CN206601444U - A kind of radio frequency test circuit plate - Google Patents
A kind of radio frequency test circuit plate Download PDFInfo
- Publication number
- CN206601444U CN206601444U CN201720086860.0U CN201720086860U CN206601444U CN 206601444 U CN206601444 U CN 206601444U CN 201720086860 U CN201720086860 U CN 201720086860U CN 206601444 U CN206601444 U CN 206601444U
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- CN
- China
- Prior art keywords
- circuit
- radio
- breaker
- radio frequency
- antenna
- 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.)
- Expired - Fee Related
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Abstract
A kind of radio frequency test circuit plate, including antenna circuit, radio circuit, breaker and test point, the breaker is connected between the antenna circuit and the radio circuit, the test point is arranged between the radio circuit and the breaker, the breaker is used for when testing the radio circuit, disconnects the connection between the radio circuit and the antenna circuit.The radio frequency test circuit plate that the utility model is provided, feature is to be disconnected the front stage of test point by breaker, reduces test error, as a result accurately and reliably, and does not need unnecessary radio frequency connector, reduce circuit board cost.
Description
Technical field
The utility model is related to radio frequency arts, and test circuit plate is penetrated more specifically to one kind.
Background technology
Current terminal device includes typically being additionally provided with radio frequency company on the mainboards such as mobile phone, flat board, data card, vehicle electronic circuit
Device is connect, for producing and necessary test in R＆D process.Often radio frequency connector only plays test, in terminal device
During use and radio frequency connector is not used, the cost of motherboard circuit is added, while radio frequency connector can take necessarily
Space.When being additionally carried out radio frequency testing, the front stage of whole radio circuit remains connection, has and compares when so testing
Big error.
Utility model content
Technical problem to be solved in the utility model be to overcome the deficiencies in the prior art there is provided one kind test it is accurate,
Lower-cost radio frequency test circuit plate.
In order to realize above-mentioned purpose, the utility model employs following technical scheme：
A kind of radio frequency test circuit plate, including antenna circuit, radio circuit, breaker and test point, the breaker connect
Be connected between the antenna circuit and the radio circuit, the test point be arranged at the radio circuit and the breaker it
Between, the breaker is used for when testing the radio circuit, disconnects between the radio circuit and the antenna circuit
Connection.
Preferably, the test point is provided with positive pole and negative pole, and the positive pole is connected with the radio circuit, and the negative pole connects
Ground.
Preferably, the breaker includes two selectivity disconnections and the leg connected, and one of leg connection is described
Radio circuit, another leg connects the antenna circuit.
Preferably, the radio frequency test circuit plate also includes antenna feed point, and the antenna feed point connects with the antenna circuit
Connect.
Preferably, the antenna circuit π type match circuits, the π types match circuit includes Tandem devices and two inductance,
The two ends of the Tandem devices connect the breaker and the antenna feed point respectively, and one end with two inductance connects respectively
Connect, the other end of two inductance is grounded respectively.
Preferably, the breaker and the test point are respectively at the both sides of circuit board, and the breaker and described
Test point position correspondence.
A kind of radio frequency test circuit plate feature provided by the utility model is that test error is small, as a result accurately and reliably, and
Unnecessary radio frequency connector is not needed, circuit board cost is reduced.
Brief description of the drawings
Fig. 1 is the schematic diagram of the radio frequency test circuit plate of the utility model embodiment.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further described.It should be appreciated that specific embodiment described herein is only to explain this reality
With new, it is not used to limit the utility model.
With reference to shown in Fig. 1, the radio frequency test circuit plate of the utility model embodiment includes antenna circuit 10, radio circuit
20th, breaker 30, test point 40 and antenna feed point 50, breaker 30 are arranged between radio circuit 20 and antenna circuit 10, made
Obtain radio circuit 20 to disconnect with antenna circuit 10, will not be influenceed when testing radio circuit 20 by antenna circuit 20；Survey
Pilot 40 is arranged between radio circuit 20 and breaker 30, and test point 40 is used for the signal output of radio circuit 20 to test
Equipment, convenient test；Antenna circuit 10 is connected with antenna feed point 50, reception or transmission for aerial signal.
Specifically, the positive pole of test point 40 is connected with radio circuit 20, the negative pole ground connection of test point 40, breaker 30 and survey
Pilot 40 is located at the positive and negative both sides of circuit board, and both are close to reduce test error so that test result is relatively reliable.
Breaker 30 includes two alternative disconnect and connected with the leg connected, one of leg with radio circuit 20
Connect, another leg is connected with antenna circuit 10, be so just disconnected antenna circuit 10 with radio circuit 20, it is ensured that measurement
As a result accurate.
Antenna circuit 10 includes π type match circuits, and π types match circuit includes Tandem devices and two inductance, Tandem devices
Two ends connect breaker and the antenna feed point respectively, and one end with two inductance is connected respectively, other the one of two inductance
End is grounded respectively.
The test process of radiofrequency signal is as follows：It is off breaker, such radiofrequency signal is transmitted only to test
Point, by the thimble of radio frequency testing instrument and the positive contact of test point, completes two legs welding of breaker after test, makes
Obtain radio frequency day road to connect with antenna circuit, it is ensured that normally use.
The radio frequency test circuit plate that the utility model embodiment is provided, feature is the front stage by test point by breaker
Disconnect, reduce test error, as a result accurately and reliably, and do not need unnecessary radio frequency connector, reduce circuit board cost.
Embodiment of the present utility model is described in detail above, although show and described some realities
Example is applied, it will be understood by those skilled in the art that not departing from this practicality that its scope is limited by claim and its equivalent
In the case of new principle and spirit, these embodiments can be modified and perfect, these modifications and improve also should be
In protection domain of the present utility model.
Claims (5)
1. a kind of radio frequency test circuit plate, it is characterised in that including antenna circuit (10), radio circuit (20), breaker (30)
With test point (40), the breaker (30) is connected between the antenna circuit (10) and the radio circuit (20), described
Test point (40) is arranged between the radio circuit (20) breaker (30), and the breaker (30) is used for described
When radio circuit (20) is tested, the connection between the radio circuit (20) and the antenna circuit (10) is disconnected；The open circuit
Device (30) and the test point (40) are respectively arranged on the positive and negative both sides of circuit board, and both positions are mutually corresponded to.
2. radio frequency test circuit plate according to claim 1, it is characterised in that the test point (40) is provided with positive pole and bears
Pole, the positive pole is electrically connected with the radio circuit (20), the negative pole ground connection.
3. radio frequency test circuit plate according to claim 1, it is characterised in that the breaker (30) includes two selections
Property disconnect and leg connect, one of leg connects the radio circuit (20), another leg connection antenna electric
Road (10).
4. according to any described radio frequency test circuit plates of claim 1-3, it is characterised in that the radio frequency test circuit plate is also
Including antenna feed point (50), the antenna feed point (50) is connected with the antenna circuit (10).
5. radio frequency test circuit plate according to claim 4, it is characterised in that the antenna circuit (10) includes π types
With circuit, the π types match circuit includes Tandem devices and two inductance, and the two ends of the Tandem devices connect the open circuit respectively
Device (30) and the antenna feed point (50), and one end with two inductance is connected respectively, other the one of two inductance
End is grounded respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086860.0U CN206601444U (en) | 2017-01-20 | 2017-01-20 | A kind of radio frequency test circuit plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086860.0U CN206601444U (en) | 2017-01-20 | 2017-01-20 | A kind of radio frequency test circuit plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206601444U true CN206601444U (en) | 2017-10-31 |
Family
ID=60149395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720086860.0U Expired - Fee Related CN206601444U (en) | 2017-01-20 | 2017-01-20 | A kind of radio frequency test circuit plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206601444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932797A (en) * | 2019-11-30 | 2020-03-27 | 惠州Tcl移动通信有限公司 | Connecting circuit, connecting circuit group, system and method for verifying active performance of antenna |
-
2017
- 2017-01-20 CN CN201720086860.0U patent/CN206601444U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932797A (en) * | 2019-11-30 | 2020-03-27 | 惠州Tcl移动通信有限公司 | Connecting circuit, connecting circuit group, system and method for verifying active performance of antenna |
| CN110932797B (en) * | 2019-11-30 | 2022-03-25 | 惠州Tcl移动通信有限公司 | Connecting circuit, connecting circuit group, system and method for verifying active performance of antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171031 Termination date: 20200120 |