Qualitative rf output-reflected power indicator专利检索-终端电阻电阻器电气元件和设备专利检索查询-专利查询网

Qualitative rf output-reflected power indicator

阅读：262发布：2022-01-18

专利汇可以提供Qualitative rf output-reflected power indicator专利检索，专利查询，专利分析的服务。并且An RF directional coupler comprising an element for insertion into an RF transmission line, or at the transmitter output, with suitable means of extracting a small amount of power into two circuits so as to separate forward moving waves from reflected waves: forward wave (proportional to output power) circuit and reflected wave (proportional to power loss) circuit comprised of suitable distributed capacitance, distributed inductance, terminating resistors, light emitting solid state diodes and harmonic filter.，下面是Qualitative rf output-reflected power indicator专利的具体信息内容。

权利要求

1. An RF directional coupler and forward- and reflected-power indicator for radio frequency transmitters and transmission lines comprising: a main conductor of RF current of a lineal shape having a transmitter end and an antenna end; a first pick-up conductor parallel and proximate and thereby coupled to said main conductor by distributed inductance and capacitance; a second pick-up conductor parallel and proximate and thereby coupled to said main conductor by distributed inductance and capacitance; a light emitting diode electrically connected to said first pick-up conductor at the transmitter end; a load resistor electrically connected to said first pick-up conductor at the antenna end and to a ground connection; a light emitting diode electrically connected to said second pick-up conductor at the antenna end; a load resistor electrically connected to said second pick-up conductor at the transmitter end and to a ground connection; a rectifying diode electrically connected to each of said light emitting diodes and to a ground connection; and an RF bypass capacitor electrically connected across each of said light emitting diodes.

2. The RF directional coupler of claim 1 further comprising: a low-pass harmonic filter electrically interposed between each of said light emitting diodes and said rectifying diodes.

3. The RF directional coupler of claim 2 further comprising: a printed circuit board on which all of said conductors and said components are mounted using strip line techniques.

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Qualitative rf output-reflected power indicator

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