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The Models 2007 and 2007P preamplifiers are compact PM tube bases containing a high-voltage divider network to supply all necessary bias voltages for most common 10-stage PM tubes
The Mirion Models 2007 and 2007P preamplifiers are compact PM tube bases containing a high-voltage divider network to supply all necessary bias voltages for most common 10-stage PM tubes. A focus control provides for optimization of detector resolution and a gain control permits trimming the HV bias when several tubes must be matched for array setups.
Designed for compatibility with the Mirion Model 802 Series scintillation detectors, or equivalent, the tube base connects directly to the PMT, providing one integrally mounted assembly.
The Model 2007 unit includes high-voltage blocking capacitors to couple the anode and dynode signal outputs to a preamplifier, such as the Mirion Model 2005 unit, or to a constant fraction discriminator, such as the Mirion Model 2129 unit.
The Model 2007P unit includes a preamplifier which integrates the charge impulse from the anode of the PM tube to a pulse-shaping main amplifier, such as the Mirion Model 2020 unit. The preamp features high-voltage transient protection, noise contribution less than 0.1 fC rms, and a rise time of less than 20 ns.