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THS4082

Other Parts Discussed in Thread: THS4082

Dear Sir,

We have an Pulse Pattern generator with frequency range DC to 120 MHz and with Amplitude of 50mVpp to 5 Vpp in 50 Ohms.Now i have to generate 10 Vpp in 50 Ohms load when the output from generator is 5 Vpp.

Is THS4082 EVM Board solve the Purpose and also what is the gain of the amplifier?

  • Hello Katta,

    The gain is 2V/V.  You will need a gain of 4V/V if you want a back terminated gain of 2. 

    THe THS4082 can do 10Vpp, but it may not have the slew rate to handle 10Vpp at 120 MHz.  You will need 3800 V/us for that amplitude and frequency for a sine wave.  If you want to produce a 120MHz square wave the slew rate will need to be much higher.  This is also pretty high power 10Vpp into 50 Ohms is 24dBm which is more than most op amps will provide. 

    You can check our high speed selector guide and see if there are any parts with 3800 V/us slew rate and run on a 15V supply.  

    Loren