CN206850009U - Multiband radio aerial of cars - Google Patents

Multiband radio aerial of cars Download PDF

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Publication number
CN206850009U
CN206850009U CN201720754388.3U CN201720754388U CN206850009U CN 206850009 U CN206850009 U CN 206850009U CN 201720754388 U CN201720754388 U CN 201720754388U CN 206850009 U CN206850009 U CN 206850009U
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CN
China
Prior art keywords
antenna
band
gain
signal
multiband
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CN201720754388.3U
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Chinese (zh)
Inventor
呂裕盛
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YOUJI ELECTRONIC ENTERPRISE CO Ltd
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YOUJI ELECTRONIC ENTERPRISE CO Ltd
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Priority to CN201720754388.3U priority Critical patent/CN206850009U/en
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Abstract

A kind of multiband radio aerial of cars has the shell and base in shark dorsal fin shape, the roof face of automobile can be installed in, top is provided with the metal antenna cover in shark dorsal fin shape inside the shell, base has a hollow out, one metal pedestal is assembled in hollow part, a signal gain circuit board and an antenna substrate are more configured on base, the earth terminal of signal gain circuit board is electrically connected with metal pedestal, output end is electrically connected with auto radio, antenna substrate is vertically stood on base, patterned antenna circuit is printed with thereon, it is electrically connected with signal gain circuit board, one metal clips of configuration can be electrically connected with antenna house at the top of antenna substrate, antenna house is set to turn into the extension of antenna traces, form an AM, FM, DAB III multiband radio antenna.

Description

Multiband radio aerial of cars
Technical field
The utility model is a kind of multiband radio aerial of cars, is used especially with regard to a kind of auto radio device Antenna, there is the radio of the multi-band signal such as enhancing amplitude modulation (AM), frequency modulation (FM) and digital broadcasting (DAB Band-III) Antenna.
Background technology
The frequency of the design of antenna and radio, direction and received-signal strength are relevant in radio transmission techniques, traditional Radio aerial of cars is mostly the long rod of telescopic metal, and in addition to having no aesthetic feeling, take up space, flexible motor mechanism is also easily sent out Raw failure, it is quite inconvenient, thus such a radio antenna early has dropped out the market of top car.
Because DAB Band-III frequency band ranges are in 174MHz~240MHz, with FM frequency band ranges 76MHz~108MHz It is close, therefore the DAB Band-III antennas that FM antennas can be also used as use, but DAB Band-III signal can be weaker, and DAB Band-III are to use digit translation voice signal, and signal is too weak to cause that radio sounding is intermittent, and this is to top It is unacceptable for car, so a dedicated antenna can be built for DAB Band-III, therefore current automobile radio reception Machine antenna still has amendatory space.
Utility model content
It is that spy concentrates on studies and coordinates the fortune of scientific principle to solve inconvenience possessed by above-mentioned radio aerial of cars and missing With, propose a kind of multiband radio aerial of cars, not only with shark dorsal fin profile attractive in appearance, roof can be installed in, again have It is improved the purpose of the radio receiver signal of more than III kinds of frequency band of AM, FM and DAB Band-.
In order to achieve the above object, the utility model, which is mainly characterized by, provides a kind of multiband auto radio day Line, including one in the shark dorsal fin shape of bottom opening shell and base, the roof face of automobile can be installed in after combination, outside Shell inside front is provided with the antenna house of a metal material, and also in shark dorsal fin shape, base is provided with a hollow out, a gold medal at center Category seat is assembled in the hollow part, and a signal gain circuit board and an antenna substrate are more configured on base, signal gain circuit board Earth terminal is electrically connected with metal pedestal, and output end is electrically connected with auto radio, and antenna substrate vertically stands on base, printed thereon Brushed with patterned antenna circuit, signal gain circuit board is electrically connected with, one metal clips of configuration can electrically connect at the top of antenna substrate Antenna house is connect, antenna house is turned into the extension of antenna traces, forms an AM, FM, DAB Band- III multiband radio day Line.
Described multiband seat radio antenna, the wherein interior sidewall surface of the shell are provided with an at least stud, and the day Irdome is provided with an at least screw, to should stud, an at least screw is locked on the stud through the screw, consolidates the antenna house Due to the shell inside front.
Described multiband seat radio antenna, the wherein metal pedestal are a metal plate-like, and the metal pedestal has one Cable fairlead, the downward one sealed cylinder of projection in bottom surface of the metal pedestal, there is a screw on the sealed cylinder, can be taken by a spiral shell For silk by base assembling locking in the roof face, the cable fairlead allows the cable to draw, and the vapour is extended to through the roof face In-car portion.
Described multiband seat radio antenna, the wherein lateral border of the base and downside more coat a quality of rubber materials Waterproof cushion.
Described multiband seat radio antenna, wherein the signal gain circuit board are provided with a metal connected slot, And the bottom of the antenna substrate is provided with a sheet metal, the antenna traces are electrically connected with, the sheet metal stretches out, and can correspond to and insert In the metal connected slot, the antenna traces are made to be electrically connected to the signal gain circuit board.
Described multiband seat radio antenna, the wherein base are further provided with an at least support, the bottom of the antenna substrate Portion is correspondingly provided with an at least screw, the antenna substrate can be locked on the support by an at least screw.
Described multiband seat radio antenna, the wherein antenna house are fixed on upper on the inside of the shell in ㄇ fonts Side, the metal clips of the antenna substrate are electrically connected with the antenna traces, and positioned at the top of the antenna substrate to the antenna base The two sides of plate extend downwardly and outwardly, and enable metal clips antenna house in electrical contact.
Described multiband seat radio antenna, wherein the signal gain circuit board include an AM band gains circuit and The band gain circuits of one FM/DAB Band- III.
Described multiband seat radio antenna, wherein the AM band gain circuits further include:
One AM prime bandpass filters, are electrically connected with the antenna traces, to pass through an AM band signals;
One AM gain amplifiers, the AM prime bandpass filters are connected, to amplify the AM band signals;And
One AM rear class bandpass filters, connect the AM gain amplifiers, the AM band signals after amplification to be exported To the radio devices.
Described multiband seat radio antenna, the wherein gain circuitries of FM/DAB Band- III further include:
One prime bandpass filter, connects the antenna traces, to pass through a FM band signals and the frequencies of a DAB Band- III Band signal;
One automatic gain control unit, the prime bandpass filter is connected, to receive gain signal sampling, control should The gain ratio of FM band signals and the band signals of DAB Band- III;
One first gain amplifier, connects the automatic gain control unit, to amplify the FM band signals and DAB The band signals of Band- III;And
One rear class bandpass filter, first gain amplifier is connected, to by FM band signals and DAB after amplification The band signals of Band- III are exported to the radio devices.
Described multiband seat radio antenna, the wherein automatic gain control unit further include:
One attenuator, it is connected between the prime bandpass filter and first gain amplifier;
One sampler, the output end of first gain amplifier is connected to, to sample the FM band signals and the DAB The band signals of Band- III;
One second gain amplifier, is connected to the sampler, to amplify the FM band signals and DAB for being sampled The band signals of Band- III;
One signal detector, the second gain signal amplifier is connected to, to detect the FM band signals after amplification And whether the output signal value of the band signals of DAB Band- III is excessive;And
One attenuation controller, it is connected between the signal detector and the attenuator, the signal detector to be examined The pad value of the output control of the survey attenuator, with moderate control gain magnification ratio.
Described multiband seat radio antenna, the wherein antenna substrate include a dielectric layer and two surface pattern antennas Line layer, the patterned antenna line layer are laid out in one group of FM antenna traces and one group of antenna traces of DAB Band- III.
Brief description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the utility model embodiment.
Fig. 2 is Fig. 1 outward appearance schematic side view.
Fig. 3 is the perspective exploded view of the utility model embodiment.
The A-A diagrammatic cross-sections that Fig. 4 is Fig. 2.
Fig. 5 is the block schematic diagram of the utility model signal gain circuit.
Fig. 6 is the utility model antenna measurement standing wave pattern.
10 radio antennas
11 shells
12 antenna houses
20 bases
201 fixed columns
21 waterproof cushions
22 metal pedestals
221 holding sections
222 cables
30 signal gain circuit boards
31 antenna substrates
32 metal clips
33 metal connected slots
34 sheet metals
40AM band-pass gain circuits
41AM prime bandpass filters
42AM gain amplifiers
43AM rear class bandpass filters
The band-pass gain circuits of 50FM/DAB Band- III
51 prime bandpass filters
52 automatic gain control units
53 first gain amplifiers
54 rear class bandpass filters
521 samplers
522 second gain amplifiers
523 signal detectors
524 attenuation controllers
525 attenuators
Embodiment
In order to be further understood that the utility model is to reach technology, means and effect that predetermined purpose taken, please join Read below in connection with detailed description of the present utility model and accompanying drawing, it is believed that the purpose of this utility model, feature and feature, thus when can be One deeply and it is specific understand, but institute's accompanying drawings are only provided and used with reference to explanation, are not used for being subject to the utility model Limiter.
Referring initially to shown in Fig. 1 to Fig. 4, Fig. 1 is embodiment stereoscopic schematic diagram of the present utility model, Fig. 2 Fig. 1 Outward appearance schematic side view, Fig. 3 be embodiment of the present utility model perspective exploded view, and Fig. 4 be Fig. 2 A-A section views Schematic diagram.In embodiment of the present utility model, there is multiband radio aerial of cars 10 shell 11 to show as shark The shape of dorsal fin, the material of shell 11 is the plastic material of insulation, and the bottom of shell 11 is opening-like, is configured inside shell 11 The antenna house 12 of one metal material, in the utility model embodiment, antenna house 12 curves ㄇ words by a triangular shape Jin Shu Pian Bend The shark dorsal fin shape of shape, the inner side of shell 11 are provided with a stud (not shown) close to top, have one at 12 corresponding stud of antenna house Screw (not shown), antenna house 12 is locked in the top of the inner side of shell 11 through screw by a screw (not shown) (as shown in Figure 4).
It is plastic material that it is plate-like, which also to include a base 20 in the utility model embodiment, the profile and size of base 20 Close with the opening of shell 11, the upper side of base 20 corresponds to the opening of shell 11, and automobile is assembled in after being combined with shell 11 The roof face of (not shown).
The present embodiment is that multiple screws are provided with outer rim in base 20, and the inner side of shell 11 is provided with opening edge Multiple studs, multiple screws at the outer rim of base 20 are corresponded to, use and utilize multiple screw (not shown) by base 20 and shell 11 combination lockings.
In the present embodiment, the lateral border of base 20 and downside more coat the waterproof cushion 21 of a quality of rubber materials, can The waterproof for combining locking with shell 11 as base 20 is used with buffering, combines the buffering of locking with roof face with more base 20 With waterproof efficacy.
In the utility model embodiment, there is a hollow out at the center of base 20 (delaying layer 21 comprising waterproof) (in figure not Show), a metal pedestal 22 is that metal plate-like is assembled in the hollow part, and the present embodiment is the upper side in base 20 before hollow part Both ends respectively set holding section 221 afterwards, the metal pedestal 22 are fastened on into hollow part, metal pedestal 22 has a cable fairlead (figure In do not show) cable 222 can be allowed to draw the inside for extending to automobile through roof face.The downward projection in bottom surface of the metal pedestal 22 One sealed cylinder, there is a screw (not shown) on sealed cylinder, can assemble base 20 by a screw (not shown) Locking is in roof face.
In the utility model embodiment, a signal gain circuit board 30 and an antenna substrate 31 are further included, signal increases Have on beneficial circuit board 30 can gain antenna signal gain circuitry and related electronic components, signal gain circuit board 30 is configured at The upper side of base 20, and it is positioned at the top of metal pedestal 22, and signal gain circuit board to have part signal gain circuitry plate 30 30 earth terminal (not shown) is electrically connected with metal pedestal 22, and the signal output part of signal gain circuit board 30 is by cable 222 are electrically connected to the radio devices (not shown) in automobile.The present embodiment is all provided with metal pedestal 22 and base 20 Stud, and screw is provided with 30 corresponding stud of signal gain circuit board, screw can be passed through by screw by signal gain circuit The combination locking of plate 30 is further provided with locating dowel in addition in metal pedestal 22 and base 20 on base 20, and signal gain circuit board 30 Positioning hole is provided with upper corresponding locating dowel, locating dowel penetrates positioning hole, signal gain circuit board 30 is correctly located against base On.
In the utility model embodiment, antenna substrate 31 is the upper side for vertically standing on base 20, is printed on antenna substrate 31 Brushed with patterned antenna circuit, the top of antenna substrate 31 is configured with a metal clips 32, can antenna house 12 in electrical contact so that Antenna house 12 can turn into the extension of antenna traces, form the more of amplitude modulation (AM), frequency modulation (FM) and digital broadcasting (DAB Band- III) Frequency band radio antenna.And antenna substrate 31 is more electrically connected to signal gain circuit board 30, to by multiband radio day Line received signal is sent to signal gain circuit board 30.
It is that a metal connected slot 33, the bottom of antenna substrate 31 are provided with signal gain circuit board 30 in the present embodiment Portion extends prominent sheet metal 34 forwards provided with one, is electrically connected with antenna traces, and sheet metal 34 can be inserted in metal connection In slot 33, antenna traces are enable to be electrically connected to signal gain circuit board 30.In addition, the present embodiment is to set two on base 20 Individual fixed column 201, the one side of fixed column 201 set screw, and antenna substrate 31 is provided with two perforations close to bottom, corresponding fixed column Screw, it can be fixed on antenna substrate 31 is sealed by screw in fixed column 201, antenna substrate 31 is stood on base 20.
Antenna traces are electrically connected to also referring to Fig. 3 and Fig. 4, the metal clips 32 of the top of antenna substrate 31 in addition, Metal clips 32 is combined in antenna substrate by the stubborn Ω shape for curving both ends and extending downwardly and outwardly of a sheet metal in the present embodiment Behind 31 upper ends, enable metal clips 32 is in electrical contact to arrive antenna house 12.
Refer to shown in Fig. 5, be the block schematic diagram of the utility model signal gain circuit, in implementation of the present utility model In example, the input of the signal gain circuit on above-mentioned signal gain circuit board 30 is electrically connected to the day of aforementioned antenna substrate 31 Line circuit, output end are electrically connected to the radio devices of automobile, and wherein signal gain circuit includes AM band-pass gains electricity The band-pass gain circuits 50 of 40 and one FM/DAB Band- of road III, and AM band-pass gains circuit 40 includes an AM prime bandpass filterings Device 41, an AM gain amplifiers 42 and an AM rear classes bandpass filter 43.
The input of wherein AM primes bandpass filter 41 is electrically connected to the antenna traces of above-mentioned antenna substrate 31, can connect The radio signal of AM frequency band sections is received, and limits the signal that non-AM frequency bands are excluded by AM band signals.Above-mentioned AM gains Amplifier 42 is electrically connected to AM primes bandpass filter 41, to amplify the yield value of AM band signals.Above-mentioned AM rear classes band Bandpass filter 43 is then electrically connected to AM gain amplifiers 42 and above-mentioned output end, after limiting again only by amplification AM band signals are sent to above-mentioned output end to auto radio.
And the band-pass gain circuits 50 of FM/DAB Band- III include a prime bandpass filter 51, an automatic growth control (Automatic Gain Control, AGC) unit 52, one first gain amplifier 53 and a rear class bandpass filter 54.Its The input of middle prime bandpass filter 51 is electrically connected to the antenna traces of aforementioned antenna substrate 31, limiting by FM and The band signals of DAB Band- III and exclude the signal of the non-frequency bands of FM and DAB Band- III, above-mentioned first gain amplifier 53 to Amplify the yield value of the band signals of FM and DAB Band- III, and above-mentioned automatic gain control unit 52 is electrically connected at prime band Between the gain amplifier 53 of bandpass filter 51 and first, to control the band signals of FM and DAB Band- III to pass through the first gain Amplifier 53 amplify after can never because gain is excessive and distortion, reach the effect of automatically controlling gain, above-mentioned rear class band logical filter Ripple device 54 is electrically connected to the first gain amplifier 53 and above-mentioned output end, limiting again only by the FM after amplification and The band signals of DAB Band- III are sent to above-mentioned output end to auto radio.
Because the band signals of FM and DAB Band- III are in the strong area of some signals, by above-mentioned first gain amplifier After 53 signal gain amplification, the phenomenon of distortion can be caused, therefore the automatic gain control unit 52 of the utility model design can Whether the band signals of FM and DAB Band- III are excessive after judging amplification, and the band signals of FM and DAB Band- III decline if excessive Device 53 is put after subtracting by the first gain again to amplify, to avoid distortion phenomenon, and automatic gain control unit of the present utility model 52 wraps Include a sampler 521, the second gain amplifier 522, a signal detector 523, an attenuation controller 524 and an attenuator 525.
Wherein sampler 521 is electrically connected to the output end of the first gain amplifier 53, to sample the first gain amplification The output signal of device 53, the second gain amplifier 522 are electrically connected to sampler 521, are sampled amplifying sampler 521 Signal gain value, and the gain magnifying power of the second gain amplifier 522 is close with the gain magnifying power of the first gain amplifier 53. Above-mentioned signal detector 523 is electrically connected to the second gain amplifier 522, to detect amplification after sampled signal value whether mistake Greatly, and export to an attenuation controller 524, and attenuation controller 524 is then connected to above-mentioned attenuator 525, attenuator 525 is then It is electrically connected between the gain amplifier 53 of prime bandpass filter 51 and first.
The operating principle of the utility model automatic gain control unit 52 be first by the band signals of FM and DAB Band- III by By the gain amplifier value of the second gain amplifier 53, then by sampler 521 and signal detector 523 come detected signal value whether mistake Greatly, because the gain magnifying power of the second gain amplifier 522 is close with the gain magnifying power of the first gain amplifier 53, therefore can With accurately detect out after the amplification of the band signals of FM and DAB Band- III whether can excessive and distortion, when signal detector 523 is examined When the band signal entering signal values of FM and DAB Band- III measured are excessive, the output signal of signal detector 523 causes decay to control Device 524 processed is resent to the first gain amplifier 53 after controlling the signal attenuation of attenuator 525.Conversely, work as signal detector 523 During signal value not excessive (normal) of the band signals of FM and DAB Band- III detected, the output signal of signal detector 523 makes Adjustable attenuation 524 controls the cut signal that do not wane of attenuator 525 to be resent to the first gain amplifier 53.Can so make FM and The band signals of DAB Band- III by the first gain amplifier 53 amplification after can never because gain is excessive and distortion, reach from The effect of dynamic control gain.
