Output Current Amplifier for Line Interface Circuit
A power control circuit for improving the switching spectrum of a power amplifier
The utility model provides a power control circuit for improving the switching spectrum of a power amplifier, comprising a linear voltage regulator circuit and a dynamic current source. The linear voltage regulator module also includes an error amplifier (102), a feedback circuit (104), and a pass element (105); wherein, the inverting input terminal of the error amplifier (102) is connected to the externally provided power control signal (Vramp), and the non-inverting input terminal is connected to the feedback circuit...
Liu Xida
Cited by: 0
RF Power Amplifier and Microstrip Circuit Design
With the rapid development of wireless communication technology, mobile communication users... When operating in the output working state, it cannot reach the maximum current, causing the two amplifiers... Next, combined with one of the current research hotspots in microstrip circuits, the defected...
Chen Xiaoqun - Xidian University
Cited by: 19
Design of Remote Adjustment Circuit for Scanning Power Supply of Linear Electron Accelerator
A digital automatic gain amplification circuit is designed, which uses a microcontroller... to keep the output current always maintained at the set current value. Performance tests were conducted on site... Gu Shuai, Zang Hongyan, Gong Xinsheng, Digital Users...
Gu Shuai, Zang Hongyan, Gong Xinsheng - "Digital Users"
Cited by: 0 Published: 2017
Using SigmaDSP to Reduce Noise and Power Consumption in Car Audio Systems
A digital automatic gain amplification circuit is designed, which uses a microcontroller... to keep the output current always maintained at the set current value. Performance tests were conducted on site... Gu Shuai, Zang Hongyan, Gong Xinsheng, Digital Users...
Cited by: 0
Hardware Design of Embedded Short-Range Wireless Communication Engineering System
(High-performance wireless local area network). But its hardware design, interface method, communication... When the working voltage drops to 2.1V, a detached lithium battery works, standby... can reduce the gain of the low-noise amplifier (LNA) by 35dB. The receiver uses a...
Schematic Design
Cited by: 0
An Interface Circuit Device for Extending the Output Signal of a Low-Noise Amplifier
The utility model provides an interface circuit device for extending the output signal of a low-noise amplifier, used to connect various signals output by the low-noise amplifier, characterized in that: the interface circuit device includes an RF connector, a microstrip line for transmitting signals, a stripline for transmitting signals, a six-core micro-coaxial connector, and a printed PCB board; the RF connector is used to transmit the signal amplified by the low-noise amplifier...
Zhan Shaotai
Cited by: 0
An Adaptive Bias Circuit in a CMOS Linear Power Amplifier
The utility model discloses an adaptive bias circuit in a CMOS linear power amplifier, comprising an inverter amplifier circuit, a distortion amplifier circuit, an inverting amplifier circuit, and a voltage-current conversion circuit; the input terminal of the inverter amplifier circuit is the input terminal of the bias circuit, the output terminal of the inverter amplifier circuit is connected to the input terminal of the distortion amplifier circuit, and the distortion amplifier...
Jiao Jiantang, Wan Yinggao
Cited by: 0
A Four-Wire Current Detection Circuit for a Reclosing Device
And output to the rectifier circuit for rectification. The signal amplification circuit is connected to the rectifier circuit, used to amplify the current signal output by the rectifier circuit, and output to the microcontroller of the reclosing device for processing. The utility model can detect the four-wire current in the circuit, thereby enabling the reclosing device to provide overload long-delay, short-circuit short-delay, and short-circuit instantaneous protection for electrical equipment...
