CN105100345B - A method of with analog signal come testing mobile phone earpiece power - Google Patents
A method of with analog signal come testing mobile phone earpiece power Download PDFInfo
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- CN105100345B CN105100345B CN201510625875.5A CN201510625875A CN105100345B CN 105100345 B CN105100345 B CN 105100345B CN 201510625875 A CN201510625875 A CN 201510625875A CN 105100345 B CN105100345 B CN 105100345B
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Abstract
The invention belongs to field of mobile phones, specifically refer to it is a kind of with analog signal come the method for testing mobile phone earpiece power, include the following steps: mobile phone to be measured and 8960 tester of Agilent, programmable power supply, oscillograph electrical connection, 8960 tester of Agilent is connected by the RF head of radio frequency line and mobile phone, and the programmable power supply is used to power for mobile phone；The oscillograph is electrically connected with the signal wire of earpiece, the rated power of the known earpiece to be measured is P, mobile phone test card insertion is entered mobile phone and establishes mobile phone and 8960 tester of Agilent to converse, under talking state, switch different incoming call frequencies on 8960 tester of Agilent, oscillograph can show the corresponding voltage peak Um of corresponding frequencies;With the impedance Z of Wan Gongbiao testing receiver；Utilize formula Pm=(Um2/ √ 2)2The maximum power of/Z calculating corresponding frequencies；Pm and P are compared；Operation of the present invention is simple, accurate and effective, can the cracking earpiece for determining mobile phone to be measured whether be qualified products.
Description
Technical field
The invention belongs to field of mobile phones, specifically refer to it is a kind of with analog signal come the side of testing mobile phone earpiece power
Method.
Background technique
The earpiece of mobile phone plays very important effect in communication process, and the power of earpiece is just related to and receives calls
Quality, how to find a kind of simple and effective method can quickly and accurate detection to go out defective in quality earpiece be this
Problems to be solved by the invention.
Summary of the invention
The present invention proposes a kind of easy to operate to overcome the deficiency of the prior art, accurately and reliably uses analog signal
Carry out the method for testing mobile phone earpiece power.
The present invention is to solve above-mentioned technical problem by following technical proposals.
A method of with analog signal come testing mobile phone earpiece power, include the following steps:
Step 1: by mobile phone to be measured and 8960 tester of Agilent, programmable power supply, oscillograph electrical connection, the Agilent
8960 testers are by the RF head connection of radio frequency line and mobile phone, for exporting the analog signal of different frequency to mobile phone, the journey
Control power supply is electrically connected with the power supply interface of mobile phone, is used to power for mobile phone；The oscillograph is electrically connected with the signal wire of earpiece, is used
To measure voltage when earpiece work, it is known that the rated power of the earpiece to be measured is P；
It converses, is conversing step 2: mobile phone test card insertion is entered mobile phone and establishes mobile phone and 8960 tester of Agilent
Under state, switch different incoming call frequencies on 8960 tester of Agilent, oscillograph can show the voltage peak of corresponding frequencies
Um；
Step 3: with the impedance Z of Wan Gongbiao testing receiver；
Step 4: utilizing formula Pm=(Um2/√2)2The maximum power of/Z calculating corresponding frequencies；
Step 5: the rated power P of Pm and earpiece is compared, if Pm is greater than P, that is, it can determine that the earpiece is
Rejected product can determine that the earpiece is qualified product when Pm is not more than P.
The beneficial effects of the present invention are operation of the present invention is simple, accurate and effective, cracking can determine mobile phone to be measured
Whether earpiece is qualified products.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram of test device of the invention.
Specific embodiment
Present pre-ferred embodiments are provided with reference to the accompanying drawing, in order to explain the technical scheme of the invention in detail.
A method of with analog signal come testing mobile phone earpiece power, include the following steps:
Step 1:, by mobile phone to be measured and 8960 tester of Agilent, programmable power supply, oscillograph electrical connection are described such as Fig. 1
8960 tester of Agilent is by the RF head connection of radio frequency line and mobile phone, for exporting the analog signal of different frequency to mobile phone,
The programmable power supply is electrically connected with the power supply interface of mobile phone, exports 4V voltage as mobile phone power supply；The letter of the oscillograph and earpiece
Number line electrical connection, for measuring the voltage peak of output to earpiece, it is known that the rated power of the earpiece to be measured is P；
It converses, is conversing step 2: mobile phone test card insertion is entered mobile phone and establishes mobile phone and 8960 tester of Agilent
Under state, switch different incoming call frequencies on 8960 tester of Agilent, oscillograph can show the corresponding voltage of corresponding frequencies
Peak value Um；
Step 3: with the impedance Z of Wan Gongbiao testing receiver；
Step 4: utilizing formula Pm=(Um2/√2)2The maximum power Pm of/Z calculating corresponding frequencies；
Step 5: the rated power P of Pm and earpiece is compared, if Pm is greater than P, that is, it can determine that the earpiece is
Rejected product can determine that the earpiece is qualified product when Pm is not more than P.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (1)
1. it is a kind of with analog signal come the method for testing mobile phone earpiece power, which comprises the steps of:
Step 1: by mobile phone to be measured and 8960 tester of Agilent, programmable power supply, oscillograph electrical connection, the Agilent 8960
Tester is by the RF head connection of radio frequency line and mobile phone, for exporting the analog signal of different frequency to mobile phone, the program-controlled electric
Source is electrically connected with the power supply interface of mobile phone, is used to power for mobile phone；The oscillograph is electrically connected with the signal wire of earpiece, for surveying
Measure the voltage peak of earpiece, it is known that the rated power of the earpiece to be measured is P；
It converses step 2: mobile phone test card insertion is entered mobile phone and establishes mobile phone and 8960 tester of Agilent, in talking state
Under, switch different incoming call frequencies on 8960 tester of Agilent, oscillograph can show the corresponding voltage peak of corresponding frequencies
Um;
Step 3: with the impedance Z of Wan Gongbiao testing receiver；
Step 4: utilizing formula Pm=(Um2/ √ 2)2 The maximum power of/Z calculating corresponding frequencies；
Step 5: the rated power P of Pm and earpiece is compared, if Pm is greater than P, that is, it can determine that the earpiece is not conform to
Lattice product can determine that the earpiece is qualified product when Pm is not more than P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625875.5A CN105100345B (en) | 2015-09-28 | 2015-09-28 | A method of with analog signal come testing mobile phone earpiece power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625875.5A CN105100345B (en) | 2015-09-28 | 2015-09-28 | A method of with analog signal come testing mobile phone earpiece power |
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| Publication Number | Publication Date |
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| CN105100345A CN105100345A (en) | 2015-11-25 |
| CN105100345B true CN105100345B (en) | 2019-03-26 |
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| CN201510625875.5A Active CN105100345B (en) | 2015-09-28 | 2015-09-28 | A method of with analog signal come testing mobile phone earpiece power |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105933842A (en) * | 2016-04-25 | 2016-09-07 | 上海斐讯数据通信技术有限公司 | Mobile device receiver power testing method and system |
| CN106291173B (en) * | 2016-07-28 | 2019-02-01 | 长江大学 | A kind of mobile phone radio frequency Reliability for Power Amplifiers Auto-Test System and method |
| CN106937233A (en) * | 2017-02-24 | 2017-07-07 | 上海与德信息技术有限公司 | The method and device of audio fault detect |
| WO2019071533A1 (en) * | 2017-10-12 | 2019-04-18 | 深圳传音通讯有限公司 | Smart device call power test method and test device |
| CN107948386B (en) * | 2018-01-10 | 2020-11-03 | 上海展扬通信技术有限公司 | Call quality detection system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1522086A (en) * | 2003-02-12 | 2004-08-18 | 华冠通讯股份有限公司 | Automatic test system and method for handset function |
| CN102970400A (en) * | 2012-11-09 | 2013-03-13 | 深圳市金立通信设备有限公司 | Method and system for testing receiver aging |
| CN203825083U (en) * | 2013-11-27 | 2014-09-10 | 上海斐讯数据通信技术有限公司 | Power testing device for D-type power amplifying loudspeaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000092178A (en) * | 1998-09-08 | 2000-03-31 | Kazuya Koishikawa | Telephone line control program with virtual portable telephone function |
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- 2015-09-28 CN CN201510625875.5A patent/CN105100345B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1522086A (en) * | 2003-02-12 | 2004-08-18 | 华冠通讯股份有限公司 | Automatic test system and method for handset function |
| CN102970400A (en) * | 2012-11-09 | 2013-03-13 | 深圳市金立通信设备有限公司 | Method and system for testing receiver aging |
| CN203825083U (en) * | 2013-11-27 | 2014-09-10 | 上海斐讯数据通信技术有限公司 | Power testing device for D-type power amplifying loudspeaker |
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| CN105100345A (en) | 2015-11-25 |
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