Referring again to shown in Fig. 3, the antenna substrate 31 of the utility model embodiment is the day an of printed circuit board (PCB) (PCB) formula Line, including a dielectric layer, all there are the antenna traces of patterning on two surfaces of dielectric layer, it is preferred that patterned antenna circuit It is laid out in a FM antenna traces and the antenna traces of a DAB Band- III, one end is electrically connected to signal gain circuit board 30, and it is another One end is electrically connected to antenna house 12.Because the antenna traces of FM and DAB Band- III that antenna substrate 31 is laid out out can form height Tuned mass factor Q and low-impedance passive type antenna traces, and the optimal multibands of AM, FM and DAB Band- III can be reached Radio receiver signal (Radio Signal).And the utility model multiband radio aerial of cars device passes through actual test Afterwards, its frequency response spectrogram is in Fig. 6 as shown in fig. 6, be shown at the frequency band of 88~108MHz modulating FMs, and 170~ 240MHz numerals, which expand to broadcast, can all form standing-wave ratio at DAB Band- III frequency band<=2 waveform, meets AM, FM and DAB The requirement of the multiband radio antennas of Band- III design matching.
Duty is that the utility model really can be by above-mentioned disclosed technology, there is provided it is a kind of far different in existing design, may Overall use value can be improved, and is not found in publication before its application or openly uses, has really met the important document of new patent, therefore New patent application is proposed in accordance with the law.

Claims (12)

  1. A kind of 1. multiband seat radio antenna, it is characterised in that including:
    One shell, it is isolation material, in the shark dorsal fin shape of bottom opening;
    One antenna house, also it is in shark dorsal fin shape for metal material, the top being placed on the inside of the shell;
    One base, it is isolation material, size is close with the bottom opening of shell, can be with after the housing combination, being assembled in an automobile Roof face;Wherein for the base by being provided with a hollow out at center, a metal pedestal is assembled in the hollow part;
    One signal gain circuit board, is configured on the base, and at least a portion is positioned at the top of the metal pedestal, and the signal The earth terminal of gain circuitry plate is electrically connected with the metal pedestal;Wherein the signal output part of the signal gain circuit board is by an electricity Cable is electrically connected to the radio devices in the automobile;And
    One antenna substrate, vertically stands on the base, is printed with patterned antenna circuit thereon, is electrically connected to the signal gain Circuit board;Wherein be configured with a metal clips at the top of the antenna substrate, can the antenna house in electrical contact, turning into the antenna house should The extension of antenna traces, form the multiband radio antenna of an amplitude modulation, frequency modulation and digital broadcasting.
  2. 2. multiband seat radio antenna as claimed in claim 1, it is characterised in that the interior sidewall surface of the shell is provided with extremely A few stud, and the antenna house is provided with an at least screw, to should stud, an at least screw is locked on the stud through the screw On, the antenna house is fixed on the shell inside front.
  3. 3. multiband seat radio antenna as claimed in claim 1, it is characterised in that the metal pedestal is a metal plate-like, And the metal pedestal has a cable fairlead, the downward one sealed cylinder of projection in bottom surface of the metal pedestal, have on the sealed cylinder One screw, a screw is can be taken by by base assembling locking in the roof face, the cable fairlead allows the cable to draw, through this Roof face extends to the automotive interior.
  4. 4. multiband seat radio antenna as claimed in claim 3, it is characterised in that the lateral border of the base and downside More coat the waterproof cushion of a quality of rubber materials.
  5. 5. multiband seat radio antenna as claimed in claim 1, it is characterised in that the signal gain circuit board is provided with One metal connected slot, and the bottom of the antenna substrate is provided with a sheet metal, is electrically connected with the antenna traces, the sheet metal is outside Extension, it can correspond to and insert in the metal connected slot, the antenna traces is electrically connected to the signal gain circuit board.
  6. 6. multiband seat radio antenna as claimed in claim 1, it is characterised in that the base is further provided with least one Frame, the bottom of the antenna substrate are correspondingly provided with an at least screw, the antenna substrate can be locked on into the branch by an at least screw On frame.
  7. 7. multiband seat radio antenna as claimed in claim 1, it is characterised in that the antenna house is fixed in ㄇ fonts Top on the inside of the shell, the metal clips of the antenna substrate are electrically connected with the antenna traces, and positioned at the antenna substrate Top extends downwardly and outwardly to the two sides of the antenna substrate, enables metal clips antenna house in electrical contact.
  8. 8. multiband seat radio antenna as claimed in claim 1, it is characterised in that the signal gain circuit board includes one AM band gains circuit and the band gain circuits of a FM/DAB Band- III.
  9. 9. the multiband seat radio antenna as described in claim 8, it is characterised in that the AM band gain circuits more wrap Include:
    One AM prime bandpass filters, are electrically connected with the antenna traces, to pass through an AM band signals;
    One AM gain amplifiers, the AM prime bandpass filters are connected, to amplify the AM band signals;And
    One AM rear class bandpass filters, connect the AM gain amplifiers, the AM band signals after amplification are exported to this Radio devices.
  10. 10. multiband seat radio antenna as claimed in claim 8, it is characterised in that the gains of FM/DAB Band- III Circuit further includes:
    One prime bandpass filter, connects the antenna traces, to be believed by a FM band signals and the frequency bands of a DAB Band- III Number;
    One automatic gain control unit, the prime bandpass filter is connected, to receive gain signal sampling, control FM frequencies The gain ratio of band signal and the band signals of DAB Band- III;
    One first gain amplifier, connects the automatic gain control unit, to amplify the FM band signals and DAB Band- III Band signal;And
    One rear class bandpass filter, first gain amplifier is connected, to by FM band signals and DAB after amplification The band signals of Band- III are exported to the radio devices.
  11. 11. the multiband seat radio antenna as described in claim 10, it is characterised in that the automatic gain control unit Further include:
    One attenuator, it is connected between the prime bandpass filter and first gain amplifier;
    One sampler, the output end of first gain amplifier is connected to, to sample the FM band signals and the DAB Band- III band signal;
    One second gain amplifier, is connected to the sampler, to amplify the FM band signals and DAB Band- III for being sampled Band signal;
    One signal detector, the second gain signal amplifier is connected to, to detect the FM band signals and DAB after amplification Whether the output signal value of the band signals of Band- III is excessive;And
    One attenuation controller, it is connected between the signal detector and the attenuator, to detected the signal detector The pad value of the output control attenuator, with moderate control gain magnification ratio.
  12. 12. multiband seat radio antenna as claimed in claim 1, it is characterised in that the antenna substrate includes a dielectric Layer and two surface pattern antenna traces layers, the patterned antenna line layer are laid out in one group of FM antenna traces and one group of DAB The antenna traces of Band- III.
CN201720754388.3U 2017-06-27 2017-06-27 Multiband radio aerial of cars Active CN206850009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720754388.3U CN206850009U (en) 2017-06-27 2017-06-27 Multiband radio aerial of cars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720754388.3U CN206850009U (en) 2017-06-27 2017-06-27 Multiband radio aerial of cars

Publications (1)

Publication Number Publication Date
CN206850009U true CN206850009U (en) 2018-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720754388.3U Active CN206850009U (en) 2017-06-27 2017-06-27 Multiband radio aerial of cars

Country Status (1)

Country Link
CN (1) CN206850009U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321510A (en) * 2018-02-09 2018-07-24 赫思曼汽车通讯设备(上海)有限公司 A kind of antenna assembly
CN108832314A (en) * 2018-06-05 2018-11-16 浙江大学 A kind of novel low section high-gain car antenna
CN109390661A (en) * 2018-10-31 2019-02-26 广东盛路通信科技股份有限公司 A kind of car antenna
CN109524767A (en) * 2018-10-31 2019-03-26 广东盛路通信科技股份有限公司 A kind of antenna system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321510A (en) * 2018-02-09 2018-07-24 赫思曼汽车通讯设备(上海)有限公司 A kind of antenna assembly
CN108832314A (en) * 2018-06-05 2018-11-16 浙江大学 A kind of novel low section high-gain car antenna
CN109390661A (en) * 2018-10-31 2019-02-26 广东盛路通信科技股份有限公司 A kind of car antenna
CN109524767A (en) * 2018-10-31 2019-03-26 广东盛路通信科技股份有限公司 A kind of antenna system

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