Optical transmitter based on first-order band-pass filter circuit
A filter circuit and optical transmitter technology, applied in the field of signal processing, can solve problems such as no solution to internal problems, not very obvious effect, circuit stability to be verified, etc., to achieve stable performance, long working life, The effect of high reliability
Inactive Publication Date: 2015-03-11
SUZHOU OUBORI AUTOMATION TECH
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Problems solved by technology
[0005] The patent number is 201210204168.5, and the patent name is optical transmitter. Although the patent points out the existing problems of the existing technology and solves them by designing from the inside of the structure, the effect is not very obvious, and the stability of the circuit has yet to be verified.
[0006] The patent number is 201220721995.7, and the patent name is optical transmitter. This patent only improves the external structure, and does not propose a solution to internal problems
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[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0022] Those skilled in the art can understand that the relevant modules involved in the present invention and the functions realized are carried out on the improved hardware and the device, device or system formed by it, by carrying conventional computer software programs in the prior art or The relevant agreement can be realized, and it is not an improvement on the computer software program or the relevant agreement in the prior art. For example, an improved computer hardware system can still realize specific functions of the hardware sys...
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The invention discloses an optical transmitter based on a first-order band-pass filter circuit. The optical transmitter includes a matching buffer circuit, a filter circuit, a low noise amplifier, an amplifying circuit, an attenuator, a laser transmitter module, an isolator and a low noise linear regulated power supply, wherein the matching buffer circuit, the filter circuit, the low noise amplifier, the amplifying circuit, the attenuator, the laser transmitter module and the isolator are connected in sequence with one another; the low noise linear regulated power supply is connected with the matching buffer circuit, the filter circuit, the low noise amplifier and the amplifying circuit respectively. The optical transmitter based on a first-order band-pass filter circuit has the advantages of small size, high coupling efficiency with optical fibers, the capability of modulating luminous intensity, high reliability, long service life, high working stability, the capability of transmitting sufficiently high luminous power and longer transmitting distance through the adoption of two-stage signal amplification.
Description
technical field [0001] The invention discloses an optical transmitter based on a first-order band-pass filter circuit, and relates to the technical field of signal processing. Background technique [0002] The use of light waves to transmit TV signals and data information is a new science and technology developed at the end of the 20th century. Its appearance has made the world's information industry develop rapidly. Now the optical fiber transmission technology is developing at a speed beyond people's imagination. It has increased by 100 times compared with 10 years ago, and it is estimated that it will increase by about 100 times in the future. With the continuous development of optical fiber transmission technology, multiplexing, demultiplexing, routing, and switching can be performed in the optical domain, and the network can use the huge bandwidth resources of optical fibers to increase the capacity of the network and realize "transparent" transmission of various servic...
Claims
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Inventor 谢敏富胡清华高娟
Owner SUZHOU OUBORI AUTOMATION TECH