3He Tube Preamplifiers

A1421 (New)

Preamplifier and Discriminator for 3He tubes

• Specifically designed for neutron detectors as 3He or BF3 tubes in counting applications

• Gain: 30 mV/fc on HiZ (15 mV/fC on 50 Ω)

• Discriminator with adjustable threshold

• Analog and Logic discriminator output

• Compact size

• External HV input on SHV connector (feeding the internal decoupling circuits)

• Detector inputs on SHV or HN connectors

• Input bias voltage: ± 4 kV Max