CN210380793U - Drive control circuit of frequency hopping filter - Google Patents
Drive control circuit of frequency hopping filter Download PDFInfo
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- CN210380793U CN210380793U CN201921599574.XU CN201921599574U CN210380793U CN 210380793 U CN210380793 U CN 210380793U CN 201921599574 U CN201921599574 U CN 201921599574U CN 210380793 U CN210380793 U CN 210380793U
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Abstract
The utility model relates to a frequency hopping filter's drive control circuit, including the control unit, drive circuit, switch circuit, wherein, the control unit links to each other with the drive circuit electrical property, drive circuit links to each other with the switch circuit electrical property, switch circuit and external frequency hopping filter electric connection. The utility model discloses in, external signal input equipment passes through IO end input control signal, when IO end input is the low level, triode Q1 switches on, and triode Q2 is out of work, and drive circuit's Vout end is in high level state, and diode D2 among the switch circuit is reverse to be ended, and diode D3 is also reverse to be ended, and electric capacity C3 is in off-working state, the utility model discloses can realize about cost, the triode among the drive circuit is fast simultaneously to make switch drive fast, delay time is short.
Description
Technical Field
The utility model relates to the technical field of circuits, especially, relate to a drive control circuit of frequency hopping filter.
Background
With the continuous development and progress of society, the filter is also widely applied to the field of signal processing, and the filter is a filter circuit consisting of a capacitor, an inductor and a resistor. The power supply device can filter the frequency point of specific frequency in the power line, and can also filter other frequency points except the frequency point, so that a power supply signal of specific frequency is obtained, or the power supply signal after the specific frequency is eliminated. The filtering is very important in signal processing, and in a direct current stabilized power supply, an alternating current component in a direct current voltage can be reduced, so that the output voltage ripple coefficient is low, and the waveform becomes smoother.
A frequency hopping filter in a filter is also a common signal processing device, however, the frequency hopping filter has high requirements on a driving circuit, a switching circuit and the like, and if the driving circuit and the switching circuit are too complex, the driving speed of the frequency hopping filter is slow and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in how to solve current drive switch circuit drive speed has delayed problem.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
the drive control circuit of the frequency hopping filter comprises a control unit, a drive circuit and a switch circuit, wherein the control unit is electrically connected with the drive circuit, the drive circuit is electrically connected with the switch circuit, and the switch circuit is electrically connected with the external frequency hopping filter.
The driving circuit comprises a power supply Vcc1, a power supply Vcc2, a resistor R1, a resistor R2, a resistor R3, a triode Q1, a triode Q2 and a diode D1; the resistor R1 is connected in parallel with the resistor R2, one ends of the resistor R1 and the resistor R2 are electrically connected with an external power supply Vcc1, the other end of the resistor R1 is electrically connected with a collector of a triode Q2, the other end of the resistor R2 is electrically connected with a collector of the triode Q1 and a base of a triode Q2, and an emitter of the triode Q2 is electrically connected with a cathode of the diode D1 and is electrically connected with the switch circuit through a Vout end.
One end of the resistor R3 is connected with an I/O port and is connected with external signal input equipment through the I/O port, meanwhile, the other end of the resistor R3 is electrically connected with the base electrode of the triode Q1, the emitting electrode of the triode Q1 is connected with a power supply Vcc2, and the collector electrode of the triode Q1 is electrically connected with the anode of the diode D1.
The external signal input equipment inputs a control signal through the I/O end, when the input of the I/O end is low level, the triode Q1 is conducted, the triode Q2 does not work, the Vout end of the driving circuit is in a high level state to control the switching circuit, so that an external filter is not conducted and is in a non-working state, when the high level is input, the triode Q1 is cut off, the triode Q2 is conducted, the Vout end of the driving circuit is in a low level state, so that the external filter is conducted and is in a working state, only two triodes are used, electronic elements are saved, the cost is reduced, and meanwhile, the switching driving speed is effectively improved.
As a further feature of the present invention: and the triode Q1 and the triode Q2 are CMUT5401 triodes.
The CMUT5401 triode has high response speed, and only two triodes are used in the circuit, so that devices are reduced, and the response time is shortened.
As a further feature of the present invention: the switch circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a resistor R6, a diode D2, a diode D3 and an inductor L1, wherein one end of the capacitor C1 is electrically connected with the frequency hopping filter, the other end of the capacitor C1 is electrically connected with the anode of a diode D2 and the cathode of the diode D3, the cathode of the diode D2 is electrically connected with one end of the inductor L1 and one end of the capacitor C2, the other end of the capacitor C2 is grounded, the other end of the inductor L1 is electrically connected with the Vout end of the driving circuit through a Vin end, the anode of the diode D3 is electrically connected with one end of the capacitor C3 and one end of the resistor R6, the other end of the capacitor C3 is grounded, and the other end of the resistor R6 is connected with an external power supply Vcc 3.
As a further aspect of the present invention: also included is a resistor R4, the resistor R4 being connected in parallel with the diode D2.
As a further aspect of the present invention: also included is a resistor R5, the resistor R5 being connected in parallel with the diode D3.
As a further feature of the present invention: the voltage value of the power supply Vcc1 is in the range of-200V to-80V, the voltage value of the power supply Vcc2 is in the range of 2.7V to 3.5V, and the voltage value of the power supply Vcc3 is in the range of 2.7V to 3.5V.
As a further feature of the present invention: the voltage value of the power supply Vcc1 is-100V, the voltage value of the power supply Vcc2 is 3.3V, and the voltage value of the power supply Vcc3 is 3.3V.
The utility model has the advantages that:
1. the utility model discloses in, external signal input device passes through IO end input control signal, when IO end input is the low level, triode Q1 switches on, triode Q2 is out of work, and drive circuit's Vout end is in the high level state, controls switch circuit, makes external wave filter not switch on and be in unoperated state, and when the input high level, triode Q1 ends, and triode Q2 switches on, and drive circuit's Vout end is in the low level state, makes external wave filter switch on and be in operating condition, the utility model discloses an only used two triodes among the drive circuit, the electronic component quantity that contains is less, realizes reduce cost, has also effectively improved switch drive speed simultaneously.
2. The utility model discloses in, switch circuit can the work of effective control wave filter, and resistance R4, the resistance R5 that sets up among the switch circuit enable the total current grow, shunt simultaneously, and effective energy saving overcomes the unsuitable problem of driving speed and electric current collocation.
3. The utility model discloses simple structure, the electronic equipment who contains is less relatively, and then when batch production, and the debugging is simple, can not influence production cycle.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the middle driving circuit of the present invention.
Fig. 3 is a schematic circuit diagram of the middle switch circuit of the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.
Fig. 1 is the structural schematic diagram of the present invention, as fig. 1, a driving control circuit of a frequency hopping filter, including a control unit, a driving circuit, and a switch circuit, wherein the control unit is electrically connected to the driving circuit, the driving circuit is electrically connected to the switch circuit, and the switch circuit is electrically connected to the external frequency hopping filter.
Fig. 2 is a schematic circuit diagram of a middle driving circuit according to the present invention, as shown in fig. 2, wherein the driving circuit includes a power source Vcc1(Volt Current concentrator), a power source Vcc2, a resistor R1, a resistor R2, a resistor R3, a transistor Q1, a transistor Q2, and a diode D1; the resistor R1 is connected in parallel with the resistor R2, one ends of the resistor R1 and the resistor R2 are electrically connected with an external power supply Vcc1, the other end of the resistor R1 is electrically connected with a collector of a triode Q2, the other end of the resistor R2 is electrically connected with a collector of the triode Q1 and a base of a triode Q2, and an emitter of the triode Q2 is electrically connected with a cathode of the diode D1 and is electrically connected with the switch circuit through a Vout end.
One end of the resistor R3 is connected with an I/O port and is connected with external signal input equipment through the I/O port, meanwhile, the other end of the resistor R3 is electrically connected with the base electrode of the triode Q1, the emitting electrode of the triode Q1 is connected with a power supply Vcc2, and the collector electrode of the triode Q1 is electrically connected with the anode of the diode D1.
Preferably, in this embodiment, the transistor Q1 and the transistor Q2 are both CMUT5401 transistors, the reaction speed of the CMUT5401 transistor is fast, and only two transistors are used in this circuit, so that the number of devices is reduced, and the reaction time is shortened.
Fig. 3 is a schematic circuit diagram of a switch circuit in the present invention, as shown in fig. 3, the switch circuit includes a capacitor C1, a capacitor C2, a capacitor C3, a resistor R4, a resistor R5, a resistor R6, a diode D2, a diode D3, and an inductor L1, one end of the capacitor C1 is electrically connected to the frequency hopping filter, and the other end of the capacitor C1 is electrically connected to one end of the resistor R4, the anode of the diode D2, the cathode of the diode D3, and one end of the resistor R5;
one end of the resistor R4 is connected with the anode of the diode D2, the other end of the resistor R4 is connected with the cathode of the diode D2 and is electrically connected with one end of the capacitor C2, the other end of the capacitor C2 is grounded, one end of the capacitor C2 connected with the resistor R4 is also connected with one end of the inductor L1, and the other end of the inductor L1 is electrically connected with the Vout end of the driving circuit through the Vin end.
One end of the resistor R5 is electrically connected with the cathode of the diode D3, the other end of the resistor R5 is electrically connected with the anode of the diode D3 and is electrically connected with one end of the capacitor C3, the other end of the capacitor C3 is grounded, one end of the capacitor C3 connected with the resistor R5 is electrically connected with one end of the resistor R6, and the other end of the resistor R6 is connected with the external power supply Vcc 3.
Preferably, in this embodiment, the power supply voltage of the power supply Vcc1 is-100V, the power supply voltage of the power supply Vcc2 is 3.3V, and the power supply voltage of the power supply Vcc3 is 3.3V.
The resistor R4 and the resistor R5 arranged in the switch circuit can increase the total current and shunt the current, so that the energy is effectively saved, and the problem that the driving speed and the current collocation are not proper is solved.
In application, the voltage of the power supply Vcc1 may be in the range of-200V to-80V, preferably-100V in this embodiment, the voltage of the power supply Vcc2 is in the range of 2.7V to 3.5V, preferably 3.3V in this embodiment, the voltage of the power supply Vcc3 is in the range of 2.7V to 3.5V, and preferably 3.3V in this embodiment.
The external signal input equipment inputs a control signal through an I/O end, when the input of the I/O end is low level, the triode Q1 is conducted, the triode Q2 does not work, the Vout end of the driving circuit is in a high level state, the diode D2 in the switching circuit is cut off in the reverse direction, the diode D3 is also cut off in the reverse direction, the capacitor C3 is in a non-working state, and therefore the frequency hopping filter is not conducted; when a high level is input, the triode Q1 is cut off, the triode Q2 is turned on, the Vout end of the driving circuit is in a low level state, the negative electrode of the diode D2 in the switching circuit is controlled to be turned on, the diode D3 is also turned on, the capacitor C3 is in a working state, and the frequency hopping filter is turned on.
The working principle is as follows: the work of the filter is controlled through the driving circuit and the switch circuit, the electronic devices in the driving circuit and the switch circuit are few, the cost can be saved, and meanwhile, the triode in the driving circuit is high in speed, so that the switch driving speed is high, the delay time is short, the time sequence error influence is reduced, the structure is simple, the debugging is simple when batch production is carried out, and the production period cannot be influenced.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The drive control circuit of the frequency hopping filter is characterized by comprising a control unit, a drive circuit and a switch circuit, wherein the control unit is electrically connected with the drive circuit, the drive circuit is electrically connected with the switch circuit, and the switch circuit is electrically connected with an external frequency hopping filter;
the driving circuit comprises a power supply Vcc1, a power supply Vcc2, a resistor R1, a resistor R2, a resistor R3, a triode Q1, a triode Q2 and a diode D1; the resistor R1 is connected in parallel with the resistor R2, one ends of the resistor R1 and the resistor R2 are electrically connected with an external power supply Vcc1, the other end of the resistor R1 is electrically connected with a collector of a triode Q2, the other end of the resistor R2 is simultaneously electrically connected with a collector of the triode Q1 and a base of a triode Q2, and an emitter of the triode Q2 is electrically connected with a cathode of the diode D1 and is electrically connected with the switch circuit through a Vout end;
one end of the resistor R3 is connected with an I/O port and is connected with external signal input equipment through the I/O port, meanwhile, the other end of the resistor R3 is electrically connected with the base electrode of the triode Q1, the emitting electrode of the triode Q1 is connected with a power supply Vcc2, and the collector electrode of the triode Q1 is electrically connected with the anode of the diode D1.
2. The driving control circuit of claim 1, wherein the transistor Q1 and the transistor Q2 are both CMUT5401 transistors.
3. The driving control circuit of the frequency hopping filter according to claim 1, wherein the switching circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a resistor R6, a diode D2, a diode D3, and an inductor L1, one end of the capacitor C1 is electrically connected to the frequency hopping filter, the other end of the capacitor C1 is electrically connected to the anode of the diode D2 and the cathode of the diode D3, the cathode of the diode D2 is electrically connected to one end of the inductor L1 and one end of the capacitor C2, the other end of the capacitor C2 is grounded, the other end of the inductor L1 is electrically connected to the Vout end of the driving circuit through the Vin end, the anode of the diode D3 is electrically connected to one end of the capacitor C3 and one end of the resistor R6, the other end of the capacitor C3 is grounded, and the other end of the resistor R6 is connected to the Vcc 3.
4. The driving control circuit of the frequency hopping filter as claimed in claim 3, further comprising a resistor R4, wherein the resistor R4 is connected in parallel with the diode D2.
5. The driving control circuit of the frequency hopping filter as claimed in claim 4, further comprising a resistor R5, wherein the resistor R5 is connected in parallel with the diode D3.
6. The driving control circuit of the frequency hopping filter of claim 5, wherein the voltage of a power supply Vcc1 ranges from-200V to-80V, the voltage of a power supply Vcc2 ranges from 2.7V to 3.5V, and the voltage of a power supply Vcc3 ranges from 2.7V to 3.5V.
7. The driving control circuit of the frequency hopping filter of claim 5, wherein the voltage of the power supply Vcc1 is-100V, the voltage of the power supply Vcc2 is 3.3V, and the voltage of the power supply Vcc3 is 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599574.XU CN210380793U (en) | 2019-09-24 | 2019-09-24 | Drive control circuit of frequency hopping filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599574.XU CN210380793U (en) | 2019-09-24 | 2019-09-24 | Drive control circuit of frequency hopping filter |
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| CN210380793U true CN210380793U (en) | 2020-04-21 |
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| CN201921599574.XU Active CN210380793U (en) | 2019-09-24 | 2019-09-24 | Drive control circuit of frequency hopping filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884628A (en) * | 2020-07-30 | 2020-11-03 | 武汉博畅通信设备有限责任公司 | Negative high-voltage driving circuit of PIN diode |
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2019
- 2019-09-24 CN CN201921599574.XU patent/CN210380793U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884628A (en) * | 2020-07-30 | 2020-11-03 | 武汉博畅通信设备有限责任公司 | Negative high-voltage driving circuit of PIN diode |
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