CN102735910B - Maximum peak voltage detection circuit - Google Patents
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- CN102735910B CN102735910B CN201110089932.4A CN201110089932A CN102735910B CN 102735910 B CN102735910 B CN 102735910B CN 201110089932 A CN201110089932 A CN 201110089932A CN 102735910 B CN102735910 B CN 102735910B
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Abstract
The invention relates to a maximum peak voltage detection circuit. The circuit comprises a voltage signal input terminal, a first comparator, a first capacitor, a first switch, a second switch, a first reset signal terminal, a third switch, a second comparator, a fourth switch, a flip-flop, a second capacitor and a fifth switch. The voltage signal input terminal is used to provide a voltage input signal. The first comparator is used to control switching motion of the first switch. The first reset signal terminal is used to control the switching motion of the second switch, the third switch and the fourth switch. The flip-flop is used to control the switching motion of the fifth switch.
Description
Technical field
The present invention relates to a kind of circuit for detecting, particularly relate to a kind of maximum peak voltage circuit for detecting that makes this circuit for detecting output terminal can synchronously store the voltage peak signal of output terminal.
Background technology
Existing known crest voltage circuit for detecting 200, as shown in No. 468050th, TaiWan, China bulletin patent, refer to Fig. 2, this crest voltage circuit for detecting 200 has an input signal end 210, one comparer 220, one with door 230, one input trigger 240, one grid width is controlled block 250, at least one current source 260, at least one switch 270 and a capacitor 280, this input signal end 210 can produce an input signal, one positive terminal 221 of this comparer 220 and this input trigger 240 are electrically connected this input signal end 210, this grid width is controlled block 250 and is electrically connected this input trigger 240, should be electrically connected with one end of door 230 output terminal 223 of this comparer 220, should be electrically connected with the other end of door 230 this grid width and control block 250, this first switch 260 is electrically connected this capacitor 280 or this first current source 270 and is somebody's turn to do and door 230, this second switch 261 is electrically connected this second current source 271 or this grid width is controlled block 250 and this capacitor 280, this crest voltage circuit for detecting 200 is controlled block 250 by this and door 230 these first switches 260 of control and this grid width and is controlled these second switches 261 to determine the charge or discharge action of this capacitor 280, output waveform by this capacitor 280 can be learnt, this detector still causes the signal attenuation of this input signal, therefore the output signal of this capacitor 280 cannot effectively accurately obtain the voltage peak of this input signal.
As can be seen here, above-mentioned existing circuit for detecting, in structure and use, obviously still has inconvenience and defect, and is urgently further improved.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but have no for a long time applicable design always, by development, completed, and common product does not have appropriate structure to address the above problem, this is obviously the problem that the anxious wish of relevant dealer solves.Therefore how to found a kind of novel crest voltage circuit for detecting, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The object of the invention is to, overcome the defect that existing circuit for detecting exists, and provide a kind of novel maximum peak voltage circuit for detecting, by the second comparer, the electrical connection of trigger and the 5th switch, when the voltage peak of the voltage signal of this first voltage end is lower than the voltage peak that was originally stored in the voltage signal of this second voltage end, this the second comparer system can make this trigger export an electronegative potential signal, therefore the 5th open relation and this second voltage end maintain and open circuit and make this second voltage end still maintain the voltage peak of original storage, when the voltage peak of the voltage signal of this first voltage end is higher than the voltage peak that was originally stored in the voltage signal of this second voltage end, this the second comparer system can make this trigger export a noble potential signal, therefore the 5th open relation switches to this second voltage end and makes this first voltage end be electrically connected this second voltage end, therefore the voltage peak that this second voltage end system can be higher with this first voltage end synchronous access, the present invention can effectively promote the degree of accuracy of the voltage peak that is accessed in this second voltage end, be very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.Its proposition according to the present invention comprises: a voltage signal input end, and it is in order to provide a voltage input signal; One first comparer, it is electrically connected this voltage signal input end; One first electric capacity, it has one first voltage end, and this first electric capacity is electrically connected this first comparer; One first switch, it can be electrically connected this voltage signal input end and this first comparer or this first electric capacity; One second switch, it is electrically connected this first electric capacity and this first comparer; One first reset signal end, it is electrically connected this second switch; One the 3rd switch, it can be electrically connected this second switch and this first reset signal end; One second comparer, it is electrically connected the 3rd switch; One the 4th switch, it can be electrically connected this first comparer, this first electric capacity and this second switch or this second comparer and the 3rd switch; One trigger, it is electrically connected this second comparer; One second reset signal end, it is electrically connected this trigger; One second electric capacity, it has a second voltage end, and this second electric capacity is electrically connected this second comparer; And one the 5th switch, it can be electrically connected one end of the 3rd switch, this second comparer and the other end of this trigger or this second comparer and this second electric capacity, wherein this first comparer is in order to control the switching action of this first switch, this the first reset signal end is in order to control the switching action of this second switch, the 3rd switch and the 4th switch, and this trigger is in order to control the switching action of the 5th switch.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid maximum peak voltage circuit for detecting, wherein said its separately has a phase inverter, and one end of this phase inverter is electrically connected this first reset signal end, and the other end of this phase inverter is electrically connected the 4th switch.
Aforesaid maximum peak voltage circuit for detecting, wherein said this trigger has a frequency receiving end, a signal output part and a reset signal receiving end, this second comparer is electrically connected this frequency receiving end, the 5th switch is electrically connected this signal output part, and this second reset signal end is electrically connected this reset signal receiving end.
Aforesaid maximum peak voltage circuit for detecting, wherein said this first comparer has a positive terminal, a negative pole end and an output terminal, this voltage signal input end is electrically connected this positive terminal, the first voltage end of this first electric capacity, this second switch and the 4th switch are electrically connected this negative pole end, and this first switch is electrically connected this output terminal.
Aforesaid maximum peak voltage circuit for detecting, wherein said its separately has the 6th switch that one the 3rd replacement signal end and is electrically connected the 3rd replacement signal end, the 6th switch is electrically connected this second voltage end of this second comparer and this second electric capacity, and the 3rd replacement signal end is in order to control the switching action of the 6th switch.
Aforesaid maximum peak voltage circuit for detecting, wherein said its another this second comparer has a positive terminal, a negative pole end and an output terminal, the 3rd switch and the 5th switch are electrically connected this positive terminal, this second voltage end and the 6th switch of this second electric capacity are electrically connected this negative pole end, and this trigger is electrically connected this output terminal.
Aforesaid maximum peak voltage circuit for detecting, wherein said its separately has a power supply unit, and this power supply unit is electrically connected this first comparer and this second comparer.
The present invention compared with prior art has obvious advantage and beneficial effect.As known from the above, for achieving the above object, the invention provides a kind of maximum peak voltage circuit for detecting, it comprises a voltage signal input end, one first comparer, one first electric capacity, one first switch, one second switch, one first reset signal end, one the 3rd switch, one second comparer, one the 4th switch, one trigger, one second reset signal end, one second electric capacity and one the 5th switch, this voltage signal input end is in order to provide a voltage input signal, the first comparer is electrically connected this voltage signal input end, this first electric capacity has one first voltage end, this first electric capacity is electrically connected this first comparer, this first switch is electrically connected this voltage signal input end and this first comparer or this first electric capacity, this second switch is electrically connected this first electric capacity and this first comparer, this the first reset signal end is electrically connected this second switch, the 3rd switch is electrically connected this second switch and this first reset signal end, this second comparer is electrically connected the 3rd switch, the 4th switch is electrically connected this first comparer, this first electric capacity and this second switch or this second comparer and the 3rd switch, this trigger is electrically connected this second comparer, this the second reset signal end is electrically connected this trigger, this second electric capacity has a second voltage end, this second electric capacity is electrically connected this second comparer, the 5th switch is electrically connected the 3rd switch, the other end of one end of this second comparer and this trigger or this second comparer and this second electric capacity, wherein this first comparer is in order to control the switching action of this first switch, this the first reset signal end is in order to control this second switch, the switching action of the 3rd switch and the 4th switch, this trigger is in order to control the switching action of the 5th switch.The present invention is by the switching action of the 4th switch and the 5th switch, can make this first voltage end and this second voltage end can synchronously store the voltage peak of this voltage signal, in addition, comparing function by this second comparer, if input subsequently the peak value of this voltage signal of this first voltage end lower than the peak value that was originally stored in this voltage signal of this second voltage end, this trigger is exported a low-potential signal and is made the 5th switch and this second electric capacity be off state, otherwise, if input subsequently the peak value of this voltage signal of this first voltage end higher than the peak value that was originally stored in this voltage signal of this second voltage end, this trigger is exported a high potential signal and is made this second electric capacity can store the voltage peak of this higher voltage signal, when the present invention can effectively avoid this voltage input signal to be stored in this first voltage end, the voltage peak of the voltage input signal of this second voltage end is not less than the voltage peak of the voltage input signal of this first voltage end.
By technique scheme, maximum peak voltage circuit for detecting of the present invention at least has following advantages and beneficial effect: the present invention is by the second comparer, the electrical connection of trigger and the 5th switch, when the voltage peak of the voltage signal of this first voltage end is lower than the voltage peak that was originally stored in the voltage signal of this second voltage end, this the second comparer system can make this trigger export an electronegative potential signal, therefore the 5th open relation and this second voltage end maintain and open circuit and make this second voltage end still maintain the voltage peak of original storage, when the voltage peak of the voltage signal of this first voltage end is higher than the voltage peak that was originally stored in the voltage signal of this second voltage end, this the second comparer system can make this trigger export a noble potential signal, therefore the 5th open relation switches to this second voltage end and makes this first voltage end be electrically connected this second voltage end, this second voltage end system can be higher with this first voltage end synchronous access voltage peak, therefore the present invention can effectively promote the degree of accuracy of the voltage peak that is accessed in this second voltage end.
In sum, the present invention comprises a voltage signal input end, one first comparer, one first electric capacity, one first switch, one second switch, one first reset signal end, one the 3rd switch, one second comparer, one the 4th switch, one trigger, one second electric capacity and one the 5th switch, this voltage signal input end is in order to provide a voltage input signal, this first comparer is in order to control the switching action of this first switch, this the first reset signal end is in order to control this second switch, the switching action of the 3rd switch and the 4th switch, this trigger is in order to control the switching action of the 5th switch.The present invention is a significant progress in technology, and has obvious good effect, is really a new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1: according to the first preferred embodiment of maximum peak voltage circuit for detecting of the present invention, a kind of circuit diagram of maximum peak voltage circuit for detecting.
Fig. 2: the circuit diagram of existing known crest voltage circuit for detecting.
1: maximum peak voltage circuit for detecting 10: voltage signal input end
Within 20: the first, comparer 21: positive terminal
22: negative pole end 23: output terminal
31: the first voltage ends of 30: the first electric capacity
Within 40: the first, switch 50: second switch
70: the three switches of 60: the first reset signal ends
Within 80: the second, comparer 81: positive terminal
82: negative pole end 83: output terminal
90: the four switches 100: trigger
101: frequency receiving end 102: signal output part
103: 110: the second reset signal ends of reset signal receiving end
Within 120: the second, electric capacity 121: second voltage end
130: the five switches 140: phase inverter
150: 160: the three replacement signal ends of power supply unit
170: the six switches 200: crest voltage circuit for detecting
210: input signal end 220: comparer
221: positive terminal 222: negative pole end
223: output terminal 230: with door
240: input trigger 250: grid width is controlled block
Within 260: the first, switch 261: second switch
271: the second current sources of 270: the first current sources
280: capacitor
Embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of maximum peak voltage circuit for detecting, structure, feature and effect thereof to proposing according to the present invention, be described in detail as follows.
Refer to Fig. 1, it is a preferred embodiment of the present invention, a kind of maximum peak voltage circuit for detecting 1 comprises a voltage signal input end 10, one first comparer 20, one first electric capacity 30, one first switch 40, one second switch 50, one first reset signal end 60, one the 3rd switch 70, one second comparer 80, one the 4th switch 90, one trigger 100, one second reset signal end 110, one second electric capacity 120 and one the 5th switch 130, this voltage signal input end 10 is in order to provide a voltage input signal, the first comparer 20 is electrically connected this voltage signal input end 10, this first electric capacity 30 has one first voltage end 31, this first electric capacity 30 is electrically connected this first comparer 20, this first switch 40 is electrically connected this voltage signal input end 10 and this first comparer 20 or this first electric capacity 30, this second switch 50 is electrically connected this first electric capacity 30 and this first comparer 20, this the first reset signal end 60 is electrically connected this second switch 50, the 3rd switch 70 is electrically connected this second switch 50 and this first reset signal end 60, this second comparer 80 is electrically connected the 3rd switch 70, the 4th switch 90 is electrically connected this first comparer 20, this first electric capacity 30 and this second switch 50 or the 3rd switch 70 and this second comparer 80, this trigger 100 is electrically connected this second comparer 80, this the second reset signal end 110 is electrically connected this trigger 100, this second electric capacity 120 has a second voltage end 121, this the second electric capacity 120 is electrically connected one end of this second comparer 80, the 5th switch 130 is electrically connected the 3rd switch 70, the other end of one end of this second comparer 80 and this trigger 100 or this second comparer 80 and this second electric capacity 120, wherein this first comparer 20 is in order to control the switching action of this first switch 40, this the first reset signal end 60 is in order to control this second switch 50, the switching action of the 3rd switch 70 and the 4th switch 90, this trigger 100 is in order to control the switching action of the 5th switch 130.
Referring again to Fig. 1, when this maximum peak voltage circuit for detecting 1 must be done the action of resetting during in initial position, in the present embodiment, Figure 1 shows that the initial position of described switch, first, these the first reset signal end 60 input noble potentials, these the second reset signal end 110 input electronegative potentials, the noble potential of this first reset signal end 60 can make this second switch 50 and the 3rd switch 70 switch to ground connection, the 4th switch 90 maintains closes, the electronegative potential of this second reset signal end 110 can make the 5th switch 130 maintain initial position, because this second switch 50 switches to ground connection, therefore the initial voltage that is stored in this first electric capacity 30 can be discharged to zero volt spy via ground connection, in addition, in the present embodiment, this trigger 100 has a frequency receiving end 101, one signal output part 102 and a reset signal receiving end 103, this second comparer 80 is electrically connected this frequency receiving end 101, the 5th switch 130 is electrically connected this signal output part 102, this the second reset signal end 110 is electrically connected this reset signal receiving end 103, because the 3rd switch 70 switches to ground connection, therefore these the second comparer 80 output one electronegative potentials make this signal output part 102 be output as zero volt spy to this frequency receiving end 101, again, this maximum peak voltage circuit for detecting 1 separately has a phase inverter 140, one end of this phase inverter 140 is electrically connected this first reset signal end 60, the other end of this phase inverter 140 is electrically connected the 4th switch 90, the 4th switch 90 maintains the 4th switch 90 via this phase inverter 140 output one electronegative potentials to cut out, make this second voltage end 121 not affected by the discharging action of this first voltage end 31.
Then, referring again to Fig. 1, after replacement release, these the first reset signal end 60 output one electronegative potentials, the second reset signal end 110 maintains electronegative potential, this the first reset signal end 60 makes this second switch 50 and the 3rd switch 70 switch to initial position, the 4th switch 90 inspires confidence in logical, now this voltage signal input end 10 can provide this voltage input signal, in the present embodiment, this first comparer 20 has a positive terminal 21, one negative pole end 22 and an output terminal 23, this voltage signal input end 10 is electrically connected this positive terminal 21, the first voltage end 31 of this first electric capacity 30, this second switch 50 and the 4th switch 90 are electrically connected this negative pole end 22, this first switch 40 is electrically connected this output terminal 23, because this voltage input signal is greater than the electronegative potential of this first reset signal end 60, therefore the exportable high potential signal of this output terminal 23 of this first comparer 20 and make this first switch 40 switch to this first voltage end 31, therefore this voltage input signal is delivered to this first electric capacity 30 and charges, in the present embodiment, this second comparer 80 has a positive terminal 81, one negative pole end 82 and an output terminal 83, the 3rd switch 70 and the 5th switch 130 are electrically connected this positive terminal 81, this second voltage end 121 of this second electric capacity 120 is electrically connected this negative pole end 82, this frequency receiving end 101 of this trigger 100 is electrically connected this output terminal 83, when the 4th switch 90 conducting, this first voltage end 31 can be electrically connected this positive terminal 81, due to the terminal voltage of this positive terminal 81 now terminal voltage higher than this negative pole end 82, therefore the exportable noble potential of this output terminal 83 and make these signal output part 102 output one high potential signals of this trigger 100, therefore the 5th switch 130 can switch to this second voltage end 121, this first voltage end 31 of this first electric capacity 30 makes the voltage peak of this voltage input signal can synchronously be stored in this first electric capacity 30 and this second electric capacity 120 because being electrically connected this second voltage end 121 of this second electric capacity 120.
