CN205812020U - A kind of interfering channel circuit - Google Patents
A kind of interfering channel circuit Download PDFInfo
- Publication number
- CN205812020U CN205812020U CN201620790626.1U CN201620790626U CN205812020U CN 205812020 U CN205812020 U CN 205812020U CN 201620790626 U CN201620790626 U CN 201620790626U CN 205812020 U CN205812020 U CN 205812020U
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- CN
- China
- Prior art keywords
- amplifier
- wave filter
- mixer
- input interface
- input
- Prior art date
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Abstract
nullThe utility model discloses interfering channel circuit，Rf input interface is successively through the first numerical-control attenuator、First amplifier、First amplitude limiter、Second amplifier、Second amplitude limiter、First wave filter、It is connected with the first mixer input after first attenuator，First local oscillator input interface is connected through the second wave filter and the first mixer input，First mixer output is successively through the 3rd amplifier、3rd wave filter、It is connected with the second frequency mixer after second attenuator，Second local oscillation signal is connected through the 4th wave filter and the second mixer input，Second mixer output is successively through the 4th amplifier、It is connected with the first power splitter after 5th wave filter，First power splitter outfan divides two-way，One tunnel is point two-way output after cymoscope，One tunnel is successively through the 5th amplifier、Second numerical-control attenuator、6th amplifier、3rd amplitude limiter、6th wave filter、Point two-way output after second power splitter.This utility model has multichannel input and output, and overall structure is simple, low cost.
Description
Technical field
This utility model relates to a kind of interfering channel circuit.
Background technology
Along with developing rapidly of computer and information technology, signal transmission occupies increasingly in life in the production of people
Consequence, but have a factor affecting laser propagation effect in the transmitting procedure of signal, that is, interference signal.Therefore, right
Interference signal is acquired and processes the most extremely important, how to face in the effect realization of qualitative assessment anti-interference process
Major issue.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, this utility model provides a kind of interfering channel circuit, has multichannel defeated
Enter, multiple-channel output, overall structure is simple, low cost.
Technical scheme: interfering channel circuit described in the utility model, connects including rf input interface, the first local oscillator input
Mouthful, the second local oscillator input interface, rf input interface successively through the first numerical-control attenuator, the first amplifier, the first amplitude limiter, the
Being connected with the first mixer input after two amplifiers, the second amplitude limiter, the first wave filter, the first attenuator, the first local oscillator is defeated
Incoming interface is connected through the second wave filter and the first mixer input, the first mixer output successively through the 3rd amplifier, the
Being connected with the second frequency mixer after three wave filter, the second attenuator, the second local oscillation signal is defeated through the 4th wave filter and the second frequency mixer
Entering end to be connected, the second mixer output is connected with the first power splitter successively after the 4th amplifier, the 5th wave filter, the first merit
Dividing device outfan to divide two-way, a road is point two-way output after cymoscope, and a road is successively through the 5th amplifier, the second numerical control attenuation
Point two-way output after device, the 6th amplifier, the 3rd amplitude limiter, the 6th wave filter, the second power splitter.
Improving technique scheme further, described radiofrequency signal divides four interface inputs.
Further, the frequency of described radiofrequency signal is 2.817G ± 200M.
Further, described level signal is-45～0dBm.
Further, described maximum local oscillation frequency signal is 9.617G/+14dBm, and described minimum local oscillation frequency signal is
5.9G/+14dBm。
Further, described input interface, output interface are JVPX-61T8aDD8AADD8-A type.
Beneficial effect: compared with prior art, advantage of the present utility model: the interfering channel electricity that this utility model provides
Road, meets related specifications and technical specification, it is adaptable in the machine systems such as various military radars, communication, electronic countermeasure, observing and controlling；
Having multichannel input, multiple-channel output, overall structure is simple, and low cost provides Performance Evaluation and the letter of test for anti-interference process
Number basis.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below by accompanying drawing, technical solutions of the utility model are described in detail.
Embodiment 1: interfering channel circuit as shown in Figure 1, including rf input interface, the first local oscillator input interface,
Two local oscillator input interfaces, rf input interface is provided with four tunnel inputs, the frequency of radiofrequency signal is 2.817G ± 200M, the first local oscillator
The maximum local oscillation frequency signal of input interface input 9.617G/+14dBm, the second local oscillator input interface input 5.9G/+14dBm's
Minimum local oscillation frequency signal, rf input interface successively through the first numerical-control attenuator, the first amplifier, the first amplitude limiter, second
It is connected with the first mixer input after amplifier, the second amplitude limiter, the first wave filter, the first attenuator, the first local oscillator input
Interface is connected through the second wave filter and the first mixer input, the first mixer output successively through the 3rd amplifier, the 3rd
Being connected with the second frequency mixer after wave filter, the second attenuator, the second local oscillation signal inputs through the 4th wave filter and the second frequency mixer
End is connected, and the second mixer output is connected with the first power splitter successively after the 4th amplifier, the 5th wave filter, and the first merit is divided
Device outfan divides two-way, and a road is the output of point two-way after cymoscope, a road successively through the 5th amplifier, the second numerical-control attenuator,
Point two-way output after 6th amplifier, the 3rd amplitude limiter, the 6th wave filter, the second power splitter；Input interface, output interface are
JVPX-61T8aDD8AADD8-A type.
Following table is interfering channel electrical characteristics:
As above, although represented and described this utility model with reference to specific preferred embodiment, but it must not be explained
For the restriction to this utility model self.In the spirit and scope premise of the present utility model defined without departing from claims
Under, can various changes can be made in the form and details to it.
Claims (5)
1. an interfering channel circuit, it is characterised in that: include rf input interface, the first local oscillator input interface, the second local oscillator
Input interface, rf input interface successively through the first numerical-control attenuator, the first amplifier, the first amplitude limiter, the second amplifier,
Being connected with the first mixer input after two amplitude limiters, the first wave filter, the first attenuator, the first local oscillator input interface is through second
Wave filter and the first mixer input are connected, the first mixer output successively through the 3rd amplifier, the 3rd wave filter, second
Being connected with the second frequency mixer after attenuator, the second local oscillation signal is connected through the 4th wave filter and the second mixer input, and second
Mixer output is connected with the first power splitter successively after the 4th amplifier, the 5th wave filter, and the first power splitter outfan divides
Two-way, a road is the output of point two-way after cymoscope, a road successively through the 5th amplifier, the second numerical-control attenuator, the 6th amplifier,
Point two-way output after 3rd amplitude limiter, the 6th wave filter, the second power splitter.
Interfering channel circuit the most according to claim 1, it is characterised in that: it is defeated that described rf input interface is provided with four roads
Enter.
Interfering channel circuit the most according to claim 1 and 2, it is characterised in that: described rf input interface input signal
Frequency be 2.817G ± 200M.
Interfering channel circuit the most according to claim 1, it is characterised in that: described first local oscillator input interface input signal
Frequency is 9.617G/+14dBm, and described second local oscillator input interface frequency input signal is 5.9G/+14dBm.
Interfering channel circuit the most according to claim 1, it is characterised in that: described input interface, output interface are
JVPX-61T8aDD8AADD8-A type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790626.1U CN205812020U (en) | 2016-07-25 | 2016-07-25 | A kind of interfering channel circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790626.1U CN205812020U (en) | 2016-07-25 | 2016-07-25 | A kind of interfering channel circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205812020U true CN205812020U (en) | 2016-12-14 |
Family
ID=57507366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620790626.1U Expired - Fee Related CN205812020U (en) | 2016-07-25 | 2016-07-25 | A kind of interfering channel circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205812020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114760393A (en) * | 2022-06-13 | 2022-07-15 | 成都富元辰科技有限公司 | Radio frequency link applied to four-channel single-bit frequency measurement |
-
2016
- 2016-07-25 CN CN201620790626.1U patent/CN205812020U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114760393A (en) * | 2022-06-13 | 2022-07-15 | 成都富元辰科技有限公司 | Radio frequency link applied to four-channel single-bit frequency measurement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20190725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |