CN213783586U - Low-power-consumption fully-integrated UHF-band transmitting chip - Google Patents
Low-power-consumption fully-integrated UHF-band transmitting chip Download PDFInfo
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- CN213783586U CN213783586U CN202120168823.0U CN202120168823U CN213783586U CN 213783586 U CN213783586 U CN 213783586U CN 202120168823 U CN202120168823 U CN 202120168823U CN 213783586 U CN213783586 U CN 213783586U
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Abstract
The utility model discloses a low-power consumption full integration UHF-band transmitting chip, including little the control unit, receive chip one and receive chip two, little the control unit's output is connected with the LED display screen through the conductor wire, little the control unit's output and input all are connected with transmitting chip through the conductor wire, and little the control unit's output and input all through the conductor wire respectively with transmitting chip's input and output, receive chip one's output and input all are connected with memory one through the conductor wire, and receive chip one's output and input all through the conductor wire respectively with memory one's input and output, receive chip one's output is connected with radio frequency chip one through the conductor wire. The utility model discloses the small size encapsulation, peripheral component are little, can have powerful performance, abundant function, can use more occasions, especially portable etc. require strict product to the consumption, lower consumption, the SNR is higher, and the cost is lower, the production of being more convenient for.
Description
Technical Field
The utility model relates to a wireless wheat technical field especially relates to low-power consumption fully integrated UHF-band transmitting chip.
Background
The system comprises a low-noise microphone interface, high-fidelity audio processing, a high-power radio frequency PA and a global waveband range. The wireless remote control terminal also has the function of an auxiliary digital channel, and can realize the functions of automatic frequency alignment, remote control, code alignment, information transmission and the like by matching with a receiving chip of a KTMicro. The microphone is widely applied to wireless microphones, wireless sound boxes, Soundbar, portable loudspeakers, tour guides, teaching machines and the like.
The traditional wireless microphone has the defects of low sensitivity, insufficient high-frequency response, insufficient tone, low transmitting power, poor interference resistance, easiness in howling, high power consumption and the like.
Therefore, it is necessary to design a low power consumption fully integrated UHF-band transmitting chip to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the sensitivity that exists among the prior art not high enough, high frequency response is not enough, and the tone quality is fine and smooth inadequately, the little shortcoming of transmitting power, and the low-power consumption who proposes integrates UHF-band transmitting chip entirely.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the low-power-consumption fully-integrated UHF-band transmitting chip comprises a micro control unit, a first receiving chip and a second receiving chip, wherein the output end of the micro control unit is connected with an LED display screen through a conducting wire, the output end and the input end of the micro control unit are both connected with the transmitting chip through conducting wires, the output end and the input end of the micro control unit are respectively connected with the input end and the output end of the transmitting chip through conducting wires, the output end and the input end of the first receiving chip are both connected with a first memory through conducting wires, the output end and the input end of the first receiving chip are respectively connected with the input end and the output end of the first memory through conducting wires, the output end and the input end of the first receiving chip are both connected with a second memory through conducting wires, and the output end and the input end of the second receiving chip are respectively connected with the input end and the output end of the second memory through conducting wires, the output end of the second receiving chip is connected with a second radio frequency chip through a conducting wire, and the output ends of the first radio frequency chip and the second radio frequency chip are connected with an output interface through connection.
Furthermore, the input end of the micro control unit is connected with a key switch through a conducting wire, and the input end of the output interface is connected with a power supply module through a conducting wire.
Furthermore, the power supply module comprises a USB plug, and one end of the USB plug is connected with a battery charging chip through a conducting wire.
Furthermore, the output end of the battery charging chip is connected with an overcurrent protection chip through a conductor wire, and the output ends of the overcurrent protection chip and the battery charging chip are connected with a battery charging interface through a conductor wire.
Furthermore, the output end of the battery charging chip is connected with a first voltage stabilizing chip through a conducting wire and a field effect tube, and the output end of the first voltage stabilizing chip is connected with a power supply connection port.
Furthermore, the power supply ends of the first receiving chip and the second receiving chip are both connected with a power supply interface through a conducting wire, and one end of the power supply interface is connected with the second voltage stabilizing chip.
