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SR240A 300 MHz quad preamplifier

SR240A ... from $1000
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SR240A 350 MHz Preamplifier

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SR240A 350 MHz Preamplifier

Rear Panel

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  • Four independent channels
  • DC to 350 MHz bandwidth
  • 1 ns rise and fall time
  • Voltage gain to 625
  • 6.4 nV/√Hz input noise
  • 50 Ω input and output impedance
  • 3 ns overload recovery
  • Excellent phase linearity
  • Overview
    The model SR240A 350 MHz Preamplifier is a 4-channel, DC-coupled instrument with a gain of 5 per channel. The amplifiers can be used independently or cascaded to provide gains of 5, 25, 125 or 625. The fast rise time, low noise, and DC accuracy of the SR240A make it the ideal instrument for use with photomultiplier tubes and photodiodes.
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    SR240A 300 MHz Preamplifier

    The model SR240A 350 MHz Preamplifier is a 4-channel, DC-coupled instrument with a gain of 5 per channel. The amplifiers can be used independently or cascaded to provide gains of 5, 25, 125 or 625. The fast rise time, low noise, and DC accuracy of the SR240A make it the ideal instrument for use with photomultiplier tubes and photodiodes.

    The SR240A preamp is useful for amplifying small signals to levels that can be processed by other boxcar system modules. Typically, a signal of at least a few millivolts is required at the input of the SR250. If your detector does not supply this signal level, the SR240A can be used in front of the SR250 to ensure sufficient signal amplitude.

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