774 / 775 Quad/Octal Fast Risetime Amplifier


FEATURES

DESCRIPTION

The model 774/775 is a fast risetime, bipolar preamplifier intended for use with fast Solid State and Channel Plate Detectors. The model 774 has four channels, and the model 775 has eight channels; both, in a single width NIM module. Standard fixed voltage gains of 5, 10, 20, or 50 are available to optimize system performance. Both models are bipolar, capable of amplifying positive or negative signals making them useful for most detector types or beam pick-off schemes. The amplifier design exhibits low distortion and excellent stability. The inputs are 50 ohm impedance, and the outputs are designed to operate into a 50 ohm load. However, unused channels do not require termination to maintain stability. Both the inputs and outputs are protected for reliable operation. Cascading of channels makes it possible to achieve gains as high as 400, but not recommended for units with individual amplifier gains above 20.


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