Hi,

Iı am new in this forum. It is very nice to be able to ask questions. Thank you in advance. 

I bought LTC6268-10 for a trans-impedance amplifier application for LIDAR. The laser emits in 10ns pulse and bandwidth of the laser is 1 khz. I have chosen…

你好，我设计的20MHz光电转换电路的pcb布局如截图所示，使用的运放是LTC6268-10，根据datasheet的描述，需要在输入端口增加模拟地保护环以及“Other signals should be routed well away from this signal path and there should be no internal power planes under it”，这段英文的含义我不是很清楚，它是指将和芯片的同相输入和反向输入端焊盘下的铜皮掏空，以及将与输入节点相连的所有的电阻焊盘下的铜皮都掏空吗…

Hello,

I'm designing a transimpedance amplifier based on LTC6268-10 amplifier.
I read through the documentation and I saw the DC2414A design files, so I understand that to lower the parasitic capacitance of the feedback resistor placing a ground trace…

Hello,

In order to reduce noise, i use a JFET BF862 before the amplifier ltc6268-10,but i find a large offset current in oscilloscope. I want to know how solve it.

Hi engineers:

I use the LTC6268-10 as Photomultiplier Tube Post-Amplifier.The scheme as follows.

Example waveform from LTC6268-10 datasheet.

What is the delay between input and output?I test it about 10ns,is it right?Is there a nominal value?Thank you…

在LTC6268-10芯片手册中，为了减小寄生反馈电容的影响，采用反馈电阻分流的方式减小寄生电容。

请问，在这种工作方式下，为了使寄生电容降到最低，对电路板的材料类型和厚度有什么要求吗？

Dear Enigeer!

   My purpose is to amplify the current signal generated by APD into a voltage signal through a two-stage amplifier. The first stage amplifier is going to use ltc6268-10 to amplify the current signal into a voltage signal, and the second stage…

Hi engineer ：

 The scheme is as follows:

Then I test the J11 signal.The J10 is not connect anything.

But the waveform is like this.What are wrong.The input or the power?

Then can I use LT3092 to test the TIA circuit.

Connect J3 to TIA's J10.Looking…