The utility model has the advantages that:
1. the UHF-band transmitting chip is fully integrated through the low power consumption, the UHF of the global waveband range is supported, 470MHZ-960MHZ, professional-level tone quality is supported: the audio dynamic range is larger than or equal to 106db, and the audio response is as follows: 20HZ-18KHZ, low distortion: < 0.3%, maximum transmission power: 18dBm, low power consumption: working current: < 60Ma @14dBm, standby current: the UHF-band transmitting chip has the advantages of smaller size than 22ua, small package, small peripheral elements, strong performance and rich functions, can be applied to more occasions, particularly portable products with strict requirements on power consumption, and can easily realize all functions from audio data acquisition, audio algorithm processing to transmission by only needing a simple peripheral circuit. Compared with the similar products, the multifunctional entertainment system has more entertainment functions, lower power consumption, higher signal-to-noise ratio, lower cost and more convenience for production.
Drawings
Fig. 1 is a functional block diagram of a wireless microphone system with a low-power consumption fully integrated UHF-band transmitting chip according to the present invention;
fig. 2 is a functional block diagram of a wireless microphone system with a low power consumption fully integrated UHF-band transmitting chip according to the present invention;
fig. 3 is a first schematic diagram of wireless microphone transmission of the low power consumption fully integrated UHF-band transmitting chip of the present invention;
fig. 4 is a second schematic diagram of the wireless microphone transmitting of the low power consumption fully integrated UHF-band transmitting chip of the present invention;
fig. 5 is a first schematic diagram of the power supply principle of the wireless microphone of the low power consumption fully integrated UHF-band transmitting chip of the present invention;
fig. 6 is a second schematic diagram of the power supply principle of the wireless microphone of the low power consumption fully integrated UHF-band transmitting chip of the present invention;
fig. 7 is a first schematic diagram of the wireless microphone receiving of the low power consumption fully integrated UHF-band transmitting chip of the present invention;
fig. 8 is a second schematic diagram of the wireless microphone receiving of the low power consumption fully integrated UHF-band transmitting chip of the present invention;
fig. 9 is a third schematic diagram of the wireless microphone receiving of the low power consumption fully integrated UHF-band transmitting chip of the present invention;
fig. 10 is a fourth schematic diagram of the wireless microphone receiving of the low power consumption fully integrated UHF-band transmitting chip of the present invention;
fig. 11 is a schematic diagram of the wireless microphone receiving of the low power consumption fully integrated UHF-band transmitting chip according to the present invention.
In the figure: 1 micro control unit, 2LED display screen, 3 transmitting chip, 4 key switches, 5 power supply module, 6 memory I, 7 memory II, 8 receiving chip I, 9 radio frequency chip I, 10 receiving chip II, 11 radio frequency chip II, 12 output interface, 13 wireless microphone, 14USB plug, 15 battery charging chip, 16 overcurrent protection chip, 17 battery charging interface, 18 voltage stabilization chip I, 19 power supply connection port, 20 power supply interface, 21 voltage stabilization chip II.
