CN205301443U - Adjustable amplification coefficient's high frequency radio frequency test amplifier - Google Patents
Adjustable amplification coefficient's high frequency radio frequency test amplifier Download PDFInfo
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- CN205301443U CN205301443U CN201620039936.XU CN201620039936U CN205301443U CN 205301443 U CN205301443 U CN 205301443U CN 201620039936 U CN201620039936 U CN 201620039936U CN 205301443 U CN205301443 U CN 205301443U
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- radio frequency
- amplifying unit
- amplification coefficient
- interface
- attenuator
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Abstract
The utility model particularly relates to an adjustable amplification coefficient's high frequency radio frequency test amplifier, including shell, control interface, power source, the control unit, power module, amplifying unit, attenuator, radio frequency input port and radio frequency output port, control interface is used for being connected with control terminal on the one hand, and on the other hand and the control unit are connected, power source is used for being connected with external AC power supplies on the one hand, and on the other hand and power module are connected, and the control unit is connected with the amplifying unit, and the amplifying unit is adjustable amplification coefficient's amplifying unit, and the amplifying unit is connected with the attenuator, radio frequency input port and radio frequency output port all fix in the outside of shell, and radio frequency input port is connected with the amplifying unit, and the attenuator is connected with radio frequency output port. Compared with the prior art, the utility model discloses a can adjust amplification coefficient's amplifying unit, back is being connected through control interface and control terminal, can pass through control terminal and adjust amplification coefficient, application scope is wider.
Description
Technical field
This utility model relates to high-frequency test apparatus field, particularly relates to the high-frequency radio frequency test amplifier of a kind of adjustable amplification coefficient.
Background technology
Preamplifier is high frequency radiation test (establishing criteria CISPR16-1-4:2005; CISPR16-2-3:2003) one of key equipment, for radiation test within the scope of 1GHz-26.5GHz, it is necessary to use high-frequency preamplifier, the reliability of guarantee radiation test data.
Amplifier of the prior art is all fixing amplification coefficient, when being applied to different place or environment, handling poor, it is impossible to meeting test environment requirement, therefore the scope of application is narrower.
Utility model content
The purpose of this utility model is in that to provide a kind of adjustable amplification coefficient, to improve the high-frequency radio frequency test amplifier of the scope of application.
For achieving the above object, this utility model provides the high-frequency radio frequency test amplifier of a kind of adjustable amplification coefficient, including shell, controls interface, power interface, control unit, power module, amplifying unit, attenuator, rf inputs mouth and radio frequency output port; Described control interface is fixed on the outside of shell, and described control interface for being connected with control terminal, is connected with control unit on the one hand on the other hand; Described power interface is fixed on the outside of shell, and described power interface, on the one hand for being connected with external AC power supplies, is connected with power module on the other hand; Described control unit, amplifying unit and attenuator are installed in enclosure, and described control unit is connected with amplifying unit, and described amplifying unit is the amplifying unit of adjustable amplification coefficient, and described amplifying unit is connected with attenuator; Described rf inputs mouth and radio frequency output port are each attached to the outside of shell, and described rf inputs mouth is connected with amplifying unit, and described attenuator is connected with radio frequency output port.
Preferably, described rf inputs mouth is BNC radio frequency input adapter, and described radio frequency output port is BNC radio frequency out splice going splice.
Preferably, described control interface is USB interface, and described USB interface is connected with controlling computer.
Preferably, described shell being provided with multiple switch that controls, the plurality of switch that controls is electrically connected with power module and control unit respectively.
The beneficial effects of the utility model are: the high-frequency radio frequency test amplifier of the adjustable amplification coefficient that this utility model provides, have employed the amplifying unit that can adjust amplification coefficient, after being connected with control terminal by control interface, can pass through to control terminal and adjust amplification coefficient, can realize in 1GHz-26.5GHz frequency range, it is achieved 25dBm; 35dBm; Three kinds of different enlarging functions of 45dBm, meet varying environment high frequency radiation test request, and the scope of application is wider.
Accompanying drawing explanation
The structure chart of the high-frequency radio frequency test amplifier of the adjustable amplification coefficient that Fig. 1 provides for this utility model.
Main element symbol description is as follows:
11, shell 12, control interface
13, power interface 14, control unit
15, power module 16, amplifying unit
17, attenuator 18, rf inputs mouth
19, radio frequency output port.
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with accompanying drawing, the present invention is further described.
Consult Fig. 1, the high-frequency radio frequency test amplifier of the adjustable amplification coefficient that this utility model provides, including shell 11, controls interface 12, power interface 13, control unit 14, power module 15, amplifying unit 16, attenuator 17, rf inputs mouth 18 and radio frequency output port 19; Control interface 12 and be fixed on the outside of shell 11, control interface 12 1 aspect for being connected with control terminal, be connected with control unit 14 on the other hand; Power interface 13 is fixed on the outside of shell 11, and power interface 13 1 aspect, for being connected with external AC power supplies, is connected with power module 15 on the other hand; It is internal that control unit 14, amplifying unit 16 and attenuator 17 are installed in shell 11, and control unit 14 is connected with amplifying unit 16, and amplifying unit 16 is the amplifying unit 16 of adjustable amplification coefficient, and amplifying unit 16 is connected with attenuator 17; Rf inputs mouth 18 and radio frequency output port 19 are each attached to the outside of shell 11, and rf inputs mouth 18 is connected with amplifying unit 16, and attenuator 17 is connected with radio frequency output port 19.
Compared to prior art, the high-frequency radio frequency test amplifier of the adjustable amplification coefficient that this utility model provides, have employed the amplifying unit 16 that can adjust amplification coefficient, after being connected with control terminal by control interface 12, can pass through to control terminal and adjust amplification coefficient, can realize in 1GHz-26.5GHz frequency range, it is achieved 25dBm; 35dBm; Three kinds of different enlarging functions of 45dBm, meet varying environment high frequency radiation test request, and the scope of application is wider.
In the present embodiment, rf inputs mouth 18 is BNC radio frequency input adapter, and radio frequency output port 19 is BNC radio frequency out splice going splice.
BNC connector, is a kind of adapter for coaxial cable, and full name is BayonetNutConnector(snap-fit adapter, and this title has vividly described this joints), it is also called BritishNavalConnector.
It is simple that BNC connector has connection, the advantage of stable signal transmission. Certainly, this is only a specific embodiment of the present utility model, and the concrete structure of rf inputs mouth 18 of the present utility model and radio frequency output port 19 is not limited thereto, it is possible to for other union joints.
In the present embodiment, controlling interface 12 is USB interface, and control terminal is computer, and USB interface is connected with computer. The versatility of USB interface is good, and computer also can be substituted by other intelligent terminals.
In the present embodiment, shell 11 being provided with multiple switch that controls, multiple switches that control are electrically connected with power module 15 and control unit 14 respectively. Control switch and both can be alternatively touch screen form for button.
These are only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from this utility model know-why; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (4)
1. the high-frequency radio frequency test amplifier of an adjustable amplification coefficient, it is characterised in that include shell, control interface, power interface, control unit, power module, amplifying unit, attenuator, rf inputs mouth and radio frequency output port; Described control interface is fixed on the outside of shell, and described control interface for being connected with control terminal, is connected with control unit on the one hand on the other hand; Described power interface is fixed on the outside of shell, and described power interface, on the one hand for being connected with external AC power supplies, is connected with power module on the other hand; Described control unit, amplifying unit and attenuator are installed in enclosure, and described control unit is connected with amplifying unit, and described amplifying unit is the amplifying unit of adjustable amplification coefficient, and described amplifying unit is connected with attenuator; Described rf inputs mouth and radio frequency output port are each attached to the outside of shell, and described rf inputs mouth is connected with amplifying unit, and described attenuator is connected with radio frequency output port.
2. the high-frequency radio frequency test amplifier of adjustable amplification coefficient according to claim 1, it is characterised in that described rf inputs mouth is BNC radio frequency input adapter, described radio frequency output port is BNC radio frequency out splice going splice.
3. the high-frequency radio frequency test amplifier of adjustable amplification coefficient according to claim 1, it is characterised in that described control interface is USB interface, described control terminal is computer, and described USB interface is connected with computer.
4. the high-frequency radio frequency test amplifier of adjustable amplification coefficient according to claim 1, it is characterised in that being provided with multiple switch that controls on described shell, the plurality of switch that controls is electrically connected with power module and control unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039936.XU CN205301443U (en) | 2016-01-15 | 2016-01-15 | Adjustable amplification coefficient's high frequency radio frequency test amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039936.XU CN205301443U (en) | 2016-01-15 | 2016-01-15 | Adjustable amplification coefficient's high frequency radio frequency test amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205301443U true CN205301443U (en) | 2016-06-08 |
Family
ID=56427629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620039936.XU Active CN205301443U (en) | 2016-01-15 | 2016-01-15 | Adjustable amplification coefficient's high frequency radio frequency test amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205301443U (en) |
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2016
- 2016-01-15 CN CN201620039936.XU patent/CN205301443U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |