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带通滤波器
产品名称/型号：
P2002 360兆宽带滤波器
P2001 350兆宽带滤波器
结构特点：
* 由镀银的6个谐振腔和12根谐振螺杆组成
* 腔内光洁平坦，体积小，结构稳定
* 采用标准高频接插件：L16型高频插座
技术特点：
* 带内幅频特性平坦
* 插入损耗小，驻波比小，带外抑制高，可靠性高
* 功率容量大，温度变形系数小
* 在工作温度范围内性能稳定可靠
产品型号与名称：
P2012 360兆宽带滤波器
P2011 350兆宽带滤波器
* 滤波器腔体是用铝材铣出，结构缜密
* 内有六个谐振腔及六根谐振柱，尺寸精密
* 腔内渡银，高Q值
* 外盖上密布32枚螺丝，密封性高
* 两端配置两枚标准高频L16接头
* 体积小，携带、安装方便
技术特点：
* 高Q值，插损、驻波比均非常小
* 结构严密，带通波形不易变形，稳定可靠
* 带内插损波动小，带外抑制良好
* 功率容量大，温度变形系数小
P2002 360MHz wide-Band Filter
P2001 350MHz wide-Band Filter
* Consisted of 6 resonant chambers plated with silver and 12 resonant spirals;
* The cavity adopts compact and solid design with clean and flat internal surface;
* Adopt standard high-frequency connectors: L16 type high-frequency socket.
* With flat amplitude-frequency characteristics;
* Low insertion loss, small VSWR high out-of-band injection, and high reliability;
* High power capacity, and small temperature deformation coefficient;
* Stable and reliable performance within working temperature.
P2012 360MHz Wide-band Filter
P2011 350MHz Wide-band Filter
* With compact structure, the filter cavity is milled with aluminum;
* Consisted of 6 resonant chambers and 6 resonant spirals with accurate size;
* With high Q, the internal surface of the cavity is plated with silver;
* The cover is fixed with 32 screws, achieving good sealing;
* Equipped with 11 spirals (plated with silver) for adjustment, allowing fine tuning;
* Both sides are equipped with standard high-frequency L16 connectors;
* Adopt compact design with small size, Portable, and facility to installation;
* High Q, low insertion loss and small VSWR;
* Adopt compact and solid design with stable band-pass wave which shall not be deformed easily, ensuring reliability;
* Small in-band insertion fluctuation, and good out-of-band injection;
* High power capacity and small temperature deformation coefficient.
P2100 Band-pass Duplexer
* Reliable Structure
Consisted of 2 coaxial band-pass filters;
Plated with silver, the internal of the cavity is accurate in size with high Q;
The filter adopts compact and solid design with good sealing;
Adopt double-shield -3 line as the connecting wire which has already passed strict tests;
Adopt black surface with good heat dissipation.
* Adopt standard high-frequency connectors: L16 type high-frequency socket and tee(T) coupling connector.
* Adopt standard 2U panel for fixing which makes it possible that the unit can be installed in the standard cabinet directly.
* The 2U panel can be equipped with 2 duplexers and 2 antenna amplifiers simultaneously, saving greatly the space.
* The duplexer can be separated and used as two filters if necessary.
* Low insertion loss, small VSWR and big bandwidth;
* High out-of-band injection which can be up to 80dB for 5MHz;
* The in-band frequency can be used randomly without any influence to the Rx sensitivity;
* Can be used as multi-trunk combining terminal with good duplex.
P3000 Unidirectional Isolator
* Adopt compact design with small size, Portable, and facility to installation;
* The connectors can be changed flexibly based on the actual engineering demands;
* Adopt suspended and permanent magnet synthesis with fixed direction;
* It can be combined to 2 joints or switched to 1 joint flexibly based on the actual engineering demands.
* Low insertion loss, small VSWR, and high degree of isolation;
* Can be used as both isolator and duplexer;
* Dummy load can be equipped with flexibly, allowing high-power transmission.
P4000 Directional Coupler
* Microstrip directional coupler;
* Adopt compact design with small size and light weight;
* High power capacity and small temperature deformation coefficient.
* Good directionality, and high reliability;
* Wide frequency band, and good VSWR;
* High degree of isolation, and low insertion loss.
P5004 4-route Power Divider
P5003 3-route Power Divider
P5002 2-route Power Divider
* Adopt compact design with small size, Portable, and facility to installation;
* Adopt standard high-frequency connectors: L16 type high-frequency socket;
* The cavity is solid with good seal and good heat conduction;
* Heat dissipaters of different sizes can be equipped with based on the actual engineering demands to ensure normal working.
* Wide frequency band, and high degree of isolation;
* Small VSWR, low insertion loss and good flatness;
* Adopt imported high-frequency resistors which are precisely matched, ensuring consistence of all the technical parameters;
* The 3-route power divider and 4-route power divider adopt -1.5 RF wire instead of the microstrip line, the length of which can be revised according to the actual frequency demands (the length of wire is calculated based on the frequency wavelength);
* The power dividers are widely used;
* The power divider can also be used as power combiner by simply changing the connection method.
The “unbalanced 3-route power divider” is developed exclusively by Promadio and shall be applied in the special working environment of base station (can also be applied in usual environment) for better achievement of the engineering target.
Apart from all above-mentioned features, the unbalanced 3-route power divider has its own structural features:
* The microstrip circuit of the unbalanced power divider is made of copper plated with silver;
* The Q is even higher, allowing even higher power;
* The stand of the microstrip line is made of polyethylene, making sure that there is no influence to the technical parameters.
P6003 3-Trunking combiner
P6004 4-Trunking combiner
P6005 5-Trunking combiner
P6006 6-Trunking combiner
* Adopt compact design with small size and light weight, Portable, and facility to installation;
* Adopt solid structure, making sure that the unit shall not be easily deformed;
* Adopt copper as the material, plated with silver;
* Adopt standard high-frequency connectors: L16 type high-frequency socket, facility to engineering installation;
* The combiner ports can be increased or decreased flexibly based on the actual engineering demands;
* Reduce the use of antenna and feeder, releasing the engineering burden and saving cost.
* Low insertion loss, and small VSWR;
* As the combining multi-trunking high Q narrow-band cavity filter, its high degree of isolation, low insertion loss and small VSWR are ensured by matching the connection wires;
* More high-Q narrow-band cavity filters can be combining if there is enough frequency space;
* The inductor（matching short trunk） can be selected based on the actual engineering frequency to ensure the best performance;
* All conductor channels(short trunk) between combiner ports are all with low insertion loss and high degree of isolation.
P7030 30W
P7050 60W
P7100 100W
P7777 (accept customization)
* Built-in N Male connector;
* Adopt compact design with small size and light weight;
* With oxidation treatment, the surface is good at heat dissipation. Fine machined internally, the technical parameters of the unit are accurate.
* Accept customization.
* Accurate SMITH(R+JX), and high consistency;
* Wide working frequency band, small VSWR, and good anti pulse and anti burn-out performance;
* Can be connected to the ports of related units, doing accurate measurement.
P8200 (height: 200mm)
P8300 (height: 300mm)
* The cavity is made of red copper;
* The unit adopts solid structure, which shall not be deformed easily;
* Adopt compact design with small size, facilitating transportation.
* High Q , low insertion loss, and small VSWR;
* High degree of isolation (unidirectional isolator can be equipped with to enhance isolation);
* With flexible usage (such parameters as insertion loss, bandwidth and out-of-band injection can be adjusted based on the actual engineering demands);
* Can still be used when the frequency is ≤250kHz.
