CN210609126U - Fully integrated wireless transmitting chip realized based on CMOS (complementary Metal oxide semiconductor) process and circuit thereof - Google Patents
Fully integrated wireless transmitting chip realized based on CMOS (complementary Metal oxide semiconductor) process and circuit thereof Download PDFInfo
- Publication number
- CN210609126U CN210609126U CN201920978269.5U CN201920978269U CN210609126U CN 210609126 U CN210609126 U CN 210609126U CN 201920978269 U CN201920978269 U CN 201920978269U CN 210609126 U CN210609126 U CN 210609126U
- Authority
- CN
- China
- Prior art keywords
- circuit
- key
- power supply
- wireless transmitting
- output end
- 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
- Transmitters (AREA)
Abstract
The utility model discloses a full-integrated wireless transmitting chip based on CMOS technology and a circuit thereof, wherein the wireless transmitting chip internally comprises a clock oscillator, a key power supply module, an encoding circuit, a power amplifying circuit, a band-gap reference circuit and a voltage stabilizing circuit; the interface circuit of the wireless transmitting chip comprises a key power supply output end, a grounded power supply negative end input end, a power output end and a plurality of key input ends; an external inductor is connected between the key power supply output end and the power output end, the power output end is also connected with a matching network, and the matching network is connected with an antenna; and the power amplification circuit transmits the carrier signal generated by the clock oscillator and the modulation signal generated by the coding circuit to the wireless modulation signal through the external inductor, the matching network and the antenna. The utility model discloses it is higher to have the integrated level, and the reliability is high, and the system is more succinct, and whole scheme cost is lower, adaptable more wireless transmitting device.
Description
Technical Field
The utility model relates to an electricity field especially relates to a based on full integrated wireless transmitting chip of CMOS technology.
Background
A crystal oscillator (XTAL) or a sound meter in a conventional wireless remote control device is an indispensable device. The method is widely applied to remote control devices. It is used in communication systems primarily as a reference for frequency generators, for generating carriers, or directly with acoustic surface. The traditional scheme has the defects of high cost, high system power consumption and incapability of being integrated into a chip, and has no way of meeting the requirements of low cost, low power consumption and miniaturization of the wireless remote control device.
Wireless remote control devices require low power consumption because they are expected to last longer on batteries. The power supply of the traditional wireless remote control device battery directly supplies power for the chip power supply, and certain standby power consumption exists. Some schemes are that a switch triode is added outside a chip, and the triode is not switched on when the key is not pressed, so that the aim of reducing the standby power consumption is achieved. However, in these schemes, the triode and the resistor are added externally, and there are many components, high cost, and inconvenience in wiring of the PCB board.
SUMMERY OF THE UTILITY MODEL
For overcoming wireless remote control unit's shortcoming among the prior art, the utility model aims at providing a based on the full integrated wireless transmission chip of CMOS technology, this chip need not directly link to each other with the power, consequently does not have stand-by power consumption, the utility model discloses a wireless transmission chip has that the integrated level is high, PCB board wiring is simple and characteristics such as with low costs.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a full-integrated wireless transmitting chip based on a CMOS (complementary metal oxide semiconductor) process is disclosed, wherein the wireless transmitting chip internally comprises a clock oscillator, a key power supply module, an encoding circuit, a power amplifying circuit, a band-gap reference circuit and a voltage stabilizing circuit; the interface circuit of the wireless transmitting chip comprises a key power supply output end, a grounded power supply negative end input end, a power output end and a plurality of key input ends; after any key input end of the key power supply module receives a signal, the key power supply module transmits power to the band-gap reference circuit, the voltage stabilizing circuit and the key power supply output end; the band-gap reference circuit provides a reference voltage which is irrelevant to the temperature for the voltage stabilizing circuit; the voltage stabilizing circuit provides the internal core voltage of the wireless transmitting chip for the clock oscillator, the coding circuit and the power amplifying circuit; the clock oscillator provides a carrier signal for the power amplifying circuit and provides a clock signal for the coding circuit; the coding circuit generates a wireless modulation signal; an output end of the power amplifying circuit is used as the power output end; the key power supply module is led out of a plurality of key input ends.
Furthermore, the key power supply module is composed of a plurality of key power supply circuits, each key power supply circuit provides a key input end, and each key power supply circuit is composed of a field effect transistor PMOS (P-channel metal oxide semiconductor) tube and a common source NMOS (N-channel metal oxide semiconductor) tube; the grid electrode of the field effect transistor PMOS tube is connected with the drain electrode output of the common source NMOS tube, the source electrode of the field effect transistor PMOS tube is connected with the key input end, and the drain electrode of the field effect transistor PMOS tube is connected with the key power supply output end, the band-gap reference circuit and the voltage stabilizing circuit; the grid electrode of the common source NMOS tube is connected with the key input end, the source electrode of the common source NMOS tube is grounded, and the drain electrode of the common source NMOS tube is connected with the load resistor and outputs signals to the grid electrode of the field effect transistor PMOS tube.
Preferably, the key input end (D) is further connected to a pull-down resistor (R3), and the other end of the pull-down resistor (R3) is grounded; and the grid electrode of the common source NMOS tube is connected with the key input end through a resistor. The resistor, the load resistor and the pull-down resistor can be realized in a resistor mode, and an MOS (metal oxide semiconductor) tube can also be used as the resistor.
Further, the interface circuit of the wireless transmitting chip further comprises an LED indication output terminal, and an output terminal of the encoding circuit is used as the LED indication output terminal.
Preferably, the number of the key input ends is four, and the four key input ends are respectively a first key input end, a second key input end, a third key input end and a fourth key input end.
A circuit based on a CMOS (complementary metal oxide semiconductor) process fully-integrated wireless transmitting chip is characterized in that an external inductor is connected between a key power supply output end and a power output end, the power output end is also connected with a matching network, and the matching network is connected with an antenna; and the power amplification circuit transmits the carrier signal generated by the clock oscillator and the modulation signal generated by the coding circuit to the wireless modulation signal through the external inductor, the matching network and the antenna.
Furthermore, the key input end is connected with a power supply through a key.
Preferably, the LED indication output end is connected with an LED light-emitting diode.
Preferably, the key power supply output end is connected with an LED through a resistor.
The utility model has the advantages that:
compared with the prior art, the wireless transmitting chip of the utility model integrates a high-precision on-chip clock oscillator, a key power supply module, a coding circuit, a power amplifying circuit, a band-gap reference circuit and a voltage stabilizing circuit, does not need a crystal oscillator and a sound meter device outside, and can realize the function of wireless transmitting only by a simple power amplifying circuit matching network; the whole wireless transmitting chip does not need to be connected with a power supply, and the power supply is realized by supplying power to the inside of the chip and the power supply output end of the key through the key. The defects of multiple components, high cost, inconvenience in PCB wiring and the like in the traditional scheme are overcome, and the integrated circuit board has the advantages of high integration level, simple system, convenience in PCB wiring and the like.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic diagram of an internal functional framework of a fully integrated wireless transmitting chip according to the present invention;
fig. 2 is a schematic circuit diagram of the key power supply circuit of the present invention;
fig. 3 is a system block diagram of a first embodiment of the fully integrated wireless transmitting chip circuit of the present invention;
fig. 4 is a system block diagram of a second embodiment of the fully integrated wireless transmitting chip circuit of the present invention;
fig. 5 is the utility model discloses a fully integrated wireless transmitting chip pin sketch map.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, a fully integrated wireless transmitting chip based on a CMOS process includes a clock oscillator 1, a key power supply module 2, an encoding circuit 3, a power amplifying circuit 4, a bandgap reference circuit 5 and a voltage stabilizing circuit 6; the interface circuit of the wireless transmitting chip comprises a key power supply output end VDD, a grounded power supply negative end input end GND, a power output end PAOUT and a plurality of key input ends D; after any one key input end D of the key power supply module 2 receives a signal, the key power supply module 2 transmits power to the band-gap reference circuit 5, the voltage stabilizing circuit 6 and the key power supply output end VDD; the band-gap reference circuit 5 provides a reference voltage which is irrelevant to the temperature for the voltage stabilizing circuit 6; the voltage stabilizing circuit 6 provides the internal core voltage V18 of the wireless transmitting chip for the clock oscillator 1, the coding circuit 3 and the power amplifying circuit 4; the clock oscillator 1 provides a carrier signal for the power amplifying circuit 4 and provides a clock signal for the coding circuit 3; the coding circuit 3 generates a wireless modulation signal; an output end of the power amplifying circuit 4 is used as the power output end PAOUT; and a plurality of key input ends D are led out from the key power supply module 2.
Further, referring to fig. 2, the key power supply module 2 is composed of a plurality of key power supply circuits, each key power supply circuit provides a key input terminal, and the key power supply circuit is composed of a field effect transistor PMOS transistor P0 and a common source NMOS transistor N0; the grid electrode of the field effect transistor PMOS pipe P0 is connected with the drain electrode output of the common source NMOS pipe N0, the source electrode of the field effect transistor PMOS pipe P0 is connected with the key input end D, and the drain electrode of the field effect transistor PMOS pipe P0 is connected with the key power supply output end VDD, the band gap reference circuit 5 and the voltage stabilizing circuit 6; the gate of the common source NMOS transistor N0 is connected to the key input end D, the source of the common source NMOS transistor N0 is grounded, and the drain of the common source NMOS transistor N0 is connected to the load resistor R2 and outputs a signal to the gate of the field effect transistor PMOS transistor P0.
Preferably, the key input end D is further connected to a pull-down resistor R3, and the other end of the pull-down resistor R3 is grounded; the gate of the common source NMOS transistor N0 is connected to the key input D through a resistor R1. The resistor R1, the load resistor R2 and the pull-down resistor R3 may be implemented in the form of resistors or MOS transistors.
Further, the interface circuit of the wireless transmitting chip further comprises an LED indicating output end LED, and an output end of the encoding circuit 3 serves as the LED indicating output end LED.
Preferably, as shown in fig. 5, the key inputs D include four, respectively a first key input D0, a second key input D1, a third key input D2 and a fourth key input D3.
Example 1:
referring to fig. 3, in a circuit based on a fully integrated wireless transmitting chip in a CMOS process, an external inductor L1 is connected between a key power supply output terminal VDD and a power output terminal PAOUT, the power output terminal PAOUT is further connected to a matching network 7, and the matching network 7 is connected to an antenna 8; the power amplifying circuit 4 transmits the carrier signal generated by the clock oscillator 1 and the modulation signal generated by the encoding circuit 3 to the wireless modulation signal through the external inductor L1, the matching network 7 and the antenna 8. And the key input end D is connected with a power supply through a key K. The LED indication output end LED is connected with an LED light-emitting diode 9.
Example 2:
referring to fig. 4, in the circuit of the fully integrated wireless transmitting chip based on the CMOS process, an external inductor L1 is connected between the key power supply output terminal VDD and the power output terminal PAOUT, the power output terminal PAOUT is further connected to a matching network 7, and the matching network 7 is connected to an antenna 8; the power amplifying circuit 4 transmits the carrier signal generated by the clock oscillator 1 and the modulation signal generated by the encoding circuit 3 to the wireless modulation signal through the external inductor L1, the matching network 7 and the antenna 8. And the key input end D is connected with a power supply through a key K. The key power supply output end VDD is connected to an LED 9 through a resistor R5.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. As shown in fig. 5, the layout view of the chip pins, the number of the keys, the change of the pin sequence, the change of the LED lamp position, and the like, all of which are within the spirit and principle of the present invention, and any modification, equivalent replacement, and improvement made should be included in the scope of the present invention.
Claims (10)
1. The fully integrated wireless transmitting chip realized based on the CMOS process is characterized in that: the wireless transmitting chip internally comprises a clock oscillator (1), a key power supply module (2), an encoding circuit (3), a power amplifying circuit (4), a band-gap reference circuit (5) and a voltage stabilizing circuit (6);
the interface circuit of the wireless transmitting chip comprises a key power supply output end (VDD), a grounded power supply negative end input end (GND), a power output end (PAOUT) and a plurality of key input ends (D);
after any key input end (D) of the key power supply module (2) receives a signal, the key power supply module (2) transmits power to the band-gap reference circuit (5), the voltage stabilizing circuit (6) and the key power supply output end (VDD);
the band-gap reference circuit (5) provides a reference voltage which is irrelevant to the temperature for the voltage stabilizing circuit (6);
the voltage stabilizing circuit (6) provides the internal core voltage (V18) of the wireless transmitting chip for the clock oscillator (1), the coding circuit (3) and the power amplifying circuit (4);
the clock oscillator (1) provides a carrier signal for the power amplification circuit (4) and simultaneously provides a clock signal for the coding circuit (3);
the encoding circuit (3) generates a wireless modulation signal;
an output end of the power amplifying circuit (4) is used as the power output end (PAOUT);
the key power supply module (2) is provided with a plurality of key input ends (D).
2. The fully integrated wireless transmitting chip realized based on the CMOS process according to claim 1, wherein: the key power supply module (2) is composed of a plurality of key power supply circuits, each key power supply circuit provides a key input end (D), and each key power supply circuit is composed of a field effect transistor PMOS (P0) and a common source NMOS (N0);
the grid electrode of the field effect transistor PMOS tube (P0) is connected with the drain electrode output of the common source NMOS tube (N0), the source electrode of the field effect transistor PMOS tube (P0) is connected with the key input end (D), and the drain electrode of the field effect transistor PMOS tube (P0) is connected with the key power supply output end (VDD), the band gap reference circuit (5) and the voltage stabilizing circuit (6);
the grid electrode of the common source NMOS tube (N0) is connected with the key input end (D), the source stage of the common source NMOS tube (N0) is grounded, and the drain electrode of the common source NMOS tube (N0) is connected with the load resistor (R2) and outputs a signal to the grid electrode of the field effect transistor PMOS tube (P0).
3. The fully integrated wireless transmitting chip realized based on the CMOS process according to claim 2, wherein: the grid electrode of the common source NMOS (N0) is connected with the key input end (D) through a resistor (R1); the key input end (D) is also connected with a pull-down resistor (R3), and the other end of the pull-down resistor (R3) is grounded.
4. The fully integrated wireless transmitting chip realized based on the CMOS process according to claim 3, wherein: the resistor (R1), the load resistor (R2) and the pull-down resistor (R3) can be realized in a form of a resistor or a MOS (metal oxide semiconductor) tube as the resistor.
5. The fully integrated wireless transmitting chip realized based on the CMOS process according to claim 1, wherein: the interface circuit of the wireless transmitting chip further comprises an LED indicating output end (LED), and an output end of the coding circuit (3) is used as the LED indicating output end (LED).
6. The fully integrated wireless transmitting chip realized based on the CMOS process according to claim 1, wherein: the key input terminals (D) include four, respectively a first key input terminal (D0), a second key input terminal (D1), a third key input terminal (D2) and a fourth key input terminal (D3).
7. A circuit of a fully integrated wireless transmitting chip realized based on a CMOS process according to any one of claims 1 to 6, wherein: an external inductor (L1) is connected between the key power supply output end (VDD) and the power output end (PAOUT), the power output end (PAOUT) is also connected with a matching network (7), and the matching network (7) is connected with an antenna (8); the power amplification circuit (4) transmits the carrier signal generated by the clock oscillator (1) and the modulation signal generated by the coding circuit (3) to the wireless modulation signal through the external inductor (L1), the matching network (7) and the antenna (8).
8. The circuit of claim 7, wherein the circuit of the fully integrated wireless transmitting chip is implemented based on a CMOS process, and comprises: the key input end (D) is connected with a power supply through a key (K).
9. The circuit of claim 5, wherein the circuit of the fully integrated wireless transmitting chip is realized based on a CMOS process, and is characterized in that: the LED indication output end (LED) is connected with an LED light-emitting diode (9).
10. The circuit of claim 7, wherein the circuit of the fully integrated wireless transmitting chip is implemented based on a CMOS process, and comprises: the key power supply output end (VDD) is connected with an LED light-emitting diode (9) through a resistor (R5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978269.5U CN210609126U (en) | 2019-06-27 | 2019-06-27 | Fully integrated wireless transmitting chip realized based on CMOS (complementary Metal oxide semiconductor) process and circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978269.5U CN210609126U (en) | 2019-06-27 | 2019-06-27 | Fully integrated wireless transmitting chip realized based on CMOS (complementary Metal oxide semiconductor) process and circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210609126U true CN210609126U (en) | 2020-05-22 |
Family
ID=70696317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920978269.5U Active CN210609126U (en) | 2019-06-27 | 2019-06-27 | Fully integrated wireless transmitting chip realized based on CMOS (complementary Metal oxide semiconductor) process and circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210609126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152645A (en) * | 2019-06-27 | 2020-12-29 | 苏州锐联芯半导体有限公司 | Fully-integrated wireless transmitting chip realized based on CMOS (complementary Metal oxide semiconductor) process and application thereof |
-
2019
- 2019-06-27 CN CN201920978269.5U patent/CN210609126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152645A (en) * | 2019-06-27 | 2020-12-29 | 苏州锐联芯半导体有限公司 | Fully-integrated wireless transmitting chip realized based on CMOS (complementary Metal oxide semiconductor) process and application thereof |
| CN112152645B (en) * | 2019-06-27 | 2024-05-03 | 苏州锐联芯半导体有限公司 | Fully-integrated wireless transmitting chip realized based on CMOS technology and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103166604B (en) | A kind of low-power consumption sheet internal clock produces circuit | |
| US7276984B2 (en) | Oscillation circuit capable of having stable oscillation in wide temperature range | |
| CN102064801B (en) | All-silicon clock generator realized on basis of complementary metal oxide semiconductor (CMOS) process | |
| US20030011418A1 (en) | Level shifting circuit | |
| CN104181965A (en) | Method for low power low noise input bias current compensation | |
| CN102457455A (en) | Low voltage differential signal transmitter | |
| CN210609126U (en) | Fully integrated wireless transmitting chip realized based on CMOS (complementary Metal oxide semiconductor) process and circuit thereof | |
| CN114138045B (en) | Low-power-consumption crystal oscillator oscillation starting circuit, chip and electronic equipment | |
| US9941885B2 (en) | Low power general purpose input/output level shifting driver | |
| CN103973231A (en) | Voltage adjustment circuit of amplification circuit and related adjustment method | |
| CN112152645B (en) | Fully-integrated wireless transmitting chip realized based on CMOS technology and application thereof | |
| CN219918909U (en) | Level conversion circuit, chip and electronic equipment | |
| CN210836533U (en) | Wireless receiving circuit and wireless control device | |
| US20140210564A1 (en) | Relaxation oscillator with self-biased comparator | |
| CN112671386A (en) | Novel high-voltage transmission gate circuit | |
| CN210983726U (en) | Fully-integrated wireless transmitting chip realized based on CMOS (complementary Metal-oxide-semiconductor transistor) process | |
| CN100353661C (en) | Intermediate frequency reference source | |
| CN214846434U (en) | Band gap reference circuit, integrated circuit, radio device, and electronic apparatus | |
| US6404231B1 (en) | Method and apparatus for electrically coupling digital devices | |
| CN102882471A (en) | Complementary metal oxide semiconductor (CMOS) process-based high-accuracy on-chip clock oscillator | |
| CN113296568A (en) | Band gap reference circuit, integrated circuit, radio device, and electronic apparatus | |
| CN109144929A (en) | A kind of RS232 communication interface circuit for supporting hot plug | |
| US20050036454A1 (en) | Transmission apparatus | |
| CN109615839B (en) | Coding chip and remote control device integrated with key power supply | |
| CN111835373A (en) | Novel SWP interface circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |