CN203277603U - A dielectric resonant cavity large-power frequency-hopping filter - Google Patents
A dielectric resonant cavity large-power frequency-hopping filter Download PDFInfo
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- CN203277603U CN203277603U CN 201320249977 CN201320249977U CN203277603U CN 203277603 U CN203277603 U CN 203277603U CN 201320249977 CN201320249977 CN 201320249977 CN 201320249977 U CN201320249977 U CN 201320249977U CN 203277603 U CN203277603 U CN 203277603U
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- dielectric resonant
- power frequency
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- hopping filter
- resonant cavity
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Abstract
The utility model provides a dielectric resonant cavity large-power frequency-hopping filter. The filter comprises a metallic housing, a PIN diode switch array, and a switch driving circuit. The metallic housing comprises two matching compensating inductors and at least two dielectric resonant cavities therein, wherein the two matching compensating inductors are in signal connection with a signal input end and in signal connection with a signal output, respectively. The at least two dielectric resonant cavities are connected between the two matching compensating inductors successively. The two adjacent dielectric resonant cavities are connected through a coupling window. Each dielectric resonant cavity is electrically connected with the switch driving circuit through the PIN diode switch array. The large-power frequency-hopping filter achieves coupling with the ceramic dielectric resonant cavities. Compared with a conventional metallic resonant cavity, the frequency-hopping filter has decreased cavity volume and decreased temperature drift of lower central frequency point of original ultimate temperature. Therefore, the large-power frequency-hopping filter has a good temperature drift characteristic and the stability of the large-power frequency-hopping filter is enhanced.
Description
Technical field
The utility model relates to the electronic communication field, more particularly, relates to a kind of high power frequency hopping filter.
Background technology
Frequency hopping is a kind of spread spectrum with high noise immunity, high resistance interception capability.Fast development along with microelectronics and Digital Signal Processing, it is not only showed one's capabilities in military communication, the modern war electronic countermeasures that proposes and the requirement of opposing to resist have been satisfied preferably, and also show good application prospect in commercial communication, and use suitable centre frequency can follow the tracks of fast the antijamming capability that tuning frequency hopping band pass filter can obviously improve system in wireless frequency hopping communication system.
Bounce frequency filter is a kind of of alterable band-pass filter, due to its have can realize tuning fast, can reach again that insertion loss is little, isolation is high, stable performance, requirement that volume is little, can realize the advantages such as effect of good anti-interference or electronic countermeasures, therefore bounce frequency filter has broad application prospects, and is widely used in the electronic communication field.
And traditional high power frequency hopping filter is by the combination of quarter-wave a plurality of Metal cavity couplings with step switch electric capacity, thereby realizes that bounce frequency filter carries out the frequency switching rapidly under high-power.But there are two problems in traditional high power frequency hopping filter: the one, and bounce frequency filter adopts a plurality of Metal cavity couplings to make the volume and weight of bounce frequency filter excessive, is unfavorable for the bounce frequency filter miniaturization, thereby improves production cost; Another is that the center frequency point temperature drift of traditional bounce frequency filter under limiting temperature is serious, it is larger that traditional bounce frequency filter adopts a plurality of Metal cavity couplings to make resonance frequency vary with temperature, the carrier signal of bounce frequency filter all can produce drift at different temperature, thereby affects the serviceability of equipment and affect stability and the reliability of bounce frequency filter.
Therefore, developing the lightweight high power frequency hopping filter that temperature is floated, temperature drift characteristic is good that can reduce center frequency point under limiting temperature is significant in the communication technology.
The utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, provides a kind of lightweight, temperature drift characteristic is good and stable high dielectric resonant chamber high power frequency hopping filter; This high power frequency hopping filter can effectively reduce the temperature of center frequency point under limiting temperature and float when realizing miniaturization, thereby reduces the production cost of bounce frequency filter and improve the reliability of its work.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of dielectric resonant chamber high power frequency hopping filter, have metal shell, and it is characterized in that: comprise pin diode switch array and switch driving circuit; Comprise respectively two coupling compensating inductances and at least two dielectric resonant chambers of being connected with the signal output part signal with signal input part in described metal shell; Described at least two dielectric resonant chambers are connected in turn between two coupling compensating inductances, connect by coupling window between described adjacent two dielectric resonant chambers; Each described dielectric resonant chamber all is electrically connected to switch driving circuit by the pin diode switch array.
In technique scheme, high power frequency hopping filter of the present utility model adopts dielectric resonant chamber to be coupled, can dwindle the cavity volume of bounce frequency filter, having reduced simultaneously the temperature of center frequency point under original limiting temperature floats, make the temperature drift characteristic of high power frequency hopping filter good, thereby improve the stability of high power frequency hopping filter.
More particularly, the junction of described dielectric resonant chamber and metal shell is provided with silver coating.But the electric conductivity between amplified medium resonant cavity and metal shell.
Described dielectric resonant chamber is the ceramic dielectric resonant cavity.Use ceramic dielectric can greatly reduce the loss of cavity self as resonant cavity, improve the properties of bounce frequency filter.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, high power frequency hopping filter of the present utility model adopts the resonant cavity of a plurality of ceramic dielectrics to be coupled, for using traditional Metal cavity, the cavity partial volume that can realize bounce frequency filter narrow down to original 1/2nd or below, make the high power frequency hopping filter miniaturization, use very light.
2, high power frequency hopping filter of the present utility model adopts the resonant cavity of a plurality of ceramic dielectrics to be coupled, having reduced the temperature of center frequency point under original limiting temperature floats, make the temperature drift characteristic of high power frequency hopping filter good, thereby improve the stability of high power frequency hopping filter.
Description of drawings
Fig. 1 is the internal structure schematic diagram of the utility model dielectric resonant chamber high power frequency hopping filter.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment one
The present embodiment has two ceramic dielectric resonant cavitys to describe following as example take bounce frequency filter.
The utility model dielectric resonant chamber high power frequency hopping filter has a metal shell, its inner structural representation as shown in Figure 1, this high power frequency hopping filter comprises pin diode switch array 1 and switch driving circuit 2; Comprise respectively the coupling compensating inductance 1 and the coupling compensating inductance 24 that are connected with signal output part RFOUT signal with signal input part RFIN in metal shell, and two ceramic dielectric resonant cavitys.Wherein, ceramic dielectric resonant cavity 1 and ceramic dielectric resonant cavity 26 are connected in turn between coupling compensating inductance 1 and coupling compensating inductance 24, connect by coupling window 7 between ceramic dielectric resonant cavity 1 and ceramic dielectric resonant cavity 26.By shown in Figure 1, ceramic dielectric resonant cavity 1 and ceramic dielectric resonant cavity 26 all are electrically connected to switch driving circuit 2 by pin diode switch array 1.
In order to strengthen the electric conductivity between ceramic dielectric resonant cavity and metal shell, be provided with silver coating in the junction of ceramic dielectric resonant cavity 1 and ceramic dielectric resonant cavity 26 and metal shell.
High power frequency hopping filter of the present utility model adopts the ceramic dielectric resonant cavity to be coupled, for using traditional Metal cavity, can dwindle the cavity volume of bounce frequency filter, having reduced simultaneously the temperature of center frequency point under original limiting temperature floats, make the temperature drift characteristic of high power frequency hopping filter good, thereby improve the stability of high power frequency hopping filter.
Embodiment two
The present embodiment and embodiment one difference only are that this high power frequency hopping filter adopts a plurality of ceramic dielectric resonant cavitys to be coupled.Be connected with a plurality of ceramic dielectric resonant cavitys between two coupling compensating inductances, wherein, connect by coupling window between adjacent two ceramic dielectric resonant cavitys; And each ceramic dielectric resonant cavity all is electrically connected to switch driving circuit by the pin diode switch array.Other structures of the present embodiment are consistent with embodiment one.
Above-described embodiment is the better execution mode of the utility model; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection range of the present utility model.
Claims (3)
1. a dielectric resonant chamber high power frequency hopping filter, have metal shell, it is characterized in that: comprise pin diode switch array and switch driving circuit; Comprise respectively two coupling compensating inductances and at least two dielectric resonant chambers of being connected with the signal output part signal with signal input part in described metal shell; Described at least two dielectric resonant chambers are connected in turn between two coupling compensating inductances, connect by coupling window between adjacent two described dielectric resonant chambers; Each described dielectric resonant chamber all is electrically connected to switch driving circuit by the pin diode switch array.
2. dielectric resonant chamber high power frequency hopping filter according to claim 1, it is characterized in that: the junction of described dielectric resonant chamber and metal shell is provided with silver coating.
3. dielectric resonant chamber high power frequency hopping filter according to claim 2, it is characterized in that: described dielectric resonant chamber is the ceramic dielectric resonant cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320249977 CN203277603U (en) | 2013-05-09 | 2013-05-09 | A dielectric resonant cavity large-power frequency-hopping filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320249977 CN203277603U (en) | 2013-05-09 | 2013-05-09 | A dielectric resonant cavity large-power frequency-hopping filter |
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| CN203277603U true CN203277603U (en) | 2013-11-06 |
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| CN 201320249977 Expired - Lifetime CN203277603U (en) | 2013-05-09 | 2013-05-09 | A dielectric resonant cavity large-power frequency-hopping filter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417939A (en) * | 2018-03-16 | 2018-08-17 | 成都众宜天成科技有限公司 | A kind of highly conductive integrated low-pass filter |
| CN111884614A (en) * | 2020-08-24 | 2020-11-03 | 武汉博畅通信设备有限责任公司 | 108-plus 270MHz frequency hopping filter |
| CN113285193A (en) * | 2021-04-20 | 2021-08-20 | 武汉德威斯电子技术有限公司 | Zero-point adjustable frequency hopping filter |
| CN114374069A (en) * | 2021-12-31 | 2022-04-19 | 天津大学 | Frequency hopping filter using dielectric coaxial resonator |
-
2013
- 2013-05-09 CN CN 201320249977 patent/CN203277603U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417939A (en) * | 2018-03-16 | 2018-08-17 | 成都众宜天成科技有限公司 | A kind of highly conductive integrated low-pass filter |
| CN111884614A (en) * | 2020-08-24 | 2020-11-03 | 武汉博畅通信设备有限责任公司 | 108-plus 270MHz frequency hopping filter |
| CN113285193A (en) * | 2021-04-20 | 2021-08-20 | 武汉德威斯电子技术有限公司 | Zero-point adjustable frequency hopping filter |
| CN114374069A (en) * | 2021-12-31 | 2022-04-19 | 天津大学 | Frequency hopping filter using dielectric coaxial resonator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528000, No. five building, No. 4 industrial village, hi tech Industrial Development Zone, Port Road, Chancheng District, Guangdong, Foshan Patentee after: Guangdong quanpu Technology Co.,Ltd. Address before: 528000, No. five building, No. 4 industrial village, hi tech Industrial Development Zone, Port Road, Chancheng District, Guangdong, Foshan Patentee before: GUANGDONG KUANPU TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |