4 Channel Variable Gain Fast Amplifier
N978
The CAEN Mod. N978 is a 4 channel fast rise time amplifier housed in a one unit wide NIM module; each channel features a voltage gain variable in the range 0 ÷ 10. Channels are non-inverting and bipolar: they amplify both positive and negative signals. Input bandwidth is 250 MHz for signals up to 50 mVpp and decreases for larger ones (up to 100 MHz @ 300 mVpp). Gain setting can be performed independently for each channel via four rotary handles. Channels can be cascaded in order to obtain larger gain values. Each channel is provided with three LEMO 00 connectors, one for the input and two bridged for the output. The board features a ±2 V output dynamics. 4 screw-trimmers (one per channel) allow the offset calibration which operates over a ±30 mV range.
Features
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x10 Adjustable Gain (x1 Steps)
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Input bandwidth up to 250 Mhz
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50 Ohm Input Impedance
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±2 V output dynamics
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50 Ohm loads driven
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Cascadeable Channels
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Rise/fall time smaller than 1.5 ns
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I/O delay smaller than 3 ns
N978: Manuals
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