CN109802666B - Multifunctional PIN radio frequency switch circuit and multiple-input multiple-output switch circuit - Google Patents
Multifunctional PIN radio frequency switch circuit and multiple-input multiple-output switch circuit Download PDFInfo
- Publication number
- CN109802666B CN109802666B CN201910073916.2A CN201910073916A CN109802666B CN 109802666 B CN109802666 B CN 109802666B CN 201910073916 A CN201910073916 A CN 201910073916A CN 109802666 B CN109802666 B CN 109802666B
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- circuit
- ports
- port
- microstrip line
- 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.)
- Active
Links
Images
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention relates to a multifunctional PIN radio frequency switch circuit and a multiple-input multiple-output switch circuit. The multifunctional PIN radio frequency switch circuit comprises: the multifunctional PIN radio frequency switch circuit further comprises a controller arranged on each microstrip line in the first microstrip line and the second microstrip line, so that the switch circuit can control whether radio frequency signals pass through in a mode of multiple single-transmission or multiple-reception. The multifunctional PIN radio frequency switch circuit has various working configurations, and can solve the problem of the mode of single-way emission and single-way reception of the traditional PIN switch; meanwhile, the PIN radio frequency switch circuit is positioned on the same side in a receiving and transmitting way, so that the technical problem that the traditional PIN switch is positioned on different sides in receiving and transmitting way can be solved, and the space layout of a receiving and transmitting system is facilitated; in addition, the longitudinal dimension can be adjusted by adjusting the included angle of the microstrip line, so that the microstrip line can be suitable for different space occasion demands.
Description
Technical Field
The invention relates to a multifunctional PIN radio frequency switch circuit and a multiple-input multiple-output switch circuit, in particular to a multifunctional PIN radio frequency switch circuit which can be suitable for different space occasion demands and a switch circuit capable of realizing multiple input multiple-output.
Background
The radio frequency switch is a radio frequency control device connected with the power amplifier output port, the antenna port and the receiving input port of the transmitting module, and is widely used in control circuits such as modulators, phase shifters, limiters and the like in communication, radar and electronic countermeasure systems. High performance, miniaturized radio frequency switches are in strong demand in the fields of electronic reconnaissance, countermeasure and multibeam radar, phased array radar, etc. Therefore, the research on the high-performance and miniaturized radio frequency switch has practical engineering significance.
The PIN radio frequency switch is a common radio frequency circuit, which controls the polarity of control voltage loaded on the anode of the PIN diode to control the on and off of the diode, and simultaneously cooperates with a 1/4 wavelength microstrip line to realize the passing or not of radio frequency signals. The radio frequency PIN switch has the characteristics of high controllable power, small loss, high switching speed, low cost and the like, and is widely applied to radio frequency systems.
Specifically, the existing PIN radio frequency switch (see the following documents: wu Rufei, yin Junjian, liu Huidong, zhang Haiying.8-20 GHz GaAs PIN diode monolithic single-pole double-throw switch [ J ]. Semiconductor school report.2008 (29): 1864-1867; xia Licheng, wu Guoan, the remainder is strong, PIN switching speed simulation [ J ]. Modern electronic technology [ 2011 (34): 130-132.; yin Shuai. High-power radio frequency switch based on PIN tube development [ J ]. Computer and digital engineering [ 2012 (3): 121-123 ]) is mainly 3 ports, one port is connected with an antenna, and the other two ports are respectively connected with a PIN diode in parallel after passing through 1/4 wavelength microstrip lines and then are respectively connected to a transmitting circuit end and a receiving circuit end. The whole PIN radio frequency switch consists of two sections of 1/4 wavelength microstrip lines and two PIN diodes, the working mode is single-pole double-throw, most of the PIN radio frequency switch is single-way transmitting and single-way receiving, the receiving and the transmitting can not work simultaneously, and the multi-transmission and multi-receiving can not be realized; meanwhile, the receiving and transmitting ports are respectively positioned at two sides of the switch, and the size of the receiving and transmitting ports in the direction is longer.
In summary, the conventional PIN radio frequency switch is a single-pass transmitting and receiving mode; in addition, conventional PIN radio frequency switch transceivers are located on both sides of the switch.
Disclosure of Invention
In view of the above technical problems in the prior art, the present invention provides a new solution, that is, provides a multifunctional PIN radio frequency switch circuit, which has multiple working configurations, and can solve the problems of single-path transmission and single-path reception of the traditional PIN switch; meanwhile, the PIN radio frequency switch transceiver is positioned on the same side, so that the technical problem that the conventional PIN switch transceiver is positioned on different sides can be solved, and the space layout of a transceiver system is facilitated; the longitudinal dimension can be adjusted by adjusting the included angle of the microstrip line, and the microstrip line can be suitable for different space occasion demands.
According to an aspect of the present invention, a multifunctional PIN radio frequency switching circuit is provided. The multifunctional PIN radio frequency switch circuit comprises: a first transceiving port circuit including one transceiving port, and two or more first microstrip lines connected to the transceiving port; a second transceiving port circuit comprising two or more transceiving ports, and a second microstrip line connected to each of the two or more transceiving ports; an antenna port circuit including two or more antenna ports connected with the first microstrip line and the second microstrip line such that a transceiving port of the first transceiving port circuit is connected with the two or more transceiving ports of the second transceiving port circuit, respectively; and the controller is arranged on each microstrip line in the first microstrip line and the second microstrip line, so that the multifunctional PIN radio frequency switch circuit can control whether radio frequency signals pass through or not in a mode of multiple single-shot or single-shot multiple-shot mode.
Each port in the first transceiving port circuit and the second transceiving port circuit is positioned on the same side of the multifunctional PIN radio frequency switch circuit.
The number of ports of the second transceiver port circuit is the same as the number of ports of the antenna port circuit. The number of ports of the second transceiver port circuit is two. The number of the first microstrip lines is two and is respectively connected to the two antenna ports, and the number of the second microstrip lines is two and is respectively connected to the two antenna ports, wherein a preset included angle is formed between the first microstrip lines, and a preset included angle is formed between the first microstrip lines and the second microstrip lines.
The first microstrip line is two 1/4 wavelength microstrip lines connected in series. The second microstrip line is a 1/4 wavelength microstrip line.
The controller comprises a resistor, an inductor, a first capacitor, a second capacitor, a high-resistance wire and a PIN diode, wherein a control signal is input to one end of the resistor, the other end of the resistor is connected to one end of the inductor, the other end of the inductor is respectively connected to the non-ground end of the grounded first capacitor and one end of the high-resistance wire, the other end of the high-resistance wire is respectively connected to the positive electrode of the grounded PIN diode and one end of the second capacitor, and the other end of the second capacitor is connected to each microstrip line.
In the case where the first transceiving port circuit is configured as a transmit port circuit, the second transceiving port circuit is configured as a receive port circuit, wherein radio frequency signals from the two or more ports of the antenna port circuit are received by the two or more ports of the second transceiving port circuit simultaneously or at different times, and radio frequency signals are transmitted by the ports of the first transceiving port circuit to the two or more ports of the antenna port circuit for output.
In the case where the first transceiving port circuit is configured as a receiving port circuit, the second transceiving port circuit is configured as a transmitting port circuit, wherein radio frequency signals are transmitted by the two or more ports of the second transceiving port circuit to the two or more ports of the antenna port circuit for output simultaneously or at different times, and radio frequency signals from the two or more ports of the antenna port circuit are received by the ports of the first transceiving port circuit at different times.
According to another aspect of the present invention, a multiple-input multiple-output switching circuit is provided. The multi-transmission switch circuit is combined with a plurality of the multifunctional PIN radio frequency switch circuits, and the multi-transmission switch circuit can perform multi-transmission and multi-transmission.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings (embodiments) may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram illustrating a PIN radio frequency switching circuit according to an embodiment of the present invention.
Fig. 2 is a block diagram illustrating that components of a controller of a PIN radio frequency switching circuit and microstrip lines are connected to each other according to an embodiment of the present invention.
Fig. 3 is a block diagram illustrating a PIN radio frequency switching circuit implementing a multiple-input multiple-output operating configuration in accordance with an embodiment of the present invention.
Reference numerals illustrate:
the port: 1-5,1'-5';
and (3) a controller: S1-S4, S1'-S4'
1/4 wavelength microstrip line: M1-M6
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the present invention, and that not all combinations of aspects described according to the following embodiments are necessarily required with respect to means for solving problems according to the present invention. For the sake of simplicity, the same structural parts or steps are denoted by the same reference numerals and the description thereof is omitted.
[ Structure of multifunctional PIN radio frequency switch Circuit ]
The structure of the multifunctional PIN radio frequency switching circuit will be described in detail with reference to fig. 1. As shown in fig. 1, the multifunctional PIN radio frequency switching circuit may include: a first transceiver port circuit including a transceiver port and a first microstrip line connected to the transceiver port; a second transceiving port circuit comprising two or more transceiving ports, and a second microstrip line connected to each of the two or more transceiving ports; an antenna port circuit including two or more antenna ports connected with the first microstrip line and the second microstrip line such that a transceiving port of the first transceiving port circuit is connected with the two or more transceiving ports of the second transceiving port circuit, respectively; and the controller is arranged on each microstrip line in the first microstrip line and the second microstrip line, so that the switch circuit controls whether the radio frequency signal passes or not in a mode of multi-sending single-receiving or single-sending multi-receiving.
Each port in the first receiving and transmitting port circuit and the second receiving and transmitting port circuit is positioned on the same side of the multifunctional PIN radio frequency switch circuit, so that the technical problem that the direction size of the output port of the traditional radio frequency switch is long is solved, the space layout of a receiving and transmitting system is facilitated, and the miniaturization of the system is facilitated. The number of ports of the second transceiver port circuit is the same as the number of ports of the antenna port circuit. The number of ports of the second transceiver port circuit is two. The number of the first microstrip lines is two and is respectively connected to the two antenna ports, and the number of the second microstrip lines is two and is respectively connected to the two antenna ports, wherein a preset included angle is formed between the first microstrip lines, and a preset included angle is formed between the first microstrip lines and the second microstrip lines. The longitudinal size of the PIN radio frequency switch can be adjusted by adjusting the included angle of the microstrip line, so that the PIN radio frequency switch can be suitable for the requirements of different space occasions.
The first microstrip line is two serially connected 1/4 wavelength microstrip lines, and the second microstrip line is a 1/4 wavelength microstrip line.
In addition, the multifunctional PIN radio-frequency switching circuit may further include a controller S1-S4, which may include two capacitors (the capacitors are hereinafter abbreviated as C, e.g., C1-C8), a PIN diode (the PIN diode is hereinafter abbreviated as D, e.g., D1-D4), a resistor (the resistor is hereinafter abbreviated as R, e.g., R1-R4), an inductor (the inductor is hereinafter abbreviated as L, e.g., L1-L4), and a length of high-resistance wire. The high-resistance line is a high-resistance line with a 1/4 wavelength resistance value of, for example, 100 Ω. However, the resistance value of the high-resistance wire is not limited to the above value, and the resistance value of the high-resistance wire may be set as required as long as a controller of the multifunction PIN radio frequency switch circuit can be constituted and control of the controller is achieved.
Next, referring to fig. 1, a configuration in which the number of ports of the second transceiver port circuit is two, the number of antenna ports is two, and the number of controllers is 4 is taken as an example, a multi-functional PIN radio frequency switch circuit according to an embodiment of the present invention will be described.
The multifunctional PIN radio frequency switch circuit according to the present invention is also referred to as a high power multiple operation mode PIN radio frequency switch. Specifically, as shown in fig. 1, the multifunctional PIN radio frequency switch circuit according to the present invention includes 5 ports, 6 sections of microstrip lines with a 1/4 wavelength resistance value of 50Ω, and 4 controllers (the 4 controllers are composed of 8 capacitors, 4 PIN diodes, 4 resistors, 4 inductors, and 4 sections of high-resistance lines with a 1/4 wavelength resistance value of 100deg.Ω, referring to fig. 2), and the specific structure thereof is as follows:
the port 1 is connected with a 1/4 wavelength microstrip line M1 and a 1/4 wavelength microstrip line M2 with an included angle theta, the other end of the 1/4 wavelength microstrip line M1 is connected with a controller S2, and the other end of the 1/4 wavelength microstrip line M2 is connected with a controller S3.
One end of the 1/4 wavelength microstrip line M3 is connected with the controller S2, the other end is connected with the port 5, the port 5 is also connected with the 1/4 wavelength microstrip line M6, and the included angle between the 1/4 wavelength microstrip line M6 and the 1/4 wavelength microstrip line M3 is theta; the other end of the 1/4 wavelength microstrip line M6 is connected with the port 2 and the controller S1;
one end of the 1/4 wavelength microstrip line M4 is connected with the controller S3, the other end is connected with the port 4, the port 4 is also connected with the 1/4 wavelength microstrip line M5, and the included angle between the 1/4 wavelength microstrip line M5 and the 1/4 wavelength microstrip line M4 is theta; the other end of the 1/4 wavelength microstrip line M5 is connected with the controller S4.
Here, the structure of the controller S2 will be described in detail below with reference to fig. 2 as an example.
The controller S2 is composed of a resistor R2, an inductor L2, a PIN diode D2, a capacitor C2 and a capacitor C6, a control signal is input to one end of the resistor R2, the other end of the resistor R2 is connected to one end of the inductor L2, the other end of the inductor L2 is respectively connected to the non-ground end of the grounded capacitor C6 and one end of a high-resistance wire, the other end of the high-resistance wire is connected to the positive electrode of the grounded PIN diode D2 and one end of the grounded capacitor C2, and the other end of the capacitor C2 is connected to the end part where the 1/4-wavelength microstrip lines M1 and M3 are connected.
The configuration of the controller S2 is described above as an example, and the configuration of the other controllers is the same as that of the controller S2, so a detailed description of the configuration of the other controllers is omitted.
Specifically, the end of the 1/4 wavelength microstrip line M1 and M3 connected is connected to the capacitor C2 of the controller S2, the PIN diode D2 (i.e., the end of the 1/4 wavelength microstrip line M1 and M3 connected is connected to the capacitor C2 and then to the PIN diode D2).
The end of the 1/4 wavelength microstrip line M2 and M4 connected is connected to the capacitor C3 of the controller S3, and the PIN diode D3 (i.e., the end of the 1/4 wavelength microstrip line M2 and M4 connected is connected to the capacitor C3 and then to the PIN diode D3).
Further, the structure of the controller described above is exemplary and is not intended to limit the inventive concept of the present invention. The structure of the controller is not limited thereto, and any known structure may be employed as long as control can be achieved by configuring the polarity of the voltage applied to the diode anode by ctrl_1, ctrl_2, ctrl_3, ctrl_4 so that the diode is turned on or off, thereby enabling control of the passage of the radio frequency signal between ports on each microstrip line. Next, description will be made of the operation of the PIN radio frequency switch according to the present invention in the configuration state described below (single-shot double-shot single-shot, etc. described below) by configuring the polarity of the voltage applied to the diode anode by ctrl_1, ctrl_2, ctrl_3, ctrl_4.
The arrangement of the controllers S1-S4 is described in detail below:
arrangement of the controller S1: a control signal (also called a control voltage) ctrl_1 is input to one end of a resistor R1, the other end of the resistor R1 is connected to one end of an inductor L1, the other end of the inductor L1 is respectively connected to a non-ground end of a grounded capacitor C5 and one end of a high-resistance line 1, the other end of the high-resistance line 1 is respectively connected to the positive electrode of a grounded PIN diode D1 and one end of the capacitor C1, and the other end of the capacitor C1 is connected to a 1/4 wavelength microstrip line M6;
arrangement of the controller S2: the control signal ctrl_2 is input to one end of the resistor R2, the other end of the resistor R2 is connected to one end of the inductor L2, the other end of the inductor L2 is respectively connected to the non-ground end of the grounded capacitor C6 and one end of the high-resistance wire 2, the other end of the high-resistance wire 2 is connected to the positive electrode of the grounded PIN diode D2 and one end of the capacitor C2, and the other end of the capacitor C2 is connected to the end where the 1/4 wavelength microstrip lines M1 and M3 are connected;
arrangement of the controller S3: the control signal ctrl_3 is input to one end of the resistor R3, the other end of the resistor R3 is connected to one end of the inductor L3, the other end of the inductor L3 is connected to the non-ground end of the grounded capacitor C7 and one end of the high-resistance wire 3, the other end of the high-resistance wire 3 is connected to the positive electrode of the grounded PIN diode D3 and one end of the capacitor C3, and the other end of the capacitor C3 is connected to the end where the 1/4 wavelength microstrip lines M2 and M4 are connected;
arrangement of the controller S4: the control signal ctrl_4 is input to one end of the resistor R4, and the other end of the resistor R4 is connected to one end of the inductor L4, the other end of the inductor L4 is connected to the non-ground end of the grounded capacitor C8 and one end of the high-resistance wire 1, the other end of the high-resistance wire 4 is connected to the positive electrode of the grounded PIN diode D4 and one end of the capacitor C4, and the other end of the capacitor C4 is connected to the 1/4 wavelength microstrip line M5.
Specifically, the path of the control voltage in the controller and the connection structure of the respective components of the controller are described above.
Specifically, ctrl_1, ctrl_2, ctrl_3, ctrl_4 described herein are control voltages, however, the present invention is not limited thereto, and ctrl_1, ctrl_2, ctrl_3, ctrl_4 may be any control signal other than voltages, as long as it is possible to implement the polarity of the voltage applied to the diode anode by ctrl_1, ctrl_2, ctrl_3, ctrl_4 configuration, so that the PIN radio frequency switch according to the present invention operates in the configuration state described below.
[ Single-shot double-shot ]
In the case where the first transceiving port circuit is configured as a transmitting port circuit, the second transceiving port circuit is configured as a receiving port circuit, wherein radio frequency signals from the two or more ports of the antenna port circuit (hereinafter, radio frequency signals transmitted or received by the respective ports are simply referred to as signals) are received by the two or more ports of the second transceiving port circuit simultaneously or at different times, and radio frequency signals are transmitted to the two or more ports of the antenna port circuit by the ports of the first transceiving port circuit for output.
Specifically, port 1 is configured as a transmitting port, port 2 and port 3 are configured as receiving ports, and port 4 and port 5 are antenna ports;
in this configuration the signals from port 5 may be received by port 2 and the signals from port 4 may be received by port 3 simultaneously or simultaneously, i.e. both port 2 and port 3 may receive signals simultaneously or simultaneously;
in this configuration, signals may be transmitted from port 1 to port 5 for output and from port 1 to port 4 for output.
[ double Single receipts ]
In the case where the first transceiving port circuit is configured as a receiving port circuit, the second transceiving port circuit is configured as a transmitting port circuit, wherein signals are transmitted to the two or more ports of the antenna port circuit by the two or more ports of the second transceiving port circuit for output simultaneously or at different times, and signals from the two or more ports of the antenna port circuit are received by the ports of the first transceiving port circuit at different times.
Specifically, port 1 is configured as a receiving port, ports 2 and 3 are configured as transmitting ports, and ports 4 and 5 are antenna ports;
in this configuration, signals may be transmitted simultaneously or at different times from port 2 to port 5 for output and from port 3 to port 4 for output;
in this configuration the signal from port 4 may be received by port 1 and the signal from port 5 may be received by port 1.
In conclusion, the PIN radio frequency switch circuit has the advantages of simple structure, easiness in processing and small insertion loss. The structure can be applied to the front end of the communication system in different frequency bands through scaling.
[ Structure of Multi-transmitting Multi-receiving switching Circuit for combining multifunctional PIN radio frequency switching Circuit ]
According to an embodiment of the present invention, the multi-transmit multi-receive switching circuit may comprise two or more multi-functional PIN radio frequency switching circuits as described above, which are connected in a multi-transmit manner.
[ multiple-input multiple-output ]
Thus, the PIN radio frequency switches are combined for use, and multiple-input multiple-output working configuration can be realized. Fig. 3 is a block diagram illustrating a PIN radio frequency switching circuit implementing a multiple-input multiple-output operating configuration in accordance with an embodiment of the present invention. In fig. 3, a multi-purpose and multi-purpose operating configuration is described, taking as an example the manner in which two multifunctional PIN radio frequency switching circuits are combined. In fig. 3, the same reference numerals are used to designate the same components, and the structures and functions of the ports 1', 2', 3', 4', 5' and the controllers S1', S2', S3', S4' are similar to those of the ports and controllers in fig. 1, so that the detailed structures thereof will not be repeated herein, and only the connection manner and the implemented operation configuration of the two multifunctional PIN radio frequency switch circuits will be described in detail.
Referring to fig. 3, taking two multifunctional PIN radio frequency switch combinations as an example, the port 2 of the first radio frequency switch is overlapped and interconnected with the port 3' of the second radio frequency switch to form a 9-port radio frequency switch. By configuring the control signal, it is possible to achieve simultaneous or simultaneous transmission of signals to the antenna ports (ports 4, 5, 4' and 5 ') by not less than 3 reception ports (ports 3, 2 (3 ') and 2 ') or simultaneous transmission of signals to the antenna ports (ports 4, 5, 4' and 5 ') by not less than 2 transmission ports (ports 1, 1 ').
However, the present invention is not limited thereto, and for example, the port 3 of the first rf switch and the port 2' of the second rf switch may be overlapped and interconnected to form a 9-port rf switch; three multifunctional PIN radio frequency switches may also be combined in this manner to form a 13 port radio frequency switch.
Here, the concept of the multiple-input multiple-output (e.g., dual-input three-output or three-input two-output) operation configuration implemented in fig. 3 is the same as that of the single-input multiple-output or multiple-input single-output operation configuration described above, and thus will not be described in detail herein. However, the present invention is not limited thereto, and based on this configuration, a multiple-input multiple-output (more than the transmission and reception of the multipath signals realized in fig. 3) operation configuration may be realized.
In summary, the PIN radio frequency switch circuit has various working configurations through the topological structure design of the microstrip line, and a single PIN radio frequency switch can realize the functions of double-emission single-emission double-emission. Meanwhile, multiple-input multiple-output working configuration can be realized by combining a plurality of PIN radio frequency switches. The multiple radio frequency switches for multiple transmission and multiple reception are combined, so that the technical problem that the volume and the cost are increased due to the fact that multiple radio frequency switches are needed in a multiple transmission and multiple reception communication system in the prior art is solved.
Hereinafter, specific examples are given to explain the inventive concept in detail.
Example 1
Taking an L-band PIN radio frequency switch as an example, R1, R2, R3 and R4 are 50Ω; l1, L2, L3 and L4 are 220nH; c1, C2, C3, C4 are 7.5pF; c5, C6, C7, C8 are 22pF; d1, D2, D3, D4 are PIN diodes; ctrl_1, ctrl_2, ctrl_3, ctrl_4 are control voltages, the control voltage is configured as a positive bias voltage when the PIN diode is turned on, and the control voltage is configured as a negative bias voltage when the PIN diode is turned off. 1/4 wavelength microstrip line resistance 50 omega; the length of the high-resistance wire is 1/4 wavelength, and the resistance value is 100 omega.
The ranges of the positive bias and the negative bias of the above configuration are not particularly limited as long as it can be within the voltage range to which the diode is subjected and can realize control of the passage or non-passage of the radio frequency signal. Specifically, when the control voltage is configured to be forward biased, the PIN diode is conducted, and the controller can control the radio-frequency signal not to pass through; when the control voltage is configured as a negative bias, the PIN diode is turned off and the controller is capable of controlling the passage of radio frequency signals. Regarding the range of the positive bias and the negative bias, it is preferable that the range of the positive bias is 2V to 3.7V and the range of the negative bias is-40V to-100V. Examples of positive and negative biases are given below at 3.3V and-90V, respectively.
The operation of the PIN radio frequency switching circuit of the present invention when operated in a single-shot, double-shot mode is described in the following with reference to fig. 2. When single-shot double-receiving work is carried out, the port 2 and the port 3 are configured as receiving ports, the port 1 is configured as transmitting ports, and the port 4 and the port 5 are antenna ports. In the case of single-path transmission, when both ctrl_1 and ctrl_4 are configured to be 3.3V, ctrl_2 and ctrl_3 are respectively configured to be-90V and 3.3V, a signal can be transmitted from port 1 to be output through port 5 under the configuration; in the case of single-pass transmission, when both ctrl_1 and ctrl_4 are configured to 3.3V, ctrl_2 and ctrl_3 are configured to 3.3V, -90V, respectively, a signal can be transmitted by port 1 via port 4 in this configuration. In the case of two-way reception, when ctrl_1 and ctrl_4 are both configured to-90V and ctrl_2 and ctrl_3 are both configured to 3.3V, signals may be received by ports 5 and 4 to ports 2 and 3, respectively, either simultaneously or at different times in this configuration.
When the PIN radio frequency switch circuit performs double-transmission single-reception operation, the port 2 and the port 3 are configured as transmitting ports, the port 1 is configured as receiving ports, and the port 4 and the port 5 are antenna ports. In the case of two-way transmission, when ctrl_1 and ctrl_4 are configured to be-90V and ctrl_2 and ctrl_3 are configured to be 3.3V, the signals can be transmitted from port 2 to be output through port 5 at the same time or at different times under the configuration, and the signals transmitted from port 3 to be output through port 4; in the case of single-pass reception, when ctrl_1 and ctrl_4 are configured to 3.3V, ctrl_2 and ctrl_3 are configured to-90V, 3.3V, respectively, a signal can be received by port 5 to port 1 in this configuration; in the case of single-pass reception, when ctrl_1 and ctrl_4 are configured to 3.3V, ctrl_2 and ctrl_3 are configured to 3.3V, -90V, respectively, a signal can be received by port 4 to port 1 in this configuration.
The processed actual measurement result shows that the PIN radio frequency switch has the conducting path insertion loss of about 0.6dB, the cut-off path isolation of more than 20dB and the port return loss of less than-10 dB in the range of 830MHz-1120 MHz.
Example 2
Taking an S-band PIN radio frequency switch as an example, R1, R2, R3 and R4 are 50Ω; l1, L2, L3 and L4 are 68nH; c1, C2, C3, C4 are 6.8pF; c5, C6, C7, C8 are 22pF; d1, D2, D3, D4 are PIN diodes; ctrl_1, ctrl_2, ctrl_3, ctrl_4 are control voltages, configured to be 3.3V when turned on, and configured to be-90V when turned off; 1/4 wavelength microstrip line resistance 50 omega; the length of the high-resistance wire is 1/4 wavelength, and the resistance value is 100 omega.
The single-shot double-shot operating configuration and the double-shot single-shot operating configuration of this embodiment are the same as those of embodiment 1, and the similar description is omitted for the sake of brevity.
Simulation results show that the PIN radio frequency switch is in the range of 2.3GHz-3.4GHz, the insertion loss of a conducting path is about 0.8dB, the isolation of a cut-off path is greater than 18dB, and the return loss of a port is less than-10 dB.
Furthermore, all of the above-described values are exemplary and are not intended to limit the inventive concepts of the present invention.
In summary, the invention provides a multifunctional PIN radio frequency switch circuit, which has various working configurations and can solve the problems of single-path emission and single-path reception of the traditional PIN switch; meanwhile, the PIN radio frequency switch transceiver is positioned on the same side, so that the technical problem that the conventional PIN switch transceiver is positioned on different sides can be solved, and the space layout of a transceiver system is facilitated; the longitudinal dimension can be realized by adjusting the included angle of the microstrip line, and the microstrip line can be suitable for different space occasion demands. In addition, the PIN radio frequency switch circuit has various working configurations through the topological structure design of the microstrip line, and the single PIN radio frequency switch can realize the functions of double-emission single-emission double-emission.
Although the present invention has been described above with reference to the exemplary embodiments, the above embodiments are merely for illustrating the technical concept and features of the present invention, and are not intended to limit the scope of the present invention. Any equivalent modifications or variations according to the spirit of the present invention should be included in the scope of the present invention.
Claims (12)
1. A multi-functional PIN radio frequency switching circuit, the multi-functional PIN radio frequency switching circuit comprising:
a first transceiving port circuit including one transceiving port, and two or more first microstrip lines connected to the transceiving port;
a second transceiving port circuit including two or more transceiving ports, and two or more second microstrip lines connected to the two or more transceiving ports, respectively;
an antenna port circuit including two or more antenna ports connected with the first microstrip line and the second microstrip line such that a transceiving port of the first transceiving port circuit is connected with the two or more transceiving ports of the second transceiving port circuit, respectively; and
and the controller is arranged on each microstrip line in the first microstrip line and the second microstrip line, so that the multifunctional PIN radio frequency switch circuit can control whether radio frequency signals pass through or not in a mode of multiple single-shot or single-shot multiple-shot mode.
2. The multi-function PIN radio frequency switching circuit of claim 1, wherein each of the first and second transceiver port circuits is on a same side of the multi-function PIN radio frequency switching circuit.
3. The multifunction PIN radio frequency switch circuit of claim 1, wherein the number of ports of the second transceiver port circuit is the same as the number of ports of the antenna port circuit.
4. A multi-function PIN radio frequency switch circuit according to claim 3, wherein the number of ports of the second transceiver port circuit is two.
5. The multifunction PIN radio frequency switch circuit as claimed in claim 4, wherein the number of the first microstrip lines is two and connected to the two antenna ports respectively, the number of the second microstrip lines is two and connected to the two antenna ports respectively,
the first microstrip lines form a preset included angle with the second microstrip lines.
6. The multifunction PIN radio frequency switching circuit of claim 1, wherein the first microstrip line is two serially connected 1/4 wavelength microstrip lines.
7. The multifunction PIN radio frequency switching circuit of claim 1, wherein the second microstrip line is a 1/4 wavelength microstrip line.
8. The multi-functional PIN radio-frequency switching circuit of claim 1, wherein the controller comprises a resistor, an inductor, first and second capacitors, a high-resistance wire, a PIN diode,
the control signal is input to one end of the resistor, the other end of the resistor is connected to one end of the inductor, the other end of the inductor is respectively connected to the non-ground end of the grounded first capacitor and one end of the high-resistance wire, the other end of the high-resistance wire is respectively connected to the positive electrode of the grounded PIN diode and one end of the second capacitor, and the other end of the second capacitor is connected to each microstrip line.
9. The multifunction PIN radio frequency switching circuit of claim 8, wherein the high resistance wire is a 1/4 wavelength resistance 100 Ω high resistance wire.
10. The multi-function PIN radio frequency switch circuit of claim 1, wherein, in the case where the first transceiver port circuit is configured as a transmit port circuit, the second transceiver port circuit is configured as a receive port circuit,
wherein radio frequency signals from the two or more ports of the antenna port circuit are received by the two or more ports of the second transceiver port circuit simultaneously or simultaneously, and
and transmitting radio frequency signals to the two or more ports of the antenna port circuit by the ports of the first transceiving port circuit for output.
11. The multi-function PIN radio frequency switch circuit of claim 1, wherein, in the case where the first transceiver port circuit is configured as a receive port circuit, the second transceiver port circuit is configured as a transmit port circuit,
wherein radio frequency signals are transmitted simultaneously or simultaneously by the two or more ports of the second transceiving port circuit to the two or more ports of the antenna port circuit for output, and
radio frequency signals from the two or more ports of the antenna port circuit are received by ports of the first transceiver port circuit at different times.
12. A multiple-receive switching circuit in combination with a plurality of the multifunctional PIN radio-frequency switching circuits according to any one of claims 1 to 11, said multiple-receive switching circuit being capable of multiple-receive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073916.2A CN109802666B (en) | 2019-01-25 | 2019-01-25 | Multifunctional PIN radio frequency switch circuit and multiple-input multiple-output switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073916.2A CN109802666B (en) | 2019-01-25 | 2019-01-25 | Multifunctional PIN radio frequency switch circuit and multiple-input multiple-output switch circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109802666A CN109802666A (en) | 2019-05-24 |
| CN109802666B true CN109802666B (en) | 2023-04-25 |
Family
ID=66560423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910073916.2A Active CN109802666B (en) | 2019-01-25 | 2019-01-25 | Multifunctional PIN radio frequency switch circuit and multiple-input multiple-output switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109802666B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970066A (en) * | 2012-09-17 | 2013-03-13 | 西安天和防务技术股份有限公司 | Converter based on centralized transmission and decentralized transmission of microwave |
| CN107994918A (en) * | 2017-12-21 | 2018-05-04 | 南京华讯方舟通信设备有限公司 | A kind of single-pole double-throw switch (SPDT) for radio-frequency receiving-transmitting switching |
| CN108011648A (en) * | 2017-10-26 | 2018-05-08 | 绵阳鑫阳知识产权运营有限公司 | On-off circuit for receiver |
| CN207706183U (en) * | 2017-12-21 | 2018-08-07 | 南京华讯方舟通信设备有限公司 | A kind of single-pole double-throw switch (SPDT) for radio-frequency receiving-transmitting switching |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8238842B2 (en) * | 2009-03-03 | 2012-08-07 | Broadcom Corporation | Method and system for an on-chip and/or an on-package transmit/receive switch and antenna |
-
2019
- 2019-01-25 CN CN201910073916.2A patent/CN109802666B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970066A (en) * | 2012-09-17 | 2013-03-13 | 西安天和防务技术股份有限公司 | Converter based on centralized transmission and decentralized transmission of microwave |
| CN108011648A (en) * | 2017-10-26 | 2018-05-08 | 绵阳鑫阳知识产权运营有限公司 | On-off circuit for receiver |
| CN107994918A (en) * | 2017-12-21 | 2018-05-04 | 南京华讯方舟通信设备有限公司 | A kind of single-pole double-throw switch (SPDT) for radio-frequency receiving-transmitting switching |
| CN207706183U (en) * | 2017-12-21 | 2018-08-07 | 南京华讯方舟通信设备有限公司 | A kind of single-pole double-throw switch (SPDT) for radio-frequency receiving-transmitting switching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109802666A (en) | 2019-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8072294B2 (en) | Filter having switch function and band pass filter | |
| US8558749B2 (en) | Method and apparatus for elimination of duplexers in transmit/receive phased array antennas | |
| CN110545112B (en) | Antenna switching circuit and terminal | |
| EP1237222A1 (en) | Multiband transformation stage for a multiband r.f. switching device | |
| US20050040874A1 (en) | Micro electro-mechanical system (mems) phase shifter | |
| US10284165B2 (en) | Variable phase shifter, variable phase shift circuit, RF front-end circuit, and communication apparatus | |
| CN111525933B (en) | Radio frequency circuit and electronic equipment | |
| US7315225B2 (en) | Phase shifter providing multiple selectable phase shift states | |
| CN110444844B (en) | Single-channel and multi-channel reconfigurable filter circuit | |
| Maloratsky | Electrically tunable switched-line diode phase shifters Part 1: Design procedure | |
| JP3163918B2 (en) | High frequency switch | |
| CN111541431A (en) | Radio frequency front end circuit, radio frequency front end device and system of millimeter waves and terahertz waves | |
| JP2010521830A (en) | RF switch and device comprising RF switch | |
| CN109964368B (en) | System and method for multi-mode active electronically scanned array | |
| CN109802666B (en) | Multifunctional PIN radio frequency switch circuit and multiple-input multiple-output switch circuit | |
| CN112736456A (en) | Broadband reconfigurable microstrip antenna | |
| EP2940782B1 (en) | Semiconductor diode switch | |
| CN108880579B (en) | Switch matrix circuit with double-pole multi-throw and power distribution double-function switching | |
| EP3483981B1 (en) | Programmable power combiner and splitter | |
| JP3235380B2 (en) | High frequency switch | |
| CN113904646A (en) | Low-power-consumption broadband passive phase shifter and phased array device | |
| CN210430049U (en) | Single-channel and multi-channel reconfigurable filter circuit | |
| EP4138209A1 (en) | Switchable combiner and/or splitter circuit comprising wilkinson elements | |
| US9941561B2 (en) | Systems and methods for high power RF channel selection | |
| CN108306098B (en) | Communication device and unmanned aerial vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |