1. Introduction
The Canberra Model 3102D High Voltage Power Supply is a single-width NIM mod-
ule designed primarily for use with photomultiplier and electron multiplier tubes. But
it can be used with any detector requiring a bias voltage up to 2000 V and a current
level of 1 mA or less.
The 3102D allows the user to select from two continuously adjustable outputs, one
ranging from ±15 to ±2000 V dc and the other from ±1.5 to ±200 V dc. The output
voltage is measured and displayed by a three-digit voltmeter. In addition, this unit al-
lows the user to select the output voltage polarity with an internal control.
The 3102D can withstand any overload or short circuit for an indefinite period of time.
It can be set using an internal jumper to allow for a manual reset or an automatic reset
when the fault condition is removed.
The 3102D features an output rise time of five seconds to protect preamplifiers and de-
tectors from excessive surge currents while charging.