公开(公告)号：US20240186996A1

公开(公告)日：2024-06-06

申请号：US18552157

申请日：2022-03-21

Applicant: RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHEN

Inventor： Lukas HÜSSEN ,  Muh-Dey WEI ,  Renato NEGRA

IPC: H03K17/16

CPC classification number: H03K17/162 ,  H03K2217/0063 ,  H03K2217/0072 ,  H03K2217/0081

Abstract: The invention relates to an insulated gate driver circuit for driving a gate terminal of a semiconductor circuit device, including a low voltage part and a high voltage part which are galvanically separated from each other by an insulated coupling section, and the low voltage part is adapted to transmit a signal to the high voltage part comprising an output stage adapted to drive the gate terminal of the semiconductor circuit device in dependence on a switching signal underlying the signal, wherein the insulated gate driver circuit is adapted to provide a power supply to the output stage and an input signal to the output stage based on the signal transmitted via the insulated coupling section.

公开(公告)号：US20160268976A1

公开(公告)日：2016-09-15

申请号：US15027037

申请日：2014-10-01

Applicant: RWTH AACHEN

Inventor： Renato NEGRA ,  Xuan Anh NGHIEM

IPC: H03F1/32 ,  H03F3/193 ,  H03F3/21 ,  H03F1/02

CPC classification number: H03F1/3205 ,  H03F1/0211 ,  H03F1/0288 ,  H03F3/193 ,  H03F3/211 ,  H03F3/245 ,  H03F2200/15 ,  H03F2200/451 ,  H03F2201/3203 ,  H03F2201/3233 ,  H03F2203/21103

Abstract: The invention relates to a sequential broadband Doherty power amplifier with adjustable output power back-off The sequential broadband Doherty power amplifier has at least one input (I1, I2; RFin) for receiving at least one broadband HF signal, wherein the broadband HF signal or broadband HF signals (RFin) have at least an average power level (carrier/average) and a peak envelope power level (peak), with the average power level and the peak envelope power level defining a crest factor, and a first amplifier branch for amplifying the input signal, with the first amplifier branch providing the amplification substantially for the low and at least the average power level, at least one second amplifier branch for amplifying the input signal, wherein the second amplifier branch substantially provides the amplification for the peak envelope power level, wherein the output of the first amplifier branch is connected via an impedance inverter (ZT) to the output of the second amplifier branch, the junction (CN) being connected to the load (Z0) in a substantially directly impedance-matched manner, wherein the first and the second amplifier branch each have a supply voltage, with at least one of the supply voltages being variable as a function of the crest factor of the signal to be amplified, and wherein the signal propagation delay through the at least two amplifier branches is substantially identical in the operating range.

Abstract translation: 本发明涉及具有可调输出功率回退的顺序宽带Doherty功率放大器。顺序宽带Doherty功率放大器具有用于接收至少一个宽带HF信号的至少一个输入（I1，I2; RFin），其中宽带HF信号或 宽带HF信号（RFin）至少具有平均功率电平（载波/平均）和峰值包络功率电平（峰值），平均功率电平和峰值包络功率电平定义波峰因数，以及第一放大器支路，用于 放大输入信号，其中第一放大器分支基本上为低平均功率电平提供放大;至少一个第二放大器支路，用于放大输入信号，其中第二放大器支路基本上提供峰值包络的放大 功率电平，其中第一放大器分支的输出经由阻抗反相器（ZT）连接到第二放大器分支的输出，th e连接（CN）以基本上直接阻抗匹配的方式连接到负载（Z0），其中第一和第二放大器支路各自具有电源电压，其中至少一个电源电压可以作为 要放大的信号的波峰因数，并且其中通过至少两个放大器分支的信号传播延迟在操作范围内基本相同。