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Device for filtering and demodulating multipath signals

A filter demodulation and multi-channel signal technology, applied in the field of demodulator, can solve the problems that cannot meet the needs of multi-channel signal demodulation, and achieve the effect of strong practicability

Inactive Publication Date: 2014-03-26
成都威势科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing demodulators can only demodulate single-channel filtered signals, which can no longer meet the needs of simultaneously demodulating multiple transmitted signals

Method used

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  • Device for filtering and demodulating multipath signals

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Embodiment

[0014] As shown in Figure 1, the present invention includes capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, diode D1, diode D2 , operational amplifier A1, operational amplifier A2 and transistor T, resistor R7 and capacitor C5 are connected in parallel and resistor R7 and capacitor C5 are both grounded, resistor R3 and resistor R6 are adjustable resistors, resistor R3 and resistor R6 are both grounded; capacitor C1 The value is greater than the value of the capacitor C3, the value of the capacitor C2, the value of the capacitor C4 and the value of the capacitor C5 are equal. In this embodiment, the capacitor C1, the capacitor C2, the non-inverting input terminal of the operational amplifier A1, the output terminal of the operational amplifier A1, the diode D1, the diode D2, the output terminal of the operational amplifier A2, the non-directional input terminal of the...

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PUM

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Abstract

The invention discloses a device for filtering and demodulating multipath signals. The device comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a diode D1, a diode D2, an operation amplifier A1, an operation amplifier A2 and a triode T. The non-inverting input end of the capacitor C1, the capacitor C2 and the operation amplifier A1, the output end of the operation amplifier A1, the non-inverting output end of the diode D1, the diode D2 and the operation amplifier A2, the non-inverting input ends of the operation amplifier A2, the capacitor C4 and the capacitor C3 are sequentially serially connected to form a closed loop. The cathode common terminal of the diode D1 and the diode D2 is connected with the base set of the triode T, the resistor R7 and the capacitor C5. One end of the resistor R1 is connected to the common terminal of the capacitor C1 and the capacitor C2, and the other end thereof is connected with the inverting input end and the output end of the operation amplifier A1. By the arrangement, filtering and demodulating of the multipath signals in transmission can be achieved, and high practicality is achieved.

Description

technical field [0001] The invention relates to the field of demodulators, in particular to a device for filtering and demodulating multi-channel signals. Background technique [0002] Wireless Communication (Wireless Communication) is a communication method that uses the characteristics of electromagnetic wave signals that can propagate in free space to exchange information. In recent years, in the field of information communication, wireless communication technology is the fastest growing and most widely used. The impact wireless technology has had on people is indisputable. Today, about 150,000 people become new wireless subscribers every day, and the number of wireless subscribers worldwide has exceeded 200 million. These people include university professors, warehouse managers, nurses, store managers, office managers and truck drivers. The way they use wireless technology is constantly changing, as is their own work. In the field of wireless communication, we first c...

Claims

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Application Information

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IPC IPC(8): H03H11/02H03D9/00
Inventor 林海廉保旺
Owner 成都威势科技有限公司
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