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 a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 11, the low power consumption fully integrated UHF-band transmitting chip includes a micro control unit 1, a receiving chip I8 and a receiving chip ii 10, both types of the receiving chip I8 and the receiving chip ii 10 are KT0651, the type of the micro control unit 1 is H7802, the MCU micro control unit 1 sends an instruction to the low power consumption fully integrated UHF-band transmitting chip 3 through I2C according to an operation instruction of a user button switch 4, an output end of the micro control unit 1 is connected to an LED display screen 2 through a conductive wire, the transmitting chip 3 adjusts a transmitting power, a frequency bandwidth, a compression time constant, a pilot frequency, a 15-segment equalization, an ECHO, a digital auxiliary channel, an AGC, an ALC, and the like according to the instruction and can transmit status information back to the MCU micro control unit 1 and display on the LED display screen 2, an output end and an input end of the micro control unit 1 are both connected to the transmitting chip 3 through conductive wires, the type of the transmitting chip 3 is KT0646, the transmitting chip 3 supports the global waveband range of UHF:470MHZ-960MHZ, professional-level tone: the audio dynamic range is larger than or equal to 106db, and the audio response is as follows: 20HZ-18KHZ, low distortion: < 0.3%, maximum transmission power: 18dBm, low power consumption: working current: < 60Ma @14dBm, standby current: less than 22ua, small volume package, small peripheral elements, strong performance, rich functions, and application to more occasions, especially portable products with strict requirements on power consumption, etc., wherein the output and input ends of the micro control unit 1 are respectively connected with the input end and the output end of the transmitting chip 3 through conductive wires, the output end and the input end of the receiving chip I8 are respectively connected with the memory I6 through conductive wires, the memory I6 is used for storing information, the output end and the input end of the receiving chip I8 are respectively connected with the input end and the output end of the memory I6 through conductive wires, the output end of the receiving chip I8 is connected with the radio frequency chip I9 through conductive wires, the output end and the input end of the receiving chip II 10 are respectively connected with the memory II 7 through conductive wires, the models of the memory I6 and the memory II 7 are GT24C128A, the memory II 7 is used for storing information, the output end and the input end of the second receiving chip 10 are respectively connected with the input end and the output end of the second memory 7 through conducting wires, the output end of the second receiving chip 10 is connected with a second radio frequency chip 11 through conducting wires, the models of the first radio frequency chip 9 and the second radio frequency chip 11 are AD22650, the output ends of the first radio frequency chip 9 and the second radio frequency chip 11 are connected with an output interface 12, and the output interface 12 is used for outputting an interface which is connected with the outside through the first radio frequency chip 9 and the second radio frequency chip 11.
Further, the input end of the micro control unit 1 is connected with a key switch 4 through a conductive wire, the micro control unit 1 sends an instruction to the low power consumption fully integrated UHF-band transmitting chip 3 through the I2C according to an operation instruction of the key switch 4 by a user, and the input end of the output interface 12 is connected with a power supply module 5 through a conductive wire.
Further, the power supply module 5 includes a USB plug 14, the USB plug 14 is convenient for supplying power and charging the wireless microphone, and one end of the USB plug 14 is connected to a battery charging chip 15 through a conductive wire.
Further, the output end of the battery charging chip 15 is connected with an overcurrent protection chip 16 through a conducting wire, the model of the overcurrent protection chip 16 is XB3303A, the overcurrent protection chip 16 is used for performing overcurrent protection on the charged battery, the output ends of the overcurrent protection chip 16 and the battery charging chip 15 are connected with a battery charging interface 17 through a conducting wire, and the charging end of the battery is welded on the battery charging interface 17.
Furthermore, the output end of the battery charging chip 15 is connected with a first voltage stabilizing chip 18 through a conducting wire and a field effect tube, the model of the first voltage stabilizing chip 18 is ME-6211-3.0V, the first voltage stabilizing chip 18 can stabilize the voltage output by the power supply connection port 19 to provide stable voltage, and the output end of the first voltage stabilizing chip 18 is connected with the power supply connection port 19.
Furthermore, the power supply ends of the first receiving chip 8 and the second receiving chip 10 are both connected with a power supply interface 20 through a conducting wire, one end of the power supply interface 20 is connected with a second voltage stabilizing chip 21, the model of the second voltage stabilizing chip 21 is 1117B-3.3V, and the second voltage stabilizing chip 21 can play a role in stabilizing voltage.
The working principle is as follows: when the wireless microphone 13 karaoke mode is used, an MIC analog signal is input from 1/2PIN of a low-power consumption fully integrated UHF-band transmitting chip 3 and is amplified by a Preamplifier (PGA) to enter an audio processor for processing, an MCU micro-control unit 1 sends an instruction to the low-power consumption fully integrated UHF-band transmitting chip 3 through an I2C according to an operation instruction of a key switch 4 of a user, the low-power consumption fully integrated UHF-band transmitting chip 3 adjusts the transmitting power, the frequency band width, the compression time constant, the pilot frequency, 15-segment equalization, ECHO, a digital auxiliary channel, AGC, ALC and the like according to the instruction and can return state information to the MCU micro-control unit 1 and display the state information on an LED display screen 2, simultaneously limits noise and inhibits howling, the processed signal is transmitted from 16 and 17PIN antennas of the low-power consumption fully integrated UHF-band transmitting chip 3, the low-power consumption fully integrated UHF-band transmitting chip 3 can be internally used for audio detection, can realize automatic mute and enter a standby state under the condition of no audio input, and can wake up the chip by an extremely-low-power audio detection function in the standby state so as to fully reduce the power consumption of the system, the above various functions can be realized by programming signal acquisition software, the low-power consumption fully integrated UHF-band transmitting chip 3 is packaged in a small size, only a simple peripheral circuit is needed, all functions from audio data acquisition and audio algorithm processing to transmission can be easily realized, and the UHF-band transmitting chip has more entertainment functions and lower power consumption compared with similar products, has higher signal-to-noise ratio and lower cost and is more convenient to produce.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The low-power-consumption fully-integrated UHF-band transmitting chip comprises a micro control unit (1), a receiving chip I (8) and a receiving chip II (10), and is characterized in that the output end of the micro control unit (1) is connected with an LED display screen (2) through a conducting wire, the output end and the input end of the micro control unit (1) are both connected with a transmitting chip (3) through conducting wires, the output end and the input end of the micro control unit (1) are respectively connected with the input end and the output end of the transmitting chip (3) through conducting wires, the output end and the input end of the receiving chip I (8) are both connected with a memory I (6) through conducting wires, the output end and the input end of the receiving chip I (8) are respectively connected with the input end and the output end of the memory I (6) through conducting wires, and the output end of the receiving chip I (8) is connected with a radio frequency chip I (9) through a conducting wire, the output end and the input end of the second receiving chip (10) are connected with a second memory (7) through conducting wires, the output end and the input end of the second receiving chip (10) are respectively connected with the input end and the output end of the second memory (7) through conducting wires, the output end of the second receiving chip (10) is connected with a second radio frequency chip (11) through conducting wires, and the output ends of the first radio frequency chip (9) and the second radio frequency chip (11) are connected with an output interface (12).
2. The low-power consumption fully integrated UHF-band transmitting chip according to claim 1, characterised in that the input of the micro control unit (1) is connected with a key switch (4) by a conductive wire, and the input of the output interface (12) is connected with a power supply module (5) by a conductive wire.
3. The low-power consumption fully integrated UHF-band transmitting chip according to claim 2, wherein the power supply module (5) comprises a USB plug (14), and one end of the USB plug (14) is connected with a battery charging chip (15) through a conductive wire.
4. The low-power consumption fully integrated UHF-band transmitting chip according to claim 3, wherein the output terminal of the battery charging chip (15) is connected with an over-current protection chip (16) through a conductive wire, and the output terminals of the over-current protection chip (16) and the battery charging chip (15) are connected with a battery charging interface (17) through a conductive wire.
5. The low-power consumption fully integrated UHF-band transmitting chip according to claim 3, wherein the output end of the battery charging chip (15) is connected with a first voltage stabilizing chip (18) through a conducting wire and a field effect tube, and the output end of the first voltage stabilizing chip (18) is connected with a power supply connection port (19).
6. The low-power consumption fully integrated UHF-band transmitting chip according to claim 1, wherein the power supply terminals of the receiving chip I (8) and the receiving chip II (10) are both connected with a power supply interface (20) through a conducting wire, and one end of the power supply interface (20) is connected with a voltage stabilizing chip II (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120168823.0U CN213783586U (en) | 2021-01-21 | 2021-01-21 | Low-power-consumption fully-integrated UHF-band transmitting chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120168823.0U CN213783586U (en) | 2021-01-21 | 2021-01-21 | Low-power-consumption fully-integrated UHF-band transmitting chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213783586U true CN213783586U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120168823.0U Expired - Fee Related CN213783586U (en) | 2021-01-21 | 2021-01-21 | Low-power-consumption fully-integrated UHF-band transmitting chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213783586U (en) |
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2021
- 2021-01-21 CN CN202120168823.0U patent/CN213783586U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 Termination date: 20220121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |