LTC2202/LTC2203/LTC2204/LTC2205/LTC2206/LTC2207

Question

Hello, 
 I have a analog signal square wave signal with 200kHz in my application. 
 While I am examinating DC919A I see that on page 5 " For input frequencies less than 5MHz, or greater than 150 MHz other input networks may be more appropriate. Please consult the factory for suggestions on drivers." 
 Can anyone help me for analog front end circuit ? 
 Regards

PeeveeS · Accepted Answer

Hi Erdogdu ,

For lower frequencies, you may follow the DC coupled input. Here's the sample from the LTC2203/LTC2202 datasheet.

The spice model of amplifier shown in the figure is available in LTSpice. You may simulate this circuit for your checking.

Best regards,
Peevee

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LTC2202/LTC2203/LTC2204/LTC2205/LTC2206/LTC2207