CN2299398Y - Standard receiving antenna - Google Patents
Standard receiving antenna Download PDFInfo
- Publication number
- CN2299398Y CN2299398Y CN 97209431 CN97209431U CN2299398Y CN 2299398 Y CN2299398 Y CN 2299398Y CN 97209431 CN97209431 CN 97209431 CN 97209431 U CN97209431 U CN 97209431U CN 2299398 Y CN2299398 Y CN 2299398Y
- Authority
- CN
- China
- Prior art keywords
- receiving antenna
- oscillator
- standard receiving
- antenna
- detecting circuit
- 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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- Circuits Of Receivers In General (AREA)
Abstract
The utility model relates to a standard receiving antenna which has the structure that a detecting circuit is composed of resistors, capacitors and detector diodes. Super-high-frequency electromotive-force induced by a vibrator is converted into DC voltage through the detecting circuit. The DC voltage is measured by an electrical-field meter, and through calculation, a field-intensity value of the electrical-field at a certain point of the free space is obtained. The utility model has the advantages of reasonable design and reliable and stable use. Combined with the electrical-field meter to form an apparatus for calibrating by the standard antenna method, the utility model can calibrate antenna coefficients of a TV antenna, a communication antenna, etc.
Description
The utility model relates to a kind of standard receiving antenna of boresight antenna coefficient.
The standard receiving antenna that uses generally adopts dipole antenna to receive space electric field, output dc voltage after the wave detector detection at present.By measuring direct voltage, computer memory electric field strength value.Its not enough place is the detector diode instability of use; Diode and oscillator, detecting circuit to be connected technology coarse; It is longer to be connected distance between detector diode and the detection filter circuit, and distributed capacitance is big; Frequency characteristic is poor; The two lines output poor anti jamming capability of wave detector; And can only show to survey detecting circuit with the electrician.
The purpose of this utility model is, transforms at above-mentioned prior art deficiency, proposed a kind of novel standard receiving antenna.
Technical solution of the present utility model is that the antenna pedestal of employing is by capacitor C
1(6), C
2(7), C
3(10), C
4(11) and resistance R
1(4), R
2(5), R
3(8), R
4(9) detection filter circuit of Zu Chenging and detector diode (3) constitute detecting circuit and its input are linked to each other with oscillator (1) through oscillator seat folder (2) again, be assembled in to receive on the excellent cover for seat (12), and be responsible for (15) composition jointly.
Purpose of the present invention can also reach by following measure, and detector diode (3) is a Schottky diode, model WH361.It is output as the symmetrical detection direct voltage of three-way output the detecting circuit that detection filter circuit and detector diode are formed.After the oscillator seat pressed from both sides (2) and oscillator (1) cooperates, it was a pyramidal structure.
The beneficial effects of the utility model are, reduce distributed capacitance and frequency additive error, improved antijamming capability and measuring accuracy, as long as symmetry of otherwise designed---asymmetric translation interface, promptly the digital voltmeter of available any model all can be measured its detection direct voltage.
Below in conjunction with accompanying drawing explanation is done in the realization of the object of the invention:
Fig. 1 standard receiving antenna structural representation, wherein:
1---oscillator 7---capacitor C
2
2---oscillator seat folder 8---resistor R
3
3---detection diode 9---resistor R
4
4---resistor R
110---capacitor C
3
5---resistor R
211---capacitor C
4
6---capacitor C
112---receive excellent cover for seat
13---cable joint
14---cable
15---be responsible for
Go up induction hyperfrequency voltage when space electric field at oscillator (1), the detector diode (3) that connects through oscillator seat folder (2) produces detecting circuit, inputs to by resistor R
1(4), R
2(5), R
3(8), R
4(9) and capacitor C
1(6), C
2(7), C
3(10), C
4During the symmetrical detection filter circuit (11) formed, pass from its three output lines and to receive excellent cover for seat (12) and input on the measuring instrument.
The utility model is by the contrast experiment of standard-antenna method and standard electric field method, and the field intensity value error of its measurement is less than ± 1d β.
Claims (5)
1. a standard receiving antenna has antenna pedestal and a pair of oscillator (1).It is characterized in that capacitor C
1(6), C
2(7), C
3(10), C
4(11) and resistor R
1(4), R
2(5), R
3(8), R
4(11) form detection filter circuit.This circuit and detection diode (3) constitute detecting circuit.The detecting circuit input is connected with oscillator (1) through oscillator seat folder (2).It is assembled in reception handful cover for seat (12) upward and with the person in charge (15) forms antenna pedestal.
2. a kind of standard receiving antenna according to claim 1 is characterized in that by four capacitor C
1(6), C
2(7), C
3(10), C
4(11) and four resistor R
1(4), R
2(5), R
3(8), R
4(11) detection filter circuit of Zu Chenging is through resistance R
1(4), R
2(5) directly be connected with oscillator seat folder (2).
3. a kind of standard receiving antenna according to claim 1 is characterized in that detection diode (3) is a Schottky diode, model WH361.
4. a kind of standard receiving antenna according to claim 1 is characterized in that capacitor C
1(6), C
2(7), C
3(10), C
4(11) and resistor R
1(4), R
2(5), R
3(8), R
4(9) and the detecting circuit formed of detector diode its be output as the symmetrical detection direct voltage of three-way output.
5. a kind of standard receiving antenna according to claim 1, after it is characterized in that oscillator seat folder (2) and oscillator (1) cooperating, it is a pyramidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97209431 CN2299398Y (en) | 1997-03-10 | 1997-03-10 | Standard receiving antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97209431 CN2299398Y (en) | 1997-03-10 | 1997-03-10 | Standard receiving antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2299398Y true CN2299398Y (en) | 1998-12-02 |
Family
ID=33928622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97209431 Expired - Fee Related CN2299398Y (en) | 1997-03-10 | 1997-03-10 | Standard receiving antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2299398Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3208620A1 (en) * | 2016-02-19 | 2017-08-23 | Rohde & Schwarz GmbH & Co. KG | Measuring system for over-the-air power measurements |
| US10003989B1 (en) | 2016-12-07 | 2018-06-19 | Rohde & Schwarz Gmbh & Co. Kg | Measuring device, measuring system and measuring method for over the air power measurement and indication |
-
1997
- 1997-03-10 CN CN 97209431 patent/CN2299398Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3208620A1 (en) * | 2016-02-19 | 2017-08-23 | Rohde & Schwarz GmbH & Co. KG | Measuring system for over-the-air power measurements |
| CN107102199A (en) * | 2016-02-19 | 2017-08-29 | 罗德施瓦兹两合股份有限公司 | The measuring system measured for wireless power |
| US10135553B2 (en) | 2016-02-19 | 2018-11-20 | Rohde & Schwarz Gmbh & Co. Kg | Measuring system for over-the-air power measurements |
| US10693572B2 (en) | 2016-02-19 | 2020-06-23 | Rohde & Schwarz Gmbh & Co. Kg | Measuring system for over-the-air power measurements with active transmission |
| CN107102199B (en) * | 2016-02-19 | 2021-01-08 | 罗德施瓦兹两合股份有限公司 | Measurement system for wireless power measurement |
| US10003989B1 (en) | 2016-12-07 | 2018-06-19 | Rohde & Schwarz Gmbh & Co. Kg | Measuring device, measuring system and measuring method for over the air power measurement and indication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |