I was wondering if anyone on the list had experience with off-the-shelf
amplifiers in the 2GHz range. I have a current signal in the nano-ampere
range with a rise time of about 3ns and a pulse width of 9ns that I need to
convert to a voltage using a transimpedance amplifier with a gain of 10; the
signal is coming in via a 50 Ohm coax cable so my voltage output would be in
the order of 1nA x 50_Ohm x 10. It will eventually go to a 1.5Gsps flash ADC
but I need the voltage out without loosing the shape of the current
waveform. Any pointers to amplifiers used in the past would be greatly
appreciated.

Regards
Madhu 


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