DS200FGPAG1AHD |  栅极脉冲放大器板  具有与LCI（负载换向逆变器

产品描述

栅极脉冲放大器板DS200FGPAG1A来自通用电气工业系统公司生产的LS2100系列。该板具有与LCI（负载换向逆变器）一起使用的三个主要但基本功能，这些功能是SCR状态监控、栅极驱动器和开关电源。还有三个FGPA，每个FGPA分别用于每个三相可控硅整流器桥。DS200FGPAG1A上的电源电压读数应为 120 VRM，最大电压的近似读数应为 350 VA。

DS200FGPAG1AHD栅极脉冲放大器板是一种电子元件，其工作原理和应用具体如下：

工作原理：

DS200FGPAG1AHD栅极脉冲放大器板主要基于栅极脉冲供电方式工作。在栅极脉冲供电中，栅级直流电压进行开关控制电路转变成脉冲电压后再加在放大器栅极。通过对栅极电压的开与断，使放大器的工作状态在导通与关断之间进行周期性的切换。当栅压值为典型静态工作点电压时，放大器工作；当栅级电压为夹断电压时，放大器关闭。这种供电方式控制的是电压。

在栅极脉冲放大器中，DS200FGPAG1AHD当在栅极上加上负偏置正向高压视频脉冲时，R/G/B的阴极电流将会非常精确地同时产生或截止。这种方式解决了视频放大器R/G/B相互之间存在延时输出而带来的测量误差问题。

应用：

视频放大器：在视频放大器中，栅极脉冲放大器用于确保R/G/B的输出能在产生实测光点的脉冲与提供参考光点的脉冲之间自动顺续切换，只打开需要显示的光点的一路输出，而关闭不需要显示的光点的另一路输出。

脉冲雷达：在脉冲雷达应用中，从发射到接收操作的过渡期间需要快速开启/关闭高功率放大器(HPA)。栅极脉冲电路可以高效控制功率放大器，并实现其高速开关，从而提高脉冲雷达的性能1。

Product description

The grid pulse amplifier board DS200FGPAG1A is from the LS2100 series manufactured by General Electric Industrial Systems. The board has three main but basic functions for use with LCI (Load reversing inverter), these functions are SCR condition monitoring, gate driver and switching power supply. There are also three FGPA, one for each three-phase thyristor bridge. The power supply voltage reading on the DS200FGPAG1A should be 120 VRM and the approximate reading of the maximum voltage should be 350 VA.

The DS200FGPAG1AHD grid pulse amplifier board is an electronic component, and its working principle and application are as follows:

How it works:

DS200FGPAG1AHD grid pulse amplifier board is mainly based on grid pulse power supply mode. In the grid pulse power supply, the grid level DC voltage is converted into a pulse voltage by the switching control circuit and then added to the amplifier grid. By switching the grid voltage on and off, the working state of the amplifier is periodically switched between on-off and off-off. When the grid voltage value is the typical static operating point voltage, the amplifier works. When the grid-stage voltage is the clip-off voltage, the amplifier is turned off. This type of power supply controls the voltage.

In a grid pulse amplifier, DS200FGPAG1AHD when a negative bias forward high voltage video pulse is added to the grid, the R/G/B cathode current will be generated or cut off very precisely at the same time. This method solves the problem of measurement error caused by delayed output between video amplifiers R/G/B.

Applications:

Video amplifier: In a video amplifier, the gate pulse amplifier is used to ensure that the R/G/B output automatically switches between the pulse that produces the measured light spot and the pulse that provides the reference light spot, turning on only one output of the light spot that needs to be displayed and turning off the other output of the light spot that does not need to be displayed.

Pulse radar: In pulse radar applications, a high power amplifier (HPA) needs to be turned on/off quickly during the transition from transmit to receive operation. The grid pulse circuit can efficiently control the power amplifier and realize its high-speed switching, thus improving the performance of the pulse radar 1.