Congestion control based monostable circuit
A monostable circuit, control terminal technology, applied in electrical components, generating electrical pulses, pulse generation, etc., can solve the problems of poor repetition rate, unchangeable, unfavorable time application environment, etc.
Inactive Publication Date: 2012-11-21
INST OF ACOUSTICS CHINESE ACAD OF SCI
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In addition, once the application requirements are determined, the size of the RC parameters is also determined at the same time, which cannot be changed, and the reuse rate is poor
Finally, even if the RC value is small, it can be integrated into the entire system to generate characteristic pulse waveforms, and the transient time of the circuit will have an error of about 50% due to the drastic change of RC in different processes. The application environment with precise control of time is extremely unfavorable
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[0070] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0071] CMOS English full name: Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductor; PMOS English full name: Positive Channel Metal Oxide Semiconductor, P-type metal oxide semiconductor; NMOS English full name: Negative Channel Mental Oxide Semiconductor, N-type metal oxide semiconductor.
[0072] In this embodiment, the CLK signal is used to represent the external trigger signal of the monostable circuit. The circuit diagram between the clock signal CLK and the reverse signal NCLK of the clock signal, such as image 3 shown. The clock signal CLK outputs the signal NCLK after passing through the inverter I1, and this signal is called the reverse signal of the clock signal CLK.
[0073] Schematic diagram of a monostable circuit based on blocking control in the case of charging, such as Figure 4 shown. Description of how t...
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The invention relates to a congestion control based monostable circuit. In the circuit, the source electrode of a first PMOS (P-channel Metal Oxide Semiconductor) transistor P1 is connected with power supply voltage, the drain electrode of the first PMOS transistor P1 is connected with the source electrode of a second PMOS transistor P2, and the grid electrodeof the first PMOS transistor P1 is controlled by input voltage; the grid electrode of the second PMOS transistor P2 is controlled by a signal of an output end of an inverter I2, the drain electrode of the second PMOS transistor P2 is connected with the output end of a transmission gate T1, the input end of an inverter I1 and one end of a capacitor N1; the other end of the capacitor N1 is grounded; the output end of the inverter I1 isconnected with the input end of a transmission gate T2; the output end of the transmission gate T2 is connected with the input end of the inverter I2; the output end of the inerter I2 is connected with the input end of an inverter I3; the output end of the inverter I3 is the output end VOUT of the monostable circuit and connected to the input end of the transmission gate T1 in a feedback way; andthe two transmission gates are respectively controlled by input signals of the control ends of the two transmission gates to ensure that only one transmission gate can be broken over to realize congestion control at the same time.
Description
technical field [0001] The invention relates to a monostable circuit, in particular to a monostable circuit based on blocking control. Background technique [0002] A monostable circuit has only one stable state. Under the action of an external trigger pulse, the circuit turns from a steady state to a transient state. After the transient state is maintained for a period of time, it returns to a steady state and generates a rectangular pulse at the output. [0003] Since the transient time of the monostable circuit is determined by the internal parameters of the circuit, the monostable flip-flop is widely used in pulse shaping, delay and timing. The transient state of the monostable trigger is usually maintained by the charging and discharging process of the RC circuit. The RC circuit can be connected into two forms: differential and integral circuit forms. [0004] Traditional monostable circuits mainly have two structures: integral type and differential type. Integrating...
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IPC IPC(8): H03K3/033
Inventor 王东辉闫浩侯朝焕
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI