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P4 Series
Low-Noise Detector System

Pyroelectric detectors integrated with current mode amplifier and power supply.
Coherent Inc.
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These devices are being phased out and will no longer be sold after December 2009.

Last time buys must be complete by the end of the year.

P4 series detectors consist of a 2, 5 or 9 mm diameter pyroelectric detector integrated with a current mode amplifier and power supply. These are all neatly packaged in a 1.90-inch diameter x 5.75-inch long, RFI-immune housing with 50 ohm BNC connector output.

P4-32/-35 series detectors are optimized for wideband detection at frequencies of up to 800 Hz. The P4-42/-45/-49 series feature an ultra-low noise FET input op-amp that provides optimum performance over the 1 Hz to 30 kHz range.

For detailed specifications, see part number.
Name
Description
2mm detector for wideband detection to 800 Hz
5mm detector for wideband detection to 800 Hz
2mm detector for low-noise detection to 30 kHz
5mm detector for low-noise detection to 30 kHz

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