modular debugging difficulty, thereby strengthen the productibility of product, product measured result of the present invention is shown in following table 1～4:
Table 1 is identified batch product test tables of data one
Table 2 is identified batch product test tables of data two
Table 3 is identified batch product test tables of data three
Table 4 is identified batch product test tables of data four
Through army of enterprise mark " the airborne up-conversion module of TGZ-BP10255-0516X1 type miniaturization closed specification " each item verification experimental verification, product provided by the present invention satisfies predetermined technical requirement.
Claims (1)
1. minitype airborne up-converter system is characterized in that: it is made up of local oscillation circuit, frequency conversion channel circuit and three parts of power control circuit, and the output of local oscillation circuit, power control circuit are connected with the frequency conversion channel circuit respectively;
Local oscillation circuit comprises coupler, SAW filter, frequency mixer a, band pass filter a, low pass filter a, one or more local oscillator, one or more power splitter, one or more amplifier; The detection input signal of outside 70MHz is connected with SAW filter through single biswitch a; The other end of single biswitch a is connected with 70MHz detection signal outlet line through coupler; SAW filter, amplifier a, frequency mixer a, band pass filter a, amplifier b connect in order; The output of amplifier b is connected with the frequency conversion channel circuit; The input signal of outside 100MHz is connected with power splitter a, and the output of power splitter a is connected with amplifier c, amplifier d respectively, and amplifier c is connected with the output line road of 100MHz; Amplifier d is connected with local oscillator a, local oscillator b respectively through power splitter b; The output of local oscillator b is connected with frequency mixer a, losing lock indication output circuit II respectively, and the output of local oscillator a is connected with losing lock indication output circuit I, low pass filter a respectively, and the output of losing lock indication output circuit I, the output of losing lock indication output circuit II, the output of low pass filter a are connected with the frequency conversion channel circuit respectively;
The frequency conversion channel circuit comprises frequency mixer b, band pass filter b, amplifier e, numerical-control attenuator, low pass filter b, detection output circuit and fault logic circuits; The output signal of the output signal of local oscillation circuit low pass filter a and local oscillation circuit amplifier b is connected with the input of frequency mixer b respectively; The output of frequency mixer b, band pass filter b, amplifier e, numerical-control attenuator, low pass filter b connect in order; The output of low pass filter b directly is connected with outlet line; The output of amplifier e is connected with the input of detection output circuit; One tunnel output of detection output circuit is connected with the power detection output circuit; Another road output of detection output circuit is connected with the input of fault logic circuits, and the input of fault logic circuits also is connected with losing lock indication output circuit I, losing lock indication output circuit II, power control circuit, and the output of fault logic circuits is connected with module warning output circuit;
Power control circuit comprises high-speed data process chip and MOS switch, and external power source is connected with the high-speed data process chip through the MOS switch, and the output of high-speed data process chip is connected with fault logic circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129872.9A CN102664593B (en) | 2012-04-28 | 2012-04-28 | Miniature airborne up-conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129872.9A CN102664593B (en) | 2012-04-28 | 2012-04-28 | Miniature airborne up-conversion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102664593A true CN102664593A (en) | 2012-09-12 |
| CN102664593B CN102664593B (en) | 2014-12-31 |
Family
ID=46774028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210129872.9A Active CN102664593B (en) | 2012-04-28 | 2012-04-28 | Miniature airborne up-conversion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102664593B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664592A (en) * | 2012-04-28 | 2012-09-12 | 成都泰格微波技术股份有限公司 | Miniature airborne up-converter and manufacturing process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040041598A1 (en) * | 2002-08-28 | 2004-03-04 | Wataru Taki | Frequency conversion apparatus |
| CN201860317U (en) * | 2010-06-29 | 2011-06-08 | 上海杰盛无线通讯设备有限公司 | Low-noise wideband hopping frequency synthesizer |
| CN102664592A (en) * | 2012-04-28 | 2012-09-12 | 成都泰格微波技术股份有限公司 | Miniature airborne up-converter and manufacturing process thereof |
| CN202565262U (en) * | 2012-04-28 | 2012-11-28 | 成都泰格微波技术股份有限公司 | Small airborne configured up-conversion system |
-
2012
- 2012-04-28 CN CN201210129872.9A patent/CN102664593B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040041598A1 (en) * | 2002-08-28 | 2004-03-04 | Wataru Taki | Frequency conversion apparatus |
| CN201860317U (en) * | 2010-06-29 | 2011-06-08 | 上海杰盛无线通讯设备有限公司 | Low-noise wideband hopping frequency synthesizer |
| CN102664592A (en) * | 2012-04-28 | 2012-09-12 | 成都泰格微波技术股份有限公司 | Miniature airborne up-converter and manufacturing process thereof |
| CN202565262U (en) * | 2012-04-28 | 2012-11-28 | 成都泰格微波技术股份有限公司 | Small airborne configured up-conversion system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664592A (en) * | 2012-04-28 | 2012-09-12 | 成都泰格微波技术股份有限公司 | Miniature airborne up-converter and manufacturing process thereof |
| CN102664592B (en) * | 2012-04-28 | 2014-12-31 | 成都泰格微波技术股份有限公司 | Miniature airborne up-converter and manufacturing process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102664593B (en) | 2014-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105187060B (en) | The phase-locked loop circuit and its implementation of a kind of low phase noise | |
| CN103647575B (en) | 2-12GHz broadband microwave front-end circuit and 2-12GHz microwave signal receiving method | |
| CN102332914B (en) | C-waveband frequency comprehensive generator with low phase noise | |
| CN105553469A (en) | Low-phase noise frequency source | |
| CN102684716A (en) | 30-3000 MHz ultrashort wave receiver | |
| CN201188608Y (en) | Low noise low stray minitype frequency synthesizer | |
| CN102664592B (en) | Miniature airborne up-converter and manufacturing process thereof | |
| CN104868911B (en) | broadband phase locking frequency synthesis circuit | |
| CN116470909A (en) | Low-phase noise fine stepping frequency synthesis circuit and synthesis method thereof | |
| CN202565262U (en) | Small airborne configured up-conversion system | |
| CN107196653B (en) | Broadband low-phase noise frequency synthesizer | |
| CN106888015B (en) | Broadband frequency agility millimeter wave frequency synthesizer | |
| CN101834620B (en) | Broadband receiver with phase-locked loop local oscillation circuit | |
| CN206629051U (en) | A kind of frequency synthesizer | |
| CN106656049B (en) | High-performance frequency synthesizer | |
| CN206099942U (en) | Quick frequency hopping frequency synthesizer of C wave band | |
| CN202424688U (en) | Millimeter wave broadband nimble frequency-changing signal source used for personnel security inspection device | |
| CN209642645U (en) | A kind of millimeter wave fast frequency synthesizer | |
| CN102664593B (en) | Miniature airborne up-conversion system | |
| CN205212817U (en) | Broadband frequency agility frequency synthesizer | |
| CN105577182A (en) | W-band low phase noise phase-locked source and use method thereof | |
| CN204392230U (en) | The integrated receiving unit of a kind of 8mm | |
| CN202535309U (en) | Small airborne frequency up-conversion system frequency conversion channel circuit | |
| CN215601287U (en) | Broadband low-stray millimeter wave direct synthesis source circuit | |
| CN102664591A (en) | Frequency conversion channel circuit of small-sized airborne upconversion system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |