CN201674474U - High-frequency switch controller - Google Patents
High-frequency switch controller Download PDFInfo
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- CN201674474U CN201674474U CN2010201985648U CN201020198564U CN201674474U CN 201674474 U CN201674474 U CN 201674474U CN 2010201985648 U CN2010201985648 U CN 2010201985648U CN 201020198564 U CN201020198564 U CN 201020198564U CN 201674474 U CN201674474 U CN 201674474U
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- switch controller
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Abstract
The utility model discloses a high-frequency switch controller which is characterized by comprising a signal input interface and a signal output interface, wherein the signal input interface is connected with a high-pass circuit, a low-pass circuit and a rejector circuit through a first single-pole multi-throw switch; and the high-pass circuit, the low-pass circuit and the rejector circuit are connected with the signal output interface through a second single-pole multi-throw switch. The high frequency switch controller can measure the signal intensity of different frequency ranges without dismounting and replacing when measuring the multiband signals, is convenient for operation, has short time consumption and high efficiency, and can avoid dismounting and replacing frequently so as to abrade the interfaces of all the parts and ensure accurate measuring result.
Description
Technical field
The utility model relates to a kind of HF switch controller.
Background technology
In the prior art, need the intensity of the spuious harassing and wrecking of testing radiation (RSE): i.e. the harassing and wrecking of test on discrete frequency carrier wave and the sideband relevant with normal modulation.Because communication products such as mobile phone works in different radio bands, in to its radiation dispersion harassing and wrecking (RSE) test, signal needs to use different filters between from the reception antenna to the measuring receiver and puts in advance.At present mobile phone contains different standards mostly, GSM900/1800 for example, GSM850/1900, GSM850/900/1800/1900, WCDMA Band I/II/V/VIII, GSM900/1800/CDMA Cellular, GSM900/1800/TD-SCDMA1900/2100.In the prior art, when test, at each frequency range of required test one bars is set respectively and passes through circuit, when test, the signal circuit of the frequency range of needs tests is connected respectively on antenna and the measuring receiver, after testing a frequency range, the circuit tear-down of having used is got off, change the signal selection circuit of other frequency range.With GSM850/1900 standard mobile phone is example, in the RSE pretest, test TCH Channel 190/661 in the middle of selecting, the corresponding tranmitting frequency 836.6MHz/1880MHz of difference, on the measurement frequency range of 30M-6GHz, need change respectively that the 10M-4GHz low frequency is put in advance, 30M-700MHz low pass filter, 836.6MHz band stop filter, 1880MHz band stop filter, 1G-26.5GHz high frequency are put in advance, 1.5GHz high pass filter, 2.5GHz high pass filter.If carry out the authentication test of FCC, need to test respectively TCH Channel128/190/251/512/661/810 again, in requisition for more filter with put in advance.So frequent dismounting, replacing test link element, not only loaded down with trivial details consuming time, reduce operating efficiency greatly, and frequent dismounting and change, the wearing and tearing of having quickened filter and having put adapter have in advance increased the uncertainty of measurement factor.
The utility model content
The purpose of this utility model is in order to overcome deficiency of the prior art, a kind of dismounting, high efficiency signal selection circuit of need not to be provided.
For realizing above purpose, the utility model is achieved through the following technical solutions:
The HF switch controller, it is characterized in that, comprise signal input interface, signal output interface and high-frequency switch circuit, high-frequency switch circuit is connected with signal output interface with signal input interface, and high-frequency switch circuit comprises first single pole multiple throw, high pass circuit, low pass circuit, band resistance circuit and second single pole multiple throw; High pass circuit, low pass circuit and band resistance circuit are connected with signal input interface by first single pole multiple throw, are connected with signal output interface by second single pole multiple throw.
Preferably, high-frequency switch circuit also comprises signal amplifier, and prime amplifier is connected with high pass circuit, low pass circuit or band resistance circuit by the 3rd single pole multiple throw.
Preferably, be provided with high pass filter in the described high pass circuit.
Preferably, be provided with low pass filter in the described low pass circuit.
Preferably, be provided with band stop filter in the described band resistance circuit.
Preferably, described signal input interface is connected with hilted broadsword seven throw switches, and hilted broadsword seven throw switches are connected with first high pass circuit, second high pass circuit, first low pass circuit, second low pass circuit, the first band resistance circuit, the second band resistance circuit and the 3rd band resistance circuit; First high pass circuit is connected with first signal amplifier by first hilted broadsword, two throw switches with second high pass circuit; First low pass circuit, second low pass circuit, the first band resistance circuit, the second band resistance circuit and the 3rd band resistance circuit are connected with the secondary signal amplifier by hilted broadsword five throw switches; First signal amplifier is connected with signal output interface by second hilted broadsword, two throw switches with the secondary signal amplifier.
In the utility model, the each several part effect is as follows:
Low pass filter: in low frequency (30M-700MHz) test, suppress high fdrequency component, especially the carrier frequency energy is to result's interference.
Near band stop filter: when (carrier frequency) tested in being with, suppress of the influence of carrier frequency energy to this frequency range test.
High pass filter: during the test of high-frequency harmonic frequency range, suppress low frequency component, especially the carrier frequency energy is to result's interference.
Put in advance: before small-signal enters measuring receiver with its amplification, in avoiding useful small-signal to be submerged in making an uproar at the bottom of the receiver and can't detect.
Measuring receiver: measure values such as detection signal power.
HF switch controller in the utility model when measuring the signal of multiband, need not the signal power that dismounting and change can be measured different frequency range.Easy to operate, weak point consuming time, efficient height.Can avoid frequent dismounting and change and the interface of each parts that wear and tear guarantees that measurement result is accurate.
Description of drawings
Fig. 1 is the utility model circuit diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail:
As shown in Figure 1, the HF switch controller comprises signal input interface 1, and described signal input interface 1 is connected seven circuit with hilted broadsword seven throw switch K1, is provided with 1.5GHz high pass filter 21 in first high pass circuit; Second high pass circuit is provided with 2.5GHz high pass filter 22; First high pass circuit is connected with the first pre-arcing road by first hilted broadsword, two throw switch K2 with second high pass circuit, is provided with 1G～26.5GHz prime amplifier 51 in the first pre-arcing road.
Be provided with 30MHz～1G low pass filter 31 in first low pass circuit; Be provided with 30MHz～700MHz low pass filter 32 in second low pass circuit.
In the first band resistance circuit the tunable band stop filter 41 of 900MHz is set; Be provided with the tunable band stop filter 42 of 1800MHz in the second band resistance circuit; Be provided with the tunable band stop filter 43 of WCDMA in the 3rd band resistance circuit.
First low pass circuit, second low pass circuit, the first band resistance circuit, the second band resistance circuit and the 3rd band resistance circuit are connected with the second pre-arcing road by hilted broadsword five throw switch K3; The second pre-arcing road is provided with 10MHz～4G prime amplifier 52.
The first pre-arcing road is connected with signal output interface 6 by second hilted broadsword, two throw switch K4 with the second pre-arcing road.
Wherein, high pass filter and low pass filter are integrated in a casing (not shown) inside owing to the broad applicability to most of standards; And band stop filter is only applicable to single emission frequency, so connect outside casing by adapter, adjusting promptly for convenience detach has improved the autgmentability of system again.
When carrying out GSM900 30M～700MHz RSE test, seven throw switch K1 rotate to k1-4 with hilted broadsword, hilted broadsword five throw switch K3 rotate to k3-2, second hilted broadsword, two throw switch K4 rotate to k4-2, the radiation signal that this moment, reception antenna received is entered by HF switch controller input interface 1, by 30M～700MHz low pass filter 32 filtering, again after 10M～4GHz prime amplifier 51 amplifies, slave controller signal output interface 6 outputs to the measuring receiver (not shown), finishes test.
When continuing testing GSM 900 700M～1.5GHz frequency range, seven throw switch K1 rotate to k1-5 with hilted broadsword, hilted broadsword five throw switch K3 rotate to k3-3, second hilted broadsword, two throw switch K4 rotate to k4-2, the radiation signal that this moment, reception antenna received is entered by high-frequency switching signal input interface 1, by tunable band stop filter 41 filtering of 900MHz, again after 10MHz～4G prime amplifier 52 amplifies, slave controller signal output interface 6 outputs to measuring receiver, finishes test.When carrying out GSM900 1.5G～6GHz frequency range, seven throw switch K1 rotate to k1-1 with hilted broadsword, first hilted broadsword, two throw switch K2 rotate to k2-1, hilted broadsword five throw switch K3 rotate to k4-1, the radiation signal that this moment, reception antenna received is entered by HF switch controller signals input interface 1, by 21 filtering of 1.5GHz high pass filter, again after 1G～26.5GHz prime amplifier 51 amplifies, slave controller signal output interface 6 outputs to measuring receiver, finishes test.
Equally, when carrying out DCS1800 30M～700MHz RSE test, seven throw switch K1 rotate to k1-4 with hilted broadsword, hilted broadsword five throw switch K3 rotate to k3-2, and second hilted broadsword, two throw switch K4 rotate to k4-2, and the radiation signal that this moment, reception antenna received is entered by HF switch controller signals input interface 1, by 30MHz～700MHz low pass filter 32 filtering, after 10MHz～4G prime amplifier 52 amplified, slave controller signal output interface 6 outputed to measuring receiver, finishes test again.
When continuing test DCS1800 700M～2GHz frequency range, seven throw switch K1 rotate to k1-6 with hilted broadsword, hilted broadsword five throw switch K3 rotate to k3-4, second hilted broadsword, two throw switch K4 rotate to k4-2, the radiation signal that this moment, reception antenna received is entered by HF switch controller signals input interface 1, by tunable band stop filter 41 filtering of 900MHz, again after 10MHz～4G prime amplifier 52 amplifies, slave controller signal output interface 6 outputs to measuring receiver, finishes test.
When carrying out DCS1800 3G～6GHz frequency range, seven throw switch K1 rotate to k1-2 with hilted broadsword, first hilted broadsword, two throw switch K2 rotate to k2-2, second hilted broadsword, two throw switch K4 rotate to k4-1, the radiation signal that this moment, reception antenna received is entered by HF switch controller signals input interface 1, by 22 filtering of 2.5GHz high pass filter, again after 1G～26.5GHz prime amplifier 51 amplifies, slave controller signal output interface 6 outputs to measuring receiver, finishes test.
The HF switch controller of our company's development has improved RSE test link switching mode, by original complete manually dismounting semi-automation till now, only needs the several switching knobs of rotation just can realize the big conversion of different test links.Originally the workload of finishing in 5～10 minutes only needed to finish for 1～2 second now, and this has saved the testing time greatly, has improved operating efficiency;
The frequent dismounting that the use of HF switch controller has been avoided filter and put has in advance reduced the wearing and tearing of equipment component adapter, greatly reduces filter and puts the probability that the valuable precision equipment component wear of this class is demoted in advance.Meanwhile, it has also avoided manual dismounting filter and when putting in advance, because contact closely or the uncertainty of measurement introduced of distortion does not strengthen accuracy and the repeatability measured;
The interface of HF switch controller outer end makes the conversion of link element convenient and simple, has strengthened the extensibility and the applicability of system.
Embodiment in the utility model only is used for the utility model is described, and does not constitute the restriction to the claim scope, and other substituting of being equal in fact that those skilled in that art can expect are all in the utility model protection range.
Claims (6)
1. HF switch controller, it is characterized in that, comprise signal input interface, signal output interface and high-frequency switch circuit, high-frequency switch circuit is connected with signal output interface with signal input interface, and high-frequency switch circuit comprises first single pole multiple throw, high pass circuit, low pass circuit, band resistance circuit and second single pole multiple throw; High pass circuit, low pass circuit and band resistance circuit are connected with signal input interface by first single pole multiple throw, are connected with signal output interface by second single pole multiple throw.
2. HF switch controller according to claim 1 is characterized in that high-frequency switch circuit also comprises signal amplifier, and prime amplifier is connected with high pass circuit, low pass circuit or band resistance circuit by the 3rd single pole multiple throw.
3. HF switch controller according to claim 1 is characterized in that, is provided with high pass filter in the described high pass circuit.
4. HF switch controller according to claim 1 is characterized in that, is provided with low pass filter in the described low pass circuit.
5. HF switch controller according to claim 1 is characterized in that, is provided with band stop filter in the described band resistance circuit.
6. HF switch controller according to claim 1 and 2, it is characterized in that, described signal input interface is connected with hilted broadsword seven throw switches, and hilted broadsword seven throw switches are connected with first high pass circuit, second high pass circuit, first low pass circuit, second low pass circuit, the first band resistance circuit, the second band resistance circuit and the 3rd band resistance circuit; First high pass circuit is connected with first signal amplifier by first hilted broadsword, two throw switches with second high pass circuit; First low pass circuit, second low pass circuit, the first band resistance circuit, the second band resistance circuit and the 3rd band resistance circuit are connected with the secondary signal amplifier by hilted broadsword five throw switches; First signal amplifier is connected with signal output interface by second hilted broadsword, two throw switches with the secondary signal amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201985648U CN201674474U (en) | 2010-05-18 | 2010-05-18 | High-frequency switch controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201985648U CN201674474U (en) | 2010-05-18 | 2010-05-18 | High-frequency switch controller |
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| Publication Number | Publication Date |
|---|---|
| CN201674474U true CN201674474U (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201985648U Expired - Fee Related CN201674474U (en) | 2010-05-18 | 2010-05-18 | High-frequency switch controller |
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| CN (1) | CN201674474U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780280A (en) * | 2014-02-27 | 2014-05-07 | 华为技术有限公司 | Radio frequency path |
| CN105515561A (en) * | 2015-12-01 | 2016-04-20 | 唯捷创芯(天津)电子技术股份有限公司 | Multipath switching circuit, chip and communication terminal |
| US9577631B2 (en) | 2015-02-13 | 2017-02-21 | Richwave Technology Corp. | Single pole multi-throw switch |
| CN107786220A (en) * | 2016-08-30 | 2018-03-09 | 上海中兴软件有限责任公司 | The radio frequency sampling ADC method, apparatus and receiver of a kind of receiver |
| US10340704B2 (en) | 2015-02-13 | 2019-07-02 | Richwave Technology Corp. | Switch device with a wide bandwidth |
-
2010
- 2010-05-18 CN CN2010201985648U patent/CN201674474U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780280A (en) * | 2014-02-27 | 2014-05-07 | 华为技术有限公司 | Radio frequency path |
| CN103780280B (en) * | 2014-02-27 | 2016-06-15 | 华为技术有限公司 | Radio frequency path |
| US9379754B2 (en) | 2014-02-27 | 2016-06-28 | Huawei Technologies Co., Ltd. | Radio frequency channel |
| US9577631B2 (en) | 2015-02-13 | 2017-02-21 | Richwave Technology Corp. | Single pole multi-throw switch |
| US10340704B2 (en) | 2015-02-13 | 2019-07-02 | Richwave Technology Corp. | Switch device with a wide bandwidth |
| CN105515561A (en) * | 2015-12-01 | 2016-04-20 | 唯捷创芯(天津)电子技术股份有限公司 | Multipath switching circuit, chip and communication terminal |
| CN107786220A (en) * | 2016-08-30 | 2018-03-09 | 上海中兴软件有限责任公司 | The radio frequency sampling ADC method, apparatus and receiver of a kind of receiver |
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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: 20101215 Termination date: 20150518 |
|
| EXPY | Termination of patent right or utility model |