Referring again to Fig. 1, in the present embodiment, this voltage input signal of this voltage signal input end 10 upgrades once at every 80us, and the terminal voltage of this first voltage end 31 repeats above-mentioned replacement action by this first reset signal end 60 at every 80us, each replacement time remaining 10us, each, reset before action, this the second reset signal end 110 is done sth. in advance 10us than this first reset signal end 60 provides noble potential, it makes the 5th switch 130 can recover in advance the initial position action of resetting again, to avoid the discharging action of this first voltage end 31 to affect this second voltage end 121, in the present embodiment, if input subsequently the voltage peak of this voltage signal of this first voltage end 31 lower than the voltage peak that was originally stored in this voltage signal of this second voltage end 121, these positive terminal 81 voltages of this second comparer 80 make these signal output part 102 output one low-potential signals of this trigger 100 because being less than these negative pole end 82 voltages, therefore the 5th switch 130 can maintain initial position, this second voltage end 121 still can maintain the voltage peak level that was originally stored in this second electric capacity 120, on the contrary, if input subsequently the voltage peak of this voltage signal of this first voltage end 31 higher than the voltage peak that was originally stored in this voltage signal of this second voltage end 121, these positive terminal 81 voltages of this second comparer 80 make these signal output part 102 output one high potential signals of this trigger 100 because being greater than these negative pole end 82 voltages, now the 5th switch 130 can switch to this second voltage end 121, this second voltage end 121 makes this second electric capacity 120 can store the voltage peak of this higher voltage input signal because being electrically connected once again this first voltage end 31.
Referring again to Fig. 1, this maximum peak voltage circuit for detecting 1 separately has a power supply unit 150, one the 3rd replacement signal end 160 and one is electrically connected the 6th switch 170 of the 3rd replacement signal end 160, this power supply unit 150 is electrically connected this first comparer 20 and this second comparer 80, the 6th switch 170 is electrically connected this negative pole end 82 of this second comparer 80 and this second voltage end 121 of this second electric capacity 120, the 3rd replacement signal end 160 is in order to control the switching action of the 6th switch 170, in the present embodiment, if want, carry out the signal input action of another voltage input signal, the 3rd replacement signal end 160 can be inputted a noble potential and make the 6th switch 170 be switched to ground connection, this second electric capacity 120 is discharged to zero volt spy because being electrically connected to ground connection.The present invention moves and makes this first voltage end 31 be electrically connected these second voltage ends 121 by the switching of the 4th switch 90 and the 5th switch 130, therefore this first electric capacity 30 and this second electric capacity 120 can synchronously store the voltage peak of this voltage input signal of this voltage signal input end 10, in addition, comparing function by this second comparer 80, if input subsequently the voltage peak of this voltage input signal of this first voltage end 31 lower than the voltage peak that was originally stored in this voltage input signal of this second voltage end 121, this trigger 100 is exported low-potential signals and is made the 5th switch 130 be off state with this second electric capacity 120, this second voltage end 121 still can maintain the voltage peak level that was originally stored in this second electric capacity 120, otherwise, if if the voltage peak of this voltage input signal of inputting subsequently this first voltage end 31 is higher than the voltage peak that was originally stored in this voltage input signal of this second voltage end 121, this trigger 100 is exported a high potential signal and is made this second electric capacity 120 can store the voltage peak of this higher voltage input signal, when the present invention can effectively avoid this voltage input signal to be stored in this first voltage end 31, the voltage peak of the voltage input signal of this second voltage end 121 is not less than the voltage peak of the voltage input signal of this first voltage end 31.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. a maximum peak voltage circuit for detecting, is characterized in that it comprises:
One voltage signal input end, it is in order to provide a voltage input signal;
One first comparer, it has a positive terminal, a negative pole end and an output terminal, and this voltage signal input end is electrically connected this positive terminal;
One first electric capacity, it has one first voltage end, and this first voltage end of this first electric capacity is electrically connected this negative pole end of this first comparer;
One first switch, it has a control end, a first end and one second end, this control end is electrically connected this output terminal of this first comparer, this first end is electrically connected this positive terminal of this voltage signal input end and this first comparer, and this second end is electrically connected this first voltage end of this first electric capacity;
One second switch, it has a control end and a first end, and this first end is electrically connected this first voltage end of this first electric capacity and this negative pole end of this first comparer;
One first reset signal end, it is electrically connected this control end of this second switch;
One the 3rd switch, it has a control end and a first end, and this first end can be electrically connected this first end of this second switch, and this control end is electrically connected this first reset signal end;
One second comparer, it has a positive terminal, a negative pole end and an output terminal, and this positive terminal is electrically connected this first end of the 3rd switch;
One the 4th switch, it has a control end, a first end and one second end, this first end is electrically connected this first end of this negative pole end of this first comparer, this first voltage end of this first electric capacity and this second switch, and this second end is electrically connected this positive terminal of this second comparer and this first end of the 3rd switch;
One trigger, it has a frequency receiving end, a signal output part and a reset signal receiving end, and this frequency receiving end is electrically connected this output terminal of this second comparer;
One second reset signal end, it is electrically connected this reset signal receiving end of this trigger;
One second electric capacity, it has a second voltage end, and this second voltage end is electrically connected this negative pole end of this second comparer; And
One the 5th switch, it has a control end, one first end and one second end, this first end is electrically connected this first end of the 3rd switch, this positive terminal of this second comparer, this control end is electrically connected this signal output part of this trigger, this second end is electrically connected this negative pole end of this second comparer and this second voltage end of this second electric capacity, wherein this first comparer is in order to control the switching action of this first switch, this the first reset signal end is in order to control this second switch, the switching action of the 3rd switch and the 4th switch, this trigger is in order to control the switching action of the 5th switch.
2. maximum peak voltage circuit for detecting as claimed in claim 1, is characterized in that it separately has a phase inverter, and one end of this phase inverter is electrically connected this first reset signal end, and the other end of this phase inverter is electrically connected this control end of the 4th switch.
3. maximum peak voltage circuit for detecting as claimed in claim 1, it is characterized in that it separately has the 6th switch that one the 3rd replacement signal end and is electrically connected the 3rd replacement signal end, the 6th switch has a control end and a first end, this first end of the 6th switch is electrically connected this negative pole end of this second comparer and this second voltage end of this second electric capacity, and the 3rd replacement signal end is in order to control the switching action of the 6th switch.
4. maximum peak voltage circuit for detecting as claimed in claim 1, is characterized in that it separately has a power supply unit, and this power supply unit is electrically connected this first comparer and this second comparer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089932.4A CN102735910B (en) | 2011-04-08 | 2011-04-08 | Maximum peak voltage detection circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089932.4A CN102735910B (en) | 2011-04-08 | 2011-04-08 | Maximum peak voltage detection circuit |
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| CN102735910A CN102735910A (en) | 2012-10-17 |
| CN102735910B true CN102735910B (en) | 2014-10-29 |
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| CN111580117A (en) * | 2019-02-19 | 2020-08-25 | 光宝电子(广州)有限公司 | Control method of flight time distance measurement sensing system |
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| JP2003215173A (en) * | 2002-01-23 | 2003-07-30 | Nec Microsystems Ltd | Peak-holding circuit |
| KR20080059152A (en) * | 2005-09-06 | 2008-06-26 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Electromagnetic emission event detection and measurement device |
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- 2011-04-08 CN CN201110089932.4A patent/CN102735910B/en active Active
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| US4074149A (en) * | 1973-11-09 | 1978-02-14 | U.S. Philips Corporation | Peak detecting with constant fractional offset |
| JPS56107167A (en) * | 1980-01-31 | 1981-08-25 | Advantest Corp | Peak voltage detection device |
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| TW468050B (en) * | 2000-06-07 | 2001-12-11 | Macronix Int Co Ltd | Peak detector |
| CN2519284Y (en) * | 2001-10-11 | 2002-10-30 | 华为技术有限公司 | Mutual complementing differential peak value detecting circuit |
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| Publication number | Publication date |
|---|---|
| CN102735910A (en) | 2012-10-17 |
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