RC sine-wave oscillator output voltage regulating and controlling circuit
A technology of sine wave oscillation and output voltage, applied in the direction of instruments, regulating electrical variables, control/regulating systems, etc., can solve the problems of fixed output voltage and inability to automatically adjust, and achieve the effect of convenient control
Inactive Publication Date: 2018-01-09
王东
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The purpose of the present invention is to provide a control circuit for the output voltage of an RC sine wave oscillator, which solves the problem that the output voltage of the existing sine wave oscillator composed of R, C operational amplifiers, etc. is fixed and cannot be automatically adjusted.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0010] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0011] The invention provides a control circuit for the output voltage of an RC sine wave oscillator, such as figure 1 As shown, it includes sampling circuit 1, control circuit 2 and two-phase oscillation circuit 3. Sampling circuit 1 is connected to control circuit 2, and control circuit 2 is connected to two-phase oscillation circuit 3, so as to control the output voltage of the sine wave generator as expected value.
[0012] The control circuit 2 includes two connected amplifiers, wherein the positive input of the upper amplifier is an externally controlled DC voltage, the negative input is connected to the resistor divider of the sampling circuit 1, and the negative input and output are connected to each other. The resistors and capacitors connected in series ensure the stable operation of the whole system.
[0013] The output terminals...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The present invention relates to the technical field of a sine wave oscillator output voltage auxiliary circuit, and specifically discloses an RC sine wave oscillator output voltage control circuit, including a sampling circuit, a control circuit and a two-phase oscillation circuit, the sampling circuit is connected to the control circuit, The regulating circuit is connected with the two-phase oscillation circuit. The control circuit of the present invention is used in conjunction with a sine wave oscillator composed of R, C operational amplifiers, etc., so that the voltage generated by the oscillation can be controlled by an external DC voltage, and can be continuously and accurately adjusted between 0 and the maximum value. Coupled with an amplifier in this way, functions such as voltage stabilization, voltage regulation, current stabilization, and power stabilization can be easily realized. And it can accept the control of the computer conveniently, realize many control functions, and facilitate many application needs.
Description
technical field [0001] The invention belongs to the technical field of a sine wave oscillator output voltage auxiliary circuit, in particular to an RC sine wave oscillator output voltage regulation circuit. Background technique [0002] The sine wave oscillator composed of R and C operational amplifiers has the advantages of stable frequency, good waveform and stable voltage. But the voltage it generates is fixed, which is inconvenient in many applications. Contents of the invention [0003] The purpose of the present invention is to provide a control circuit for the output voltage of an RC sine wave oscillator, which solves the problem that the output voltage of the existing sine wave oscillator composed of R and C operational amplifiers is fixed and cannot be automatically adjusted. [0004] The technical scheme adopted by the invention is: comprising a sampling circuit, a control circuit and a two-phase oscillation circuit, the sampling circuit is connected with the co...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): G05F1/56
Inventor 王东
Owner 王东