CN2548275Y - S wave-band switch module - Google Patents
S wave-band switch module Download PDFInfo
- Publication number
- CN2548275Y CN2548275Y CN 02221572 CN02221572U CN2548275Y CN 2548275 Y CN2548275 Y CN 2548275Y CN 02221572 CN02221572 CN 02221572 CN 02221572 U CN02221572 U CN 02221572U CN 2548275 Y CN2548275 Y CN 2548275Y
- Authority
- CN
- China
- Prior art keywords
- switch
- control port
- phase shifter
- port
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model relates to a S-band switching module, a phase shifter (2) is arranged between the double-throw switch (1) and the three-throw switch (3). The two ends of the switch (1) are a RF input port and a control port (J#-1, E#-1), (J#-3, E#-2) respectively, two ends of the switch (3) are a RF output port and a control port (J#-3, E#-3), (J#-4, E#-4) respectively, the other end is a control port (E#-5) and a load (R#-10). The control port (E#-6) of the phase shifter (2) is connected with the switch (1), the control port (E#-9) is connected with the switch (2), and the control port (E #-7) is connected with the control port (E #-8) through a capacitor (C#-16). Series-parallel diodes are arranged between the control ports (E#-6, E#-7) and (E#-8, E#-9).
Description
Technical field:
The utility model is relevant with S-band PIN pipe digital phase shifter.
Background technology:
Existing S-band PIN pipe digital phase shifter adopts load line and 3dB branch line bridge design more, and its shortcoming is that phase shifting accuracy is not high, and root-mean-square error is generally 3 °; Standing-wave ratio is bigger, and level is VSWR＜1.5 usually; The drive current people of PIN pipe, as the common 50mA/ of 2K4 drive current only, because every radar needs hundreds thousand of pipes, the manufacturing cost of radar power supply is higher like this, and the corresponding decline of reliability.Phase place, standing wave, insertion loss and zero amplitude, phase equalization etc. mutually are difficult to reach the requirement on the engineering in the existing S-band PIN pipe digital phase shifter frequency band.
The content of utility model:
The purpose of this utility model provides that a kind of volume is little, in light weight, power consumption is little, phase shifting accuracy is high, inserts integrated S-band PIN two utmost point switch modules that loss is little, standing-wave ratio is little, switching speed is fast, reliability is high.
The utility model is achieved in that
The utility model S-band switch module is connected with 4-digit number phase shifter (2) between single-pole double-throw switch (SPDT) (1) and three throw switches (3), and switch (1) is by diode in series (D
1, D
2, D
3, D
4) form, its two ends are respectively rf inputs mouth and control port (J
1, E
1), (J
2, E
2), the diode (D that switch (3) is connected by triangle
13, D
14, D
15, D
16, D
25, D
26) form, its two end is respectively radio-frequency (RF) output end mouth and control port (J
3, E
3), (J
4, E
4), the other end is control port (E
5) and load (R
10), the control port (E of phase shifter (2)
6) be connected control port (E with switch (1)
9) be connected control port (E with switch (2)
7) by electric capacity (C
6) and control port (E
8) connect.Control port (E
6, E
7) and (E
8, E
9) control port (E of phase shifter (2)
6) be connected in diode (D
2, D
3), between, control port (F
9) with the diode (D of switch (3)
13, D
14, D
15, D
16, D
25, D
26) the triangle link connect.Between for the series connection one diode connected in parallel.
Control port (the E of the utility model phase shifter (2)
6) be connected in diode (D
2, D
3) between, control port (E
9) with the diode (D of switch (3)
13, D
14, D
15, D
16, D
25, D
26) the triangle link connect.
The utility model two control end (E
1) input-5V voltage pole pipe (D
1, D
2) get through, this moment control end (E
2) input+5V voltage, diode (D
3, D
4) end, signal is from J
1Port transmission is to phase shifter (2), the control end (E of phase shifter
6, E
7, E
8, E
9) when adding positive voltage, signal transmits from reference arm, when adding negative voltage, signal is from the transmission of phase shift road, and signal is transferred on the switch (3) through phase shifter (2), control end (E
4) input-5V voltage, diode (D
13, D
14) get through, this moment control end (E
3, E
5) input+5V voltage, diode (D
15, D
16, D
25, D
26) end, signal is to output port J
4
The utility model is as control end (E
5) input-5V voltage, control end (E
3, E
4) input+5V voltage, signal directly is transferred to load (R
10) on be absorbed.
The utility model volume is little, and is in light weight, and power consumption is little, and the phase shifting accuracy height, to insert loss little, and standing-wave ratio is little, and switching speed is fast, the reliability height.
The main electric parameters of module is as follows in the utility model:
(I) operating frequency: 3.1～3.4GHz
(II) phase shift figure place: 11.25 °, 22.5 °, 45 °, 90 °
(III) voltage standing wave ratio:＜1.35
(IV) insert loss:＜3.0dB (J
1-J
4)＜3.5dB (J
2-J
3)
(V) Insertion Loss flatness:＜0.4dB (in the frequency band)＜0.4dB (16 kinds of states are with following the tracks of frequently)
(VI) phase shifting accuracy:＜± 2 °
(VII) switch isolation degree:＞25dB
(VIII) anti-power:＞1W (300 μ s pulsewidths, 10% duty ratio)
Description of drawings:
Fig. 1 utility model block diagram
The circuit theory diagrams of Fig. 2 utility model
The front view of Fig. 3 utility model
The vertical view of Fig. 4 utility model
The left view of Fig. 5 utility model
Embodiment:
The S-band switch module is by a hilted broadsword throw switch (1), and a 4-digit number phase shifter (2) and a hilted broadsword throw switch (3) are formed.Whole module sealing is at 68 * a 40 * 10mm
3Module housing in, the rf inputs mouth is J
1, J
2, the radio-frequency (RF) output end mouth is J3, J4, wherein J
1-J
4Be receiving branch, J
2-J
3Be transmitting branch.The DC control port is E
1-E
9, E wherein
1-E
4Control single-pole double-throw switch (SPDT) (1), E
3-E
5Control SP3T switch (3), E
6-E
9Control 4-digit number phase shifter (2).
Phase shifter adopts the switching line principle to realize, switch adopts cascaded structure to realize.Signal is at receiving branch J
1-J
4During transmission, DC control end E
1Input-5V voltage, D
1, D
2Get through, at this moment DC control end E
2Input+5V voltage, D
3, D
4End, signal is from J
1Port is transferred on the phase shifter (2) by single-pole double-throw switch (SPDT) (1).The DC control port E of control phase shifter
6, E
7, E
8, E
9, can import respectively ± 5V voltage, when adding positive electricity, signal transmits from reference arm, and when adding negative voltage, signal is from the transmission of phase shift road, for example E
6Control end adds+5V voltage, D
5, D
6Get through D
17, D
18End, signal transmits from reference arm; E
6Control end adds-5V voltage, D
5, D
6End D
17, D
18Get through, signal reaches the purpose of phase shift from the transmission of phase shift road.E in like manner
7, E
8And E
9Also be to work like this.Signal is transferred on the SP3T switch (3) DC control end E again through phase shifter (2)
4During input-5V voltage, D
18, D
14Get through, at this moment DC control end E
3, E
5Input+5V voltage, D
15, D
16, D
25, D
26End, signal is transferred to output port J from phase shifter (2) by SP3T switch (3)
4, signal is at transmitting branch J
2-J
3During transmission, E
1Port input+5V voltage, E
2Port input-5V voltage, signal is from J
2Input is transferred on the phase shifter (2) through single-pole double-throw switch (SPDT) (2).Phase shifter (2) is pressed the work of receiving branch transmission manner equally, when signal is gone up from phase shifter (2) to SP3T switch (3), and E
3Input-5V voltage, E
4, E
5Input+5V voltage, signal is transferred to output port J from phase shifter (2) through SP3T switch (3)
3No matter signal is from J
1Input, or J
2Input, if when radar is in the monitoring state, E
5Input-5V voltage, E
3, E
4Input+5V voltage, signal directly are transferred to negative R
10Be absorbed on carrying.
The utility model is selected the RT/dusoid5880 circuit material for use, make circuit substrate by technologies such as photoetching, burn into plating, treated circuit substrate uses the solder sintering in module housing, chip such as PIN diode, mos capacitance carries out secondary by technologies such as bonding die, bondings on circuit substrate integrated, reaches desired index through debugging and screening.
Claims (1)
1, S-band switch module is characterized in that being connected with 4-digit number phase shifter (2) between single-pole double-throw switch (SPDT) (1) and three throw switches (3), and switch (1) is by diode in series (D
1, D
2, D
3, D
4) form, its two ends are respectively rf inputs mouth and control port (J
1, E
1), (J
2, E
2), the diode (D that switch (3) is connected by triangle
13, D
14, D
15, D
16, D
25, D
26) form, its two end is respectively radio-frequency (RF) output end mouth and control port (J
3, E
3), (J
4, E
4), the other end is control port (E
5) and load (R
10), the control port (E of phase shifter (2)
6) be connected control port (E with switch (1)
9) be connected control port (E with switch (2)
7) by electric capacity (C
6) and control port (E
8) connect control port (E
6, E
7) and (E
8, E
9) between for the series connection one diode connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02221572 CN2548275Y (en) | 2002-02-08 | 2002-02-08 | S wave-band switch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02221572 CN2548275Y (en) | 2002-02-08 | 2002-02-08 | S wave-band switch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2548275Y true CN2548275Y (en) | 2003-04-30 |
Family
ID=33699651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02221572 Expired - Lifetime CN2548275Y (en) | 2002-02-08 | 2002-02-08 | S wave-band switch module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2548275Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106470026A (en) * | 2015-08-18 | 2017-03-01 | 中兴通讯股份有限公司 | A kind of radio-frequency switch circuit and radio frequency link |
| CN109560796A (en) * | 2018-11-30 | 2019-04-02 | 中国电子科技集团公司第五十四研究所 | A kind of absorption one point of six switch of high-isolation |
| CN112688652A (en) * | 2020-12-22 | 2021-04-20 | 成都美数科技有限公司 | Numerical control 0-pi phase shifter |
-
2002
- 2002-02-08 CN CN 02221572 patent/CN2548275Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106470026A (en) * | 2015-08-18 | 2017-03-01 | 中兴通讯股份有限公司 | A kind of radio-frequency switch circuit and radio frequency link |
| CN109560796A (en) * | 2018-11-30 | 2019-04-02 | 中国电子科技集团公司第五十四研究所 | A kind of absorption one point of six switch of high-isolation |
| CN112688652A (en) * | 2020-12-22 | 2021-04-20 | 成都美数科技有限公司 | Numerical control 0-pi phase shifter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120208 Granted publication date: 20030430 |