CN203522684U - Radio frequency signal output module single-pole single-throw switch - Google Patents
Radio frequency signal output module single-pole single-throw switch Download PDFInfo
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- CN203522684U CN203522684U CN201320669031.7U CN201320669031U CN203522684U CN 203522684 U CN203522684 U CN 203522684U CN 201320669031 U CN201320669031 U CN 201320669031U CN 203522684 U CN203522684 U CN 203522684U
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- 239000003990 capacitor Substances 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
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Abstract
The utility model discloses a radio frequency signal output module single-pole single-throw switch. A PIN diode D2 is connected in parallel with a matching resistor R1; a capacitor C1 is connected with the anode of a PIN diode D1; PIN diodes D3, D4, D5 and D6 are successively connected in parallel between the cathode of the PIN diode D1 and the anode of the PIN diode D2; the cathode of the PIN diode D2 is connected with a capacitor C2; the cathode of the PIN diode D2 is also connected with one end of an inductor L2; the other end of the inductor L2 is grounded through a capacitor C3; and the other end of the inductor L2 is also connected with bias voltage input. According to the utility model, the additionally arranged parallel-connected PIN diodes employ one-series four-parallel diode distribution so as to improve the isolation of a switch circuit, an absorption design improves the impedance matching of the switch circuit, and at the same time, the radio frequency signal output module single-pole single-throw switch also has the advantages of small loss, high isolation, small standing waves, short response time, good pulse modulation effects and the like.
Description
Technical field
The utility model relates to a kind of radiofrequency signal output module single-pole single-throw switch (SPST).
Background technology
The deep development with modern communication technology that improves constantly along with people's living standard, the communication equipment of mobile communication terminal such as mobile phone, phone and so on is to miniaturization and low energy consumption development, this just requires each assembly in communication equipment to adopt Miniaturization Design, its size of controller, weight and thickness, also will reduce component count and component power consumption simultaneously as far as possible as far as possible.
Radiofrequency signal output module mainly can be realized input signal is amplified and the function such as pulse modulation, is part indispensable in radio frequency communication devices, and wherein, single-pole single-throw switch (SPST) is in order to realize radiofrequency signal output module pulse modulation function.In current microwave communication system, power switch adopts two kinds of forms conventionally: (1) adopts the PIN diode of discrete silicon materials, adopts the mode of hybrid circuit to realize, and its shortcoming is that volume is large, and operating frequency is narrow and control circuit is complicated.(2) adopt GaAs (GaAs) pseudomorphic high electron mobility transistor single-chip switching, High Electron Mobility Transistor switch has the features such as volume is little, application bandwidth, and still, the power passing through is relatively little.In addition, the shortcomings such as existing power switch also has that loss is large, isolation is undesirable, input and output standing-wave ratio is large and the switching response time is long, along with development and the people of modern communication technology are day by day harsh to communication quality requirement ground, traditional power switch can not meet the demand of actual use.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, and little, the high isolation of a kind of loss, the radiofrequency signal output module single-pole single-throw switch (SPST) that standing wave is little, the switching response time is short are provided.
The purpose of this utility model is achieved through the following technical solutions: radiofrequency signal output module single-pole single-throw switch (SPST), it comprises the capacitor C 1 of series connection successively, PIN diode D1, PIN diode D2 and capacitor C 2, on PIN diode D2, be parallel with build-out resistor R1, capacitor C 1 is connected with the positive pole of PIN diode D1, the positive pole of PIN diode D1 is also connected with one end of inductance L 1, the other end ground connection of inductance L 1, between the positive pole of the negative pole of PIN diode D1 and PIN diode D2, be parallel with successively PIN diode D3, D4, D5 and D6, PIN diode D3, D4, the negative pole of D5 and D6 is ground connection respectively, the negative pole of PIN diode D2 is connected with capacitor C 2, the negative pole of PIN diode D2 is also connected with one end of inductance L 2, the other end of inductance L 2 is by capacitor C 3 ground connection, the other end of inductance L 2 is also connected with bias voltage input.
PIN diode described in the utility model all adopts DSM8100-000.
The beneficial effects of the utility model are: the parallel connection type PIN diode of setting up, adopt a string four also formula diode distributions, improved the isolation of switching circuit, absorption design has improved the impedance matching of switching circuit, also has the features such as loss is little, isolation is high, standing wave is little, the response time is short, pulse modulation is effective simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model circuit theory schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail: as shown in Figure 1, radiofrequency signal output module single-pole single-throw switch (SPST), it comprises the capacitor C 1 of series connection successively, PIN diode D1, PIN diode D2 and capacitor C 2, on PIN diode D2, be parallel with build-out resistor R1, capacitor C 1 is connected with the positive pole of PIN diode D1, the positive pole of PIN diode D1 is also connected with one end of inductance L 1, the other end ground connection of inductance L 1, between the positive pole of the negative pole of PIN diode D1 and PIN diode D2, be parallel with successively PIN diode D3, D4, D5 and D6, PIN diode D3, D4, the negative pole of D5 and D6 is ground connection respectively, the negative pole of PIN diode D2 is connected with capacitor C 2, the negative pole of PIN diode D2 is also connected with one end of inductance L 2, the other end of inductance L 2 is by capacitor C 3 ground connection, the other end of inductance L 2 is also connected with bias voltage input.Wherein, PIN diode all adopts DSM8100-000.It is as follows that this single-pole single-throw switch (SPST) reaches technical indicator: frequency: 5.4～5.8GHz; Loss :≤1.8dB; Standing wave :≤1.5; Isolation: >=80dB; Switching time :≤30ns.
Claims (2)
1. radiofrequency signal output module single-pole single-throw switch (SPST), it is characterized in that: it comprises the capacitor C 1 of series connection successively, PIN diode D1, PIN diode D2 and capacitor C 2, on PIN diode D2, be parallel with build-out resistor R1, capacitor C 1 is connected with the positive pole of PIN diode D1, the positive pole of PIN diode D1 is also connected with one end of inductance L 1, the other end ground connection of inductance L 1, between the positive pole of the negative pole of PIN diode D1 and PIN diode D2, be parallel with successively PIN diode D3, D4, D5 and D6, PIN diode D3, D4, the negative pole of D5 and D6 is ground connection respectively, the negative pole of PIN diode D2 is connected with capacitor C 2, the negative pole of PIN diode D2 is also connected with one end of inductance L 2, the other end of inductance L 2 is by capacitor C 3 ground connection, the other end of inductance L 2 is also connected with bias voltage input.
2. radiofrequency signal output module single-pole single-throw switch (SPST) according to claim 1, is characterized in that: described PIN diode all adopts DSM8100-000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669031.7U CN203522684U (en) | 2013-10-29 | 2013-10-29 | Radio frequency signal output module single-pole single-throw switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669031.7U CN203522684U (en) | 2013-10-29 | 2013-10-29 | Radio frequency signal output module single-pole single-throw switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522684U true CN203522684U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320669031.7U Expired - Lifetime CN203522684U (en) | 2013-10-29 | 2013-10-29 | Radio frequency signal output module single-pole single-throw switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN203522684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025450A (en) * | 2016-07-10 | 2016-10-12 | 北京遥感设备研究所 | Ka-band high isolation PIN switch assembly |
-
2013
- 2013-10-29 CN CN201320669031.7U patent/CN203522684U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025450A (en) * | 2016-07-10 | 2016-10-12 | 北京遥感设备研究所 | Ka-band high isolation PIN switch assembly |
| CN106025450B (en) * | 2016-07-10 | 2019-02-19 | 北京遥感设备研究所 | A kind of Ka wave band high isolation PIN switch block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |