CN211127726U - Radio frequency remote controller - Google Patents
Radio frequency remote controller Download PDFInfo
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- CN211127726U CN211127726U CN202020248599.1U CN202020248599U CN211127726U CN 211127726 U CN211127726 U CN 211127726U CN 202020248599 U CN202020248599 U CN 202020248599U CN 211127726 U CN211127726 U CN 211127726U
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Abstract
The utility model discloses a radio frequency remote controller, including control chip, power supply circuit, backlight drive circuit, liquid crystal display, high frequency transmission circuit, power supply circuit backlight drive circuit liquid crystal display with high frequency transmission circuit respectively with the control chip electricity is connected, high frequency transmission circuit outwards launches carrier signal through mixing, filtering and high frequency oscillation in proper order. The high-frequency transmitting circuit is subjected to secondary filtering, so that the functions of main frequency communication and harmonic wave filtering are realized fundamentally. The user can realize the setting of carriers such as 315M,350M and 433M by adjusting the acoustic surface filter Y1 and other filtering frequency-selecting parameters arranged in the high-frequency transmitting circuit, and the high-frequency transmitting circuit is added with antenna network compensation, so that the defect of insufficient length of an on-board antenna can be fundamentally solved, and the optimal radiation of a transmitting signal is realized.
Description
Technical Field
The utility model relates to a radio frequency communication field, more specifically say and indicate a radio frequency remote controller.
Background
Radio frequency communication is applied in more and more fields, more and more users adopt a chip module mode in a wireless communication transmitting device to ensure that the development is simple, but the hardware cost is greatly increased, the price of a single transmitting module is at least more than 3RMB, so that the unit price of simple handheld equipment is very expensive, all the devices on the other hand are in one-to-one correspondence, hardware circuits cannot be shared, and the compatibility is poor; the traditional transmitting circuit faces two problems for most designers, the harmonic wave is too high to pass safety certification, on the other hand, a plurality of specific devices are limited by appearance, the transmitting antenna cannot reach the optimal design, and the transmitting distance is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a radio frequency remote controller.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a radio frequency remote controller, includes control chip, power supply circuit, backlight drive circuit, liquid crystal display, high frequency transmitting circuit, power supply circuit backlight drive circuit liquid crystal display with high frequency transmitting circuit respectively with the control chip electricity is connected, high frequency transmitting circuit outwards launches carrier signal through mixing, filtering and high frequency oscillation in proper order.
The further technical scheme is as follows: the high-frequency transmitting circuit comprises a mixing sub-circuit, a filtering sub-circuit and a high-frequency oscillating sub-circuit, wherein the mixing sub-circuit, the filtering sub-circuit and the high-frequency oscillating sub-circuit are sequentially connected.
The frequency mixing sub-circuit comprises a capacitor C, a resistor R, an inductor 1, a resistor R, a triode Q, a capacitor C, an acoustic meter filter Y, a resistor R and a capacitor C, wherein the first end of the capacitor C is grounded, the second end of the capacitor C is connected with the first end of the inductor 1, the first end of the inductor 01 is connected with a 3.3V power input, the second end of the inductor C is connected with the collector of the triode Q, the first end of the resistor R is connected with the MCU-DATA end of the control chip, the second end of the resistor R is connected with the first end of the resistor R, the second end of the resistor R is connected with the second end of the resistor R, the second end of the resistor R is connected with the base of the triode Q, the first end of the capacitor C is connected with the first end of the resistor R, the second end of the capacitor C is grounded, the first end of the acoustic meter filter Y is connected with the second end of the resistor R, the second end of the capacitor C is connected with the emitter of the triode Q, the second end of the capacitor C, the capacitor C is connected with the second end of the capacitor C2, the capacitor C, the collector of the capacitor C is connected with the second end of the triode Q, the capacitor C, the second end of the capacitor C is connected with the emitter of the capacitor C, the second end of the capacitor C is connected with the second end of the capacitor C, the capacitor C is connected with the second end of the capacitor C, the second end of the capacitor C2, the capacitor C is connected with the capacitor C, the second end of the capacitor C is connected with the capacitor C, the emitter of the capacitor C, the second end of the capacitor C, the capacitor C is connected with the capacitor C, the second end of the capacitor C, the capacitor C is connected with the emitter of the second end of the capacitor C, the second end of the capacitor C, the capacitor C is connected with the emitter of the capacitor C, the second end of the capacitor C, the second end of the capacitor C, the capacitor C is connected with the capacitor C, the second end of the capacitor C, the capacitor C is connected with the second end of the emitter of the capacitor C, the emitter of the capacitor C is connected with the emitter of the capacitor C, the capacitor C is.
The further technical scheme is as follows: a capacitor C16 is arranged between the first end of the resistor R20 and the first end of the capacitor C10, and the capacitor C16 is used for filtering a direct-current component of a carrier signal.
The high-frequency oscillation sub-circuit comprises an inductor L4, a first end of the inductor L4 is connected with the antenna and a first end of the capacitor C25, and a second end of the inductor is grounded.
The further technical scheme is as follows: the power supply circuit includes a voltage regulator sub-circuit and a detection sub-circuit.
The voltage stabilizing sub-circuit comprises a battery, a capacitor C5, a capacitor EC1, a voltage stabilizing module U2 and a capacitor C22, wherein a first end of the capacitor C5 is respectively connected with an anode of the battery and a VBAT end, a second end of the capacitor C5 is connected with a cathode of the battery and grounded, a first end of the capacitor EC1 is connected with the anode of the battery, a second end of the capacitor EC1 is connected with the cathode of the battery, an IN end of the voltage stabilizing module U2 is connected with the anode of the battery, a ground terminal of the voltage stabilizing module U2 is connected with the cathode of the battery, a first end of the capacitor C22 is connected with an OUT end of the voltage stabilizing module U2, a second end of the capacitor C2 is connected with the ground terminal, and the OUT end of the voltage stabilizing module U2 outputs a stabilized voltage of 3.3V to the first end of the inductor L1.
The further technical scheme is as follows: the detection sub-circuit comprises a resistor R4, a resistor R5 and a resistor R5-1, wherein the first end of the resistor R4 is connected with the VBAT end, the second end of the resistor R5 is connected with the first end of the resistor R5, the second end of the resistor R5 is connected with the V-EN end of the control chip, the first end of the resistor R5-1 is connected with the first end of the resistor R5, and the second end of the resistor R5-1 is connected with the V-CHECK end of the control chip.
The further technical scheme is that the specific model of the control chip is MC96F7616A L.
The further technical scheme is as follows: the specific models of the transistor Q1 and the transistor Q2 are both S2C 3838Q.
Compared with the prior art, the utility model beneficial effect be: the utility model relates to a radio frequency remote controller is through setting up high frequency transmitting circuit, and high frequency transmitting circuit outwards launches carrier signal through mixing, filtering and high frequency oscillation in proper order, and high frequency transmitting circuit has passed through secondary filter, and fundamentally has realized leading dominant frequency, considers the function of harmonic. The user can realize the setting of carriers such as 315M,350M and 433M by adjusting the acoustic surface filter Y1 and other filtering frequency-selecting parameters arranged in the high-frequency transmitting circuit, and the high-frequency transmitting circuit is added with antenna network compensation, so that the defect of insufficient length of an on-board antenna can be fundamentally solved, and the optimal radiation of a transmitting signal is realized.
The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.
Drawings
FIG. 1 is a circuit block diagram of a radio frequency remote controller;
FIG. 2 is a circuit diagram of a high frequency transmission circuit;
FIG. 3 is a circuit diagram of a power circuit;
FIG. 4 is a circuit diagram of a backlight driving circuit;
FIG. 5 is a circuit diagram of a control chip;
fig. 6 is a circuit diagram of the liquid crystal display panel.
Reference numerals
1. A control chip; 2. a power supply circuit; 3. a liquid crystal display screen; 4. a backlight source drive circuit; 5. a high frequency transmission circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1 to 6, a radio frequency remote controller includes a control chip 1, a power circuit 2, a backlight source driving circuit 4, a liquid crystal display 3, and a high frequency transmitting circuit 5, wherein the power circuit 2, the backlight source driving circuit 4, the liquid crystal display 3, and the high frequency transmitting circuit 5 are respectively electrically connected to the control chip 1, and the high frequency transmitting circuit 5 sequentially transmits a carrier signal to the outside through frequency mixing, filtering, and high frequency oscillation. The high-frequency transmitting circuit 5 fundamentally realizes the functions of main frequency communication and harmonic wave filtering through two-stage filtering.
Specifically, the high-frequency transmission circuit 5 includes a mixing sub-circuit, a filtering sub-circuit, and a high-frequency oscillation sub-circuit, which are connected in this order.
Specifically, as shown in fig. 2, the mixing sub-circuit includes a capacitor C, a resistor R, an inductor 1, a resistor R, a transistor Q, a capacitor C, an acoustic meter filter Y, a resistor R, and a capacitor C, a first end of the capacitor C is grounded, a second end of the capacitor C is connected to a first end of the inductor 1, a first end of the inductor 01 is connected to a 3.3V power input, a second end of the inductor Q is connected to a collector of the transistor Q, a first end of the resistor R is connected to a MCU-DATA terminal of the control chip 1, a second end of the resistor R is connected to a first end of the resistor R, a second end of the resistor R is connected to a base of the transistor Q, a first end of the capacitor C is connected to a first end of the resistor R, a second end of the resistor R is grounded, a first end of the acoustic meter filter Y is connected to a second end of the resistor R, a first end of the capacitor C is connected to an emitter of the transistor Q, a second end of the resistor C is connected to an emitter of the transistor Q, a second end of the transistor C, a second end of the inductor C is connected to a high frequency signal compensation resistor C, a high frequency compensation resistor C, a transistor Q, a high frequency signal can be generated when the signal is generated, a signal is generated, a signal is transmitted to be transmitted to the transistor Q, the transistor Q is a high frequency compensation circuit, the transistor Q is a high frequency compensation circuit, the transistor Q, the high frequency compensation circuit is the high frequency compensation circuit, the high frequency compensation circuit includes the high frequency compensation circuit, the high frequency compensation circuit is the high frequency compensation circuit, the high frequency compensation circuit is the high frequency compensation circuit, the high.
Specifically, the transmission power can be effectively changed by changing the resistor R13 and the resistor R15, the center average frequency of the carrier can be changed by changing the parameter of the acoustic table filter Y1, the oscillation frequency of the acoustic table filter Y1 is the oscillation frequency of the system, a user can directly modify the parameter of the acoustic table filter Y1 into 315M,350M or 433M, the parameter of the filter circuit can be effectively modified to carry out filtering frequency selection, and harmonic components are ensured to be consistent under the condition of high main frequency.
Specifically, as shown in fig. 2, a capacitor C16 is disposed between the first end of the resistor R20 and the first end of the capacitor C10, and the carrier signal after mixing is filtered by the capacitor C16 to remove a pure dc component.
Specifically, as shown in fig. 2, the high-frequency oscillation sub-circuit includes an inductor L4, a first terminal of the inductor L4 is connected to the antenna and a first terminal of a capacitor C25, respectively, and a second terminal is grounded, L4 is an antenna compensation component, and is matched with the compensation of wavelength matching of the on-board antenna, so as to achieve the function of perfect performance.
Specifically, the power supply circuit 2 includes a voltage-stabilizing sub-circuit and a detecting sub-circuit.
Specifically, as shown IN fig. 3, the voltage regulation sub-circuit includes a battery, a capacitor C5, a capacitor EC1, a voltage regulation module U2, and a capacitor C22, a first end of the capacitor C5 is connected to an anode of the battery and a VBAT terminal of the battery, a second end of the capacitor C1 is connected to a cathode of the battery, a second end of the capacitor C1 is connected to the anode of the battery, an IN terminal of the voltage regulation module U2 is connected to an anode of the battery, a ground terminal of the voltage regulation module U2 is connected to a cathode of the battery, a first end of the capacitor C22 is connected to an OUT terminal of the voltage regulation module U2, a second end of the capacitor C22 is connected to a ground terminal of the voltage regulation module U2, an OUT terminal of the voltage regulation module U2 outputs a regulated voltage of 3.3V to a first end of the inductor L, the battery is powered, and a stabilized voltage is supplied to a logic circuit of the system by the voltage regulation module U.
Specifically, as shown in fig. 3, the detection sub-circuit includes a resistor R4, a resistor R5, and a resistor R5-1, a first terminal of the resistor R4 is connected to the VBAT terminal, a second terminal of the resistor R5 is connected to the first terminal of the resistor R3838, a second terminal of the resistor R5 is connected to the V-EN terminal of the control chip 1, a first terminal of the resistor R5-1 is connected to the first terminal of the resistor R5, and a second terminal of the resistor R5-1 is connected to the V-CHECK terminal of the control chip 1. The resistor R4, the resistor R5 and the resistor R5-1 are low-voltage detection circuits, the V-EN is connected with an IO port of the MCU and used as an enabling port for low-voltage detection, the V-check is a detection port of an analog-digital AD port, when the V-EN is set to be low, the battery voltage starts to be detected, and after the detection is finished, the V-EN is set to be high again, so that the effect of saving the electric quantity of the battery is achieved.
Specifically, as shown in fig. 4, L ED1 and L ED2 in the backlight driving circuit 4 provide uniform light sources for a three-color backlight L ED to guide light through a light guide plate.
Specifically, as shown in fig. 5, ON, OFF, AUTO, and TIMER functions of 4 keys in the control chip 1 are respectively implemented according to software definitions; y12, capacitor C3 and capacitor C4 provide an accurate clock source for the crystal oscillator circuit system; the NTC, the capacitor C2 and the resistor R6 are temperature detection circuits, real-time detection temperature is calculated through MCU AD sampling, the NTC-EN is an enabling signal, when the temperature needs to be detected, the NTC-EN is set to be low, otherwise, the NTC-EN is set to be high, and therefore the effect of saving the battery can be achieved; the SW1 is a dial switch and is a hardware code value circuit, the MCU can read the hardware code value of the SW1 when transmitting signals, and equipment with the same hardware code value at a receiving end can respond; the resistor R11, the resistor R14, the resistor R17 and the resistor R18 are used for providing reference voltages for the voltage dividing circuit to the built-in modules of the MCU respectively.
Specifically, the specific model of the control chip 1 is MC96F7616A L.
Specifically, the specific models of the transistor Q1 and the transistor Q2 are both S2C 3838Q.
Specifically, the radio frequency remote controller adopts a low-cost acoustic surface filter as a main body, a high-frequency transmitting circuit 5 based on a separating device is subjected to secondary filtering, the main frequency of the communication is fundamentally realized, the harmonic wave filtering function is taken into consideration, the circuit is a universal radio frequency transmitting circuit, a user can directly adjust the Y1 of the acoustic surface filter and other filtering frequency selection parameters through the same hardware structure to realize the setting of carriers such as 315M,350M and 433M, the secondary filtering circuit architecture is added with antenna network compensation, the defect that the length of an onboard antenna is not enough can be fundamentally solved, and the optimal radiation of a transmitting signal is realized.
Compared with the prior art, the utility model relates to a radio frequency remote controller is through setting up high frequency transmitting circuit, and high frequency transmitting circuit outwards launches carrier signal through mixing, filtering and high frequency oscillation in proper order, and high frequency transmitting circuit has passed through secondary filter, and fundamentally has realized the dominant frequency of communication, considers the function of harmonic. The user can realize the setting of carriers such as 315M,350M and 433M by adjusting the acoustic surface filter Y1 and other filtering frequency-selecting parameters arranged in the high-frequency transmitting circuit, and the high-frequency transmitting circuit is added with antenna network compensation, so that the defect of insufficient length of an on-board antenna can be fundamentally solved, and the optimal radiation of a transmitting signal is realized.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The radio frequency remote controller is characterized by comprising a control chip, a power circuit, a backlight source driving circuit, a liquid crystal display screen and a high-frequency transmitting circuit, wherein the power circuit, the backlight source driving circuit, the liquid crystal display screen and the high-frequency transmitting circuit are respectively electrically connected with the control chip, and the high-frequency transmitting circuit sequentially transmits carrier signals to the outside through frequency mixing, filtering and high-frequency oscillation.
2. The radio frequency remote controller according to claim 1, wherein the high frequency transmitting circuit comprises a mixing sub-circuit, a filtering sub-circuit and a high frequency oscillating sub-circuit, and the mixing sub-circuit, the filtering sub-circuit and the high frequency oscillating sub-circuit are connected in sequence.
3. The radio frequency remote controller according to claim 2, wherein the mixing sub-circuit comprises a capacitor C, a resistor R, an inductor 1, a resistor R, a triode Q, a capacitor C, an acoustic meter filter Y, a resistor R and a capacitor C, a first end of the capacitor C is grounded, a second end of the capacitor C is connected with a first end of the inductor 1, a first end of the inductor 01 is connected with a 3.3V power input, a second end of the inductor Q is connected with a collector of the triode Q, a first end of the resistor R is connected with a MCU-DATA end of the control chip, a second end of the resistor R is connected with a first end of the resistor R, a first end of the resistor R is connected with a second end of the resistor R, a second end of the resistor R is connected with a base of the triode Q, a first end of the capacitor C is connected with a first end of the resistor R, a second end of the capacitor C is grounded, a first end of the capacitor C is connected with a second end of the resistor R, a second end of the capacitor C is connected with a base of the triode Q, a second end of the capacitor C is connected with a base of the inductor C, a second end of the capacitor C is connected with a base of the triode Q, a base of the capacitor C, a second end of the capacitor C is connected with a base of the inductor C, a base of the capacitor C2, a second end of the capacitor C is connected with a transistor Q, a base of the capacitor C, a second end of the capacitor C is connected with a base of the capacitor C, a second end of the capacitor C, a transistor Q, a base of the capacitor C is connected with a base of the capacitor C, a base of the capacitor C is connected with a transistor Q, a base of the capacitor C, a second end of the capacitor C is connected with a transistor Q, a base of the resistor R, a second end of the resistor R is connected with a transistor Q, a base of the resistor R, a transistor Q, a base of the resistor R is connected with a base of the resistor R, a second end of the resistor R, a transistor Q, a transistor C is connected with a transistor Q, a second end of the capacitor C, a resistor R is connected with a transistor C, a transistor Q, a resistor R, a transistor C is connected with a transistor C, a resistor R is connected with a transistor Q, a transistor C, a transistor Q.
4. The RF remote control of claim 3, wherein a capacitor C16 is disposed between the first terminal of the resistor R20 and the first terminal of the capacitor C10, and the capacitor C16 is configured to filter a DC component of the carrier signal.
5. The RF remote controller according to claim 4, wherein the high frequency oscillation sub-circuit comprises an inductor L4, a first terminal of the inductor L4 is connected to the antenna and a first terminal of the capacitor C25, respectively, and a second terminal is connected to ground.
6. The radio frequency remote control of claim 5, wherein the power circuit comprises a voltage regulator sub-circuit and a detection sub-circuit.
7. The radio frequency remote controller according to claim 6, wherein the voltage regulation subcircuit includes a battery, a capacitor C5, a capacitor EC1, a voltage regulation module U2 and a capacitor C22, a first end of the capacitor C5 is connected to the positive electrode and the VBAT terminal of the battery, a second end of the capacitor C1 is connected to the positive electrode of the battery, a second end of the capacitor C1 is connected to the negative electrode of the battery, an IN terminal of the voltage regulation module U2 is connected to the positive electrode of the battery, a ground terminal of the voltage regulation module U2 is connected to the negative electrode of the battery, a first end of the capacitor C22 is connected to the OUT terminal of the voltage regulation module U2, a second end of the capacitor C2 is connected to the ground terminal of the voltage regulation module U2, and the OUT terminal of the voltage regulation module U2 outputs a regulated voltage of 3.3V to the first end of the inductor L1.
8. The RF remote controller according to claim 7, wherein the detection sub-circuit comprises a resistor R4, a resistor R5 and a resistor R5-1, a first terminal of the resistor R4 is connected to the VBAT terminal, a second terminal of the resistor R5 is connected to the first terminal of the resistor R3838, a second terminal of the resistor R5 is connected to the V-EN terminal of the control chip, a first terminal of the resistor R5-1 is connected to the first terminal of the resistor R5, and a second terminal of the resistor R5-1 is connected to the V-CHECK terminal of the control chip.
9. The radio frequency remote controller according to claim 1, wherein the specific model of the control chip is MC96F7616A L.
10. The RF remote control of claim 3, wherein the transistor Q1 and the transistor Q2 are both S2C 3838Q.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020248599.1U CN211127726U (en) | 2020-03-03 | 2020-03-03 | Radio frequency remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020248599.1U CN211127726U (en) | 2020-03-03 | 2020-03-03 | Radio frequency remote controller |
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| CN211127726U true CN211127726U (en) | 2020-07-28 |
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| CN202020248599.1U Active CN211127726U (en) | 2020-03-03 | 2020-03-03 | Radio frequency remote controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472367A (en) * | 2021-06-22 | 2021-10-01 | 厦门翔澧工业设计有限公司 | Chip with high signal-to-noise ratio and equipment comprising chip |
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2020
- 2020-03-03 CN CN202020248599.1U patent/CN211127726U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472367A (en) * | 2021-06-22 | 2021-10-01 | 厦门翔澧工业设计有限公司 | Chip with high signal-to-noise ratio and equipment comprising chip |
| CN113472367B (en) * | 2021-06-22 | 2023-03-17 | 厦门翔澧工业设计有限公司 | Chip with high signal-to-noise ratio and equipment comprising chip |
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