CN102854909A - Circuit capable of reducing power consumption of radio frequency/analogue integrated circuit - Google Patents
Circuit capable of reducing power consumption of radio frequency/analogue integrated circuit Download PDFInfo
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- CN102854909A CN102854909A CN2012103473652A CN201210347365A CN102854909A CN 102854909 A CN102854909 A CN 102854909A CN 2012103473652 A CN2012103473652 A CN 2012103473652A CN 201210347365 A CN201210347365 A CN 201210347365A CN 102854909 A CN102854909 A CN 102854909A
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- circuit
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- reference current
- curtage
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Abstract
The invention relates to a circuit capable of reducing the power consumption of a radio frequency/analogue integrated circuit. The circuit comprises a current or voltage reference module and a decoder module connected at an input end of the current or voltage reference module, wherein the current or voltage reference module also comprises an output end control circuit; the output end control circuit comprises a plurality of control units; the control units comprise switch MOS (Metal Oxide Semiconductor) tubes and reference MOS tubes; D electrodes of the switch MOS tubes are connected with S electrodes of the reference MOS tubes; G electrodes of the switch MOS tubes are connected with an output end of a nand gate circuit; G electrodes of the reference MOS tubes are connected with an output end of a reference current or voltage generating circuit; adjusted reference current or voltage are output by D electrodes of the reference MOS tubes; and the sizes of the reference MOS tubes in each control unit are different. The circuit disclosed by the invention is capable of solving the technical problems that the reference current or voltage provided by the conventional circuit are uncontrollable and the power consumption is high and realizing the purpose of externally controlling the reference current or voltage, so that the power consumption of the circuit is reduced.
Description
Technical field
The present invention relates to a kind of radio frequency/Analogous Integrated Electronic Circuits, relate in particular to a kind of circuit that reduces IC power consumption.
Background technology
Existing radio frequency/Analogous Integrated Electronic Circuits, the reference circuit that offers each several part circuit working curtage is just unique definite after design is finished, and external control signal can not be controlled, and the power consumption of circuit working can not change.Can't change according to demand power consumption, cause the waste of energy power consumption.
Summary of the invention
The uncontrollable high technical matters of power consumption that causes of reference current that provides in order to solve existing radio frequency/Analogous Integrated Electronic Circuits, the invention provides a kind of programmable method that reduces IC power consumption, overcome the defective of prior art, utilize the method for control circuit module dissipation in the digital integrated circuit, proposing the curtage reference value can be with the circuit of external signal control, i.e. reduction circuit power consumption able to programme.
Technical solution of the present invention:
A kind of circuit that reduces radio frequency/Analogous Integrated Electronic Circuits power consumption, comprise the curtage base modules, the start-up circuit that described curtage base modules comprises for generation of the reference current of reference current or reference voltage or voltage generation circuit, is used for the input end control circuit that control curtage base modules opens and shuts off and is used for the control reference current or voltage generation circuit is opened
Its special character is:
Also comprise the decoder module that is connected to curtage base modules input end, described decoder module comprises phase inverter and NAND gate circuit,
Described curtage base modules also comprises the output terminal control circuit,
Described output terminal control circuit comprises a plurality of control modules, described control module comprises switch MOS pipe and benchmark metal-oxide-semiconductor, the D utmost point of described switch MOS pipe is connected with the S utmost point of benchmark metal-oxide-semiconductor, the G utmost point of described switch MOS pipe is connected the control bit signal that is used for the output of receiver decoder module with the output terminal of NAND gate circuit, the G utmost point of described benchmark metal-oxide-semiconductor is connected with the output terminal of reference current or voltage generation circuit, reference current or voltage after the D utmost point output of described benchmark metal-oxide-semiconductor is regulated, the benchmark metal-oxide-semiconductor size in each control module is different.
The present invention has advantages of:
1, the invention discloses a kind of radio frequency/Analogous Integrated Electronic Circuits able to programme that reduces power consumption, comprise decoder module and curtage base modules, export corresponding control bit signal after the binary control signal decoding of decoder module with the outside input, the curtage base modules is exported reference current or the voltage of required size according to the control bit signal.Because each module working current of radio frequency/Analogous Integrated Electronic Circuits is provided by reference current, has also just realized able to programmeization of circuit power consumption so realized the controlled inhibition and generation of reference current.
2, the present invention makes able to programmeization of reference circuit that reference current or voltage are provided for each operational module in radio frequency/Analogous Integrated Electronic Circuits, be that reference current or voltage can be controlled with external control signal, thereby make circuit power consumption and performance reach best trading off, have simple in structure, be easy to realize, save energy power consumption, use face width, the controlled characteristics of power consumption.
Description of drawings
Fig. 1 is the one-piece construction schematic block diagram of circuit of the present invention;
Fig. 2 is a kind of embodiment circuit diagram of curtage base modules of the present invention; Be that control signal is two, the circuit diagram of four control bit signals of code translator output.
Embodiment
Below in conjunction with accompanying drawing content of the present invention is described further: with reference to shown in Figure 1, power consumption Programmable Design scheme one-piece construction of the present invention is divided into two circuit function modules: decoder module and curtage base modules.The decoder module circuit theory is the decoding scheme of digital circuit Plays.Decoder module is with the N position binary control signal I＜N:0 of external world's input〉the rear output of decoding corresponding control bit signal ob＜2
N+1-1:0〉enter the curtage base modules, the curtage base modules is in control bit signal ob＜2
N+1-1:0〉adjusting under output required size reference current I
Benchmark
Fig. 2 is a kind of schematic diagram of the curtage base modules circuit among Fig. 1, and corresponding control signal is two, four control bit signals of decoder module output; Curtage base modules circuit is comprised of four parts, comprises input end control circuit, reference current or voltage generation circuit, start-up circuit, output terminal control circuit.The input end control circuit is comprised of field effect transistor M1, M2, M3, M6, M7 and phase inverter inv, controls opening and shutting off of whole curtage base modules; The loop that reference current generating circuit is comprised of field effect transistor M4, M5, resistance R 1, R2 and triode Q1～Q4, this loop produce not the initial baseline electric current with mains voltage variations; The output terminal control circuit is field effect transistor M9～M16, wherein M13～16 are the switch MOS pipe, grid connects the control bit signal of decoder module output, the reference currents of the different sizes of path output of the benchmark metal-oxide-semiconductor by control different size (being different area); All the other device triode Q5, field effect transistor M8, resistance R 3, R4, capacitor C 1 consist of start-up circuit, guarantee that reference current or voltage generation circuit can work after powering on or opening.
Table 1 reference current output state table
Ultimate principle of the present invention: radio frequency able to programme/Analogous Integrated Electronic Circuits structure is divided into two circuit function modules, by decoder module and curtage base modules two large the electric circuit constitutes; Decoder module realizes with DLC (digital logic circuit), and its effect is with the corresponding control bit signal of output after the binary control signal decoding of outside input.Output terminal in the curtage base modules increases many paths, in each bar path, adopt the benchmark metal-oxide-semiconductor that plays the benchmark effect of different size that different big or small reference current or voltages are provided, increase a switch MOS pipe that plays on-off action in each path, its on off state is by the control bit signal controlling of code translator output again.When wherein a path was opened, other paths all were in off state, provide reference current or voltage by the path that is in open mode, thereby reached the purpose of control reference current or voltage swing.Because each module working current of radio frequency/Analogous Integrated Electronic Circuits is provided by reference current, so realized controlling of reference current, also realized the able to programme of circuit power consumption simultaneously.
Claims (1)
1. circuit that reduces radio frequency/Analogous Integrated Electronic Circuits power consumption, comprise the curtage base modules, the start-up circuit that described curtage base modules comprises for generation of the reference current of reference current or reference voltage or voltage generation circuit, is used for the input end control circuit that control curtage base modules opens and shuts off and is used for the control reference current or voltage generation circuit is opened
It is characterized in that:
Also comprise the decoder module that is connected to curtage base modules input end, described decoder module comprises phase inverter and NAND gate circuit,
Described curtage base modules also comprises the output terminal control circuit,
Described output terminal control circuit comprises a plurality of control modules, described control module comprises switch MOS pipe and benchmark metal-oxide-semiconductor, the D utmost point of described switch MOS pipe is connected with the S utmost point of benchmark metal-oxide-semiconductor, the G utmost point of described switch MOS pipe is connected the control bit signal that is used for the output of receiver decoder module with the output terminal of NAND gate circuit, the G utmost point of described benchmark metal-oxide-semiconductor is connected with the output terminal of reference current or voltage generation circuit, reference current or voltage after the D utmost point output of described benchmark metal-oxide-semiconductor is regulated, the benchmark metal-oxide-semiconductor size in each control module is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103473652A CN102854909A (en) | 2012-09-18 | 2012-09-18 | Circuit capable of reducing power consumption of radio frequency/analogue integrated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103473652A CN102854909A (en) | 2012-09-18 | 2012-09-18 | Circuit capable of reducing power consumption of radio frequency/analogue integrated circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102854909A true CN102854909A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103473652A Pending CN102854909A (en) | 2012-09-18 | 2012-09-18 | Circuit capable of reducing power consumption of radio frequency/analogue integrated circuit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070018630A1 (en) * | 2004-01-14 | 2007-01-25 | Jurgen Oehm | Transistor arrangement with temperature compensation and method for temperature compensation |
| CN2914164Y (en) * | 2005-11-03 | 2007-06-20 | 西安华迅微电子有限公司 | Programmable analog integrated circuit chip able to reduce power consumption |
| CN101118449A (en) * | 2006-07-31 | 2008-02-06 | 阿纳洛格装置公司 | Low-noise programmable current source |
| EP2169824A1 (en) * | 2008-09-25 | 2010-03-31 | Moscad Design & Automation Sàrl | A switched capacitor error amplifier circuit for generating a precision current reference or for use in a precision oscillator |
| CN102156506A (en) * | 2010-02-11 | 2011-08-17 | 半导体元件工业有限责任公司 | Circuits and methods of producing a reference current or voltage |
-
2012
- 2012-09-18 CN CN2012103473652A patent/CN102854909A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070018630A1 (en) * | 2004-01-14 | 2007-01-25 | Jurgen Oehm | Transistor arrangement with temperature compensation and method for temperature compensation |
| CN2914164Y (en) * | 2005-11-03 | 2007-06-20 | 西安华迅微电子有限公司 | Programmable analog integrated circuit chip able to reduce power consumption |
| CN101118449A (en) * | 2006-07-31 | 2008-02-06 | 阿纳洛格装置公司 | Low-noise programmable current source |
| EP2169824A1 (en) * | 2008-09-25 | 2010-03-31 | Moscad Design & Automation Sàrl | A switched capacitor error amplifier circuit for generating a precision current reference or for use in a precision oscillator |
| CN102156506A (en) * | 2010-02-11 | 2011-08-17 | 半导体元件工业有限责任公司 | Circuits and methods of producing a reference current or voltage |
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Application publication date: 20130102 |