CN207304569U - Test structure for fixed attenuator - Google Patents
Test structure for fixed attenuator Download PDFInfo
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- CN207304569U CN207304569U CN201721355617.0U CN201721355617U CN207304569U CN 207304569 U CN207304569 U CN 207304569U CN 201721355617 U CN201721355617 U CN 201721355617U CN 207304569 U CN207304569 U CN 207304569U
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- Prior art keywords
- signal
- fixed attenuator
- processor
- detection device
- test structure
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Abstract
The utility model discloses the test structure for fixed attenuator, power supply, memory, display screen and the signal comparator being connected including processor and with the processor, sequentially connected first signal strength detection device, signal sending end, fixed attenuator, signal receiving end, amplifier and secondary signal intensity detecting device are further included, the first signal strength detection device and secondary signal intensity detecting device are connected with the signal comparator respectively.The utility model solve the problems, such as the test structure error of fixed attenuator existing in the prior art it is excessive bring it is inconvenient for use, test structure for fixed attenuator is provided, it can improve measuring accuracy when applying, test error is reduced, so as to improve the service efficiency and using effect of fixed attenuator.
Description
Technical field
It the utility model is related to fixed attenuator, and in particular to the test structure for fixed attenuator.
Background technology
Fixed attenuator is a kind of electronic component for providing decay, is widely used in electronic equipment, it main
Purposes is the size of signal in adjustment circuit, in comparative method for measuring circuit, can be used to the pad value that direct-reading is tested network；Improve
Impedance matching, can be in this circuit and actual loading impedance if some circuit requirements have a more stable load impedance
Between be inserted into a fixed attenuator, the change of impedance can be buffered.
, in use, easily there is the error caused by signal transmission line is long in traditional test structure
It is excessive, it is difficult to the performance of fixed attenuator is assessed well, reduces the precision of test system, to making for user
With making troubles.
Utility model content
The utility model solves the excessive use brought of test structure error of fixed attenuator existing in the prior art
The problem of inconvenient, there is provided for the test structure of fixed attenuator, it can improve measuring accuracy when applying, and reduce test and miss
Difference, so as to improve the service efficiency and using effect of fixed attenuator.
The utility model is achieved through the following technical solutions：
For the test structure of fixed attenuator, including processor and be connected with the processor power supply, memory,
Display screen and signal comparator, further include sequentially connected first signal strength detection device, signal sending end, fixed attenuation
Device, signal receiving end, amplifier and secondary signal intensity detecting device, the first signal strength detection device and secondary signal intensity
Detection device is connected with the signal comparator respectively, wherein：Power supply, for for processor, memory, display screen, signal ratio
It is strong compared with device, the first signal strength detection device, signal sending end, fixed attenuator, signal receiving end, amplifier and secondary signal
Spend detection device power supply；Signal sending end, for transmit a signal to needs test in fixed attenuator；Fixed attenuator, will
The signal received is transferred to signal receiving end after being decayed；Signal receiving end, for the signal after receiving attenuation and transmission
To amplifier；Amplifier, for the signal of decay to be amplified, and is transferred to secondary signal intensity detecting device；Secondary signal is strong
Detection device is spent, for detecting the signal strength of amplified deamplification and being transferred to signal comparator；First signal strength
Detection device, for detecting the signal strength of signal sending end transmission；Signal comparator, for the first signal strength detection to be filled
The signal come with the transmission of secondary signal intensity detecting device is put to be compared and comparative result is transferred to processor；Processor,
For receiving the comparative result of signal comparator and being transferred to memory and display screen；Memory, for storing the processor
The comparative result that transmission comes；Display screen, the comparative result come for showing the processor transmission.
Further, the test structure for fixed attenuator, further includes the keyboard being connected with the processor, and keyboard is used
In key entry information and transfer information to the processor.
Further, the test structure for fixed attenuator, the first signal strength detection device and secondary signal
Radiator is respectively arranged with intensity detecting device.
Further, the test structure for fixed attenuator, the basic frequency of the processor are at least 2.2GHz.
Further, the test structure for fixed attenuator, the memory size of the memory are at least 1G.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model is filled by processor, memory, the first signal strength detection device, secondary signal intensity detection
Put, amplifier, signal comparator, signal sending end, signal receiving end, display screen and keyboard are used cooperatively, shorten signal
The length of transmission line, it is excessive to avoid the error caused by signal transmission line is long so that test system can be very
The good performance to attenuator is assessed, and is improved the precision of test system, is facilitated the use of user.
2nd, the utility model is simple and convenient, easily operated.
3rd, the utility model is cheap, can promote the use of.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, the test structure for fixed attenuator, including processor and the electricity that is connected with the processor
Source, keyboard, memory, display screen and signal comparator, further include sequentially connected first signal strength detection device, signal hair
Sending end, fixed attenuator, signal receiving end, amplifier and secondary signal intensity detecting device, the first signal strength detection device
It is connected respectively with the signal comparator with secondary signal intensity detecting device, the first signal strength detection device and second
Radiator is respectively arranged with signal strength detection device, wherein：Power supply, for for processor, memory, display screen, signal
Comparator, the first signal strength detection device, signal sending end, fixed attenuator, signal receiving end, amplifier and secondary signal
Intensity detecting device is powered；Signal sending end, for transmit a signal to needs test in fixed attenuator；Fixed attenuator,
Signal receiving end is transferred to after the signal received is decayed；Signal receiving end, for the signal and biography after receiving attenuation
It is defeated to arrive amplifier；Amplifier, for the signal of decay to be amplified, and is transferred to secondary signal intensity detecting device；Secondary signal
Intensity detecting device, for detecting the signal strength of amplified deamplification and being transferred to signal comparator；First signal is strong
Detection device is spent, for detecting the signal strength of signal sending end transmission；Signal comparator, for by the first signal strength detection
The signal that device and the transmission of secondary signal intensity detecting device come is compared and comparative result is transferred to processor；Processor
Using IntelD525/1037U, the basic frequency of the processor is at least 2.2GHz, for receiving the comparison knot of signal comparator
Fruit is simultaneously transferred to memory and display screen；Memory, the memory size of the memory are at least 1G, for storing the processing
The comparative result that device transmission comes；Display screen, the comparative result come for showing the processor transmission；Keyboard, believes for keying in
Cease and transfer information to the processor.
The course of work of the utility model is as follows：During work, by the input terminal and signal sending end of fixed attenuator to be measured
Connection, the output terminal of fixed attenuator to be measured is connected with signal receiving end, by Keyboard Control processor to signal comparator
Signal is sent, signal comparator sends a signal to the first signal strength detection device, and signal is filled by the first signal strength detection
After putting record, first record and signal are passed sequentially through signal sending end, fixed attenuator by the first signal strength detection device
Amplifier is sent to signal receiving end, and it is strong that signal and first record are sent to secondary signal by amplifier after signal is amplified
Detection device is spent, secondary signal intensity detecting device records signal, and signal, first record and second of record are sent
To signal comparator, the more received signal of signal comparator and the signal sent and by comparative result, first record and the
Secondary record is sent to processor, and the received data of processor processing, which draw the performance of fixed attenuator and store data in, deposits
In reservoir, processor shows the performance of fixed attenuator by display screen, when needing to recall record, at Keyboard Control
The record in device calling memory is managed, and is shown by display screen.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. the test structure for fixed attenuator, it is characterised in that the electricity being connected including processor and with the processor
Source, memory, display screen and signal comparator, further include sequentially connected first signal strength detection device, signal sending end,
Fixed attenuator, signal receiving end, amplifier and secondary signal intensity detecting device, the first signal strength detection device and second
Signal strength detection device is connected with the signal comparator respectively, wherein：
Power supply, for being sent for processor, memory, display screen, signal comparator, the first signal strength detection device, signal
End, fixed attenuator, signal receiving end, amplifier and the power supply of secondary signal intensity detecting device；
Signal sending end, for transmitting a signal in the fixed attenuator for needing to test；
Fixed attenuator, signal receiving end is transferred to after the signal received is decayed；
Signal receiving end, for the signal after receiving attenuation and is transferred to amplifier；
Amplifier, for the signal of decay to be amplified, and is transferred to secondary signal intensity detecting device；
Secondary signal intensity detecting device, compares for detecting the signal strength of amplified deamplification and being transferred to signal
Device；
First signal strength detection device, for detecting the signal strength of signal sending end transmission；
Signal comparator, for by the first signal strength detection device and secondary signal intensity detecting device transmission come signal into
Go relatively and comparative result is transferred to processor；
Processor, for receiving the comparative result of signal comparator and being transferred to memory and display screen；
Memory, the comparative result come for storing the processor transmission；
Display screen, the comparative result come for showing the processor transmission.
2. the test structure according to claim 1 for fixed attenuator, it is characterised in that further include and the processing
The keyboard of device connection, keyboard are used to key in information and transfer information to the processor.
3. the test structure according to claim 1 for fixed attenuator, it is characterised in that first signal strength
Radiator is respectively arranged with detection device and secondary signal intensity detecting device.
4. the test structure according to claim 1 for fixed attenuator, it is characterised in that the dominant frequency of the processor
Rate is at least 2.2GHz.
5. the test structure according to claim 1 for fixed attenuator, it is characterised in that the memory of the memory
Capacity is at least 1G.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721355617.0U CN207304569U (en) | 2017-10-19 | 2017-10-19 | Test structure for fixed attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721355617.0U CN207304569U (en) | 2017-10-19 | 2017-10-19 | Test structure for fixed attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304569U true CN207304569U (en) | 2018-05-01 |
Family
ID=62272232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721355617.0U Expired - Fee Related CN207304569U (en) | 2017-10-19 | 2017-10-19 | Test structure for fixed attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769872A (en) * | 2017-10-19 | 2018-03-06 | 成都旭思特科技有限公司 | It is a kind of to assess the device for examining fixed attenuator |
-
2017
- 2017-10-19 CN CN201721355617.0U patent/CN207304569U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769872A (en) * | 2017-10-19 | 2018-03-06 | 成都旭思特科技有限公司 | It is a kind of to assess the device for examining fixed attenuator |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20191019 |