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SR240A  350 MHz preamplifier (4-channel)

SR240A 350 MHz preamplifier (4-channel)

Product Details:

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Price And Quantity

  • 5000 INR
  • 1 Piece

Trade Information

  • 5-10 Piece piece Per Month
  • 6-8 Week

Product Description

Gated Integrators and Boxcar Averagers
SR240A 350 MHz preamplifier (4-channel)

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 input and output impedance
3 ns overload recovery
Excellent phase linearity

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.

SR240A Specifications
Amplifier channels 4
Inputs and outputs 50 , DC coupled
Bandwidth DC to 350 MHz (3 dB)
Rise/fall time 1 ns (single channel)
Voltage gain 5 per channel. Up to 4 channels can
be cascaded.
Input noise 6.4 nV/Hz
Operating range Inputs: 200 mV, Outputs: 1.0 V
Propagation delay 2.7 ns per channel
Recovery time 3 ns for a 10 overload
Input protection 50 V for <1 s
Output clamp 1.6 V
Output overload detect 1.3 V
Crosstalk 60 dB
Operating temperature 0 C to 40 C, non-condensing
Mechanical Single-width NIM module
Warranty One year parts and labor on defects
in materials and workmanship

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