GEM Series Coaxial HPGe Detector
Product Configuration Guide
4
Ge Crystal
Mount
Preamplifier
Front End
Preamplifier
Outside Vacuum
High Voltage
Filter
Endcap Diameter
-70, -76, -83, -95 or -108
Cup default is Al
-RB changes to Cu
Preamplifier default is Resistive Feedback
-PL changes to Transistor Reset
-SMP changes to SMART-1 with HV
Window default is Al
-RB and -HE change to
Carbon Fiber
Endcap default is Al
-RB and -HE change to Carbon Fiber
Mount default is Al
-RB changes to Cu
Electronic Shroud
-HE changes to a sealed chamber with additional .25” dia and .4” length,
and adds a replaceable desiccant.
PopTop Detector Capsule
PopTop Cold Finger Coupling
Streamline Detector Capsule
Ge Crystal
Mount
Preamplifier
Front End
Preamplifier
Outside
Vacuum
High Voltage
Filter
Endcap Diameter
-70, -76, -83, -95 or -108
Cup default is Al
-LB-C and -XLB-C
change to Cu
Preamplifier default is Resistive Feedback
-PL changes to Transistor Reset
-SMP changes to SMART-1 with HV
Window default is Al
-LB-C and -XLB-C change to
Carbon Fiber
Endcap default is Al
-LB-C and -XLB-C change to
Carbon Fiber
Mount default is Al
-LB-C and -XLB-C change
to Cu
-XLB-C extends capsule by ~1 inch to
accommodate lead shield in cryostat
Electronic Shroud
-HJ changes Preamplifier and
High Voltage Filter to Remote and
eliminates the Electronic Shroud