STATE OF ART INSTRUMENTATION FROM AN INNOVATIVE COMPANY
PRE-AMPLIFIER - [ Type : PA 311 ]
Pre-amplifier PA311 manufactured by NUCLEONIX essentially has a standard 14 contact socket, 10-stage voltage divider, pre-amplifier electronics. The Preamplifier is designed to suit a wide range of Standard detectors (Scintillation), integral assemblies. NUCLEONIX offers integral assemblies with the above Preamplifier. This Preamplifier is directly compatible with all 2, 3 and 5 inch diameter PM tubes used in standard detectors.
Compact Solid state circuit design
Suitable for wide range of NaI integral assemblies
Choice of both focus and gain adjustments by presets
Rise time 100 nano sec.
Pre-amplifier with vertical housing for integral assembly
Standard 14 contact pin
10 stage, directly compatible with all 2, 3 and 5 inch diameter PM tubes used in standard Bicron detectors.
(a) Signal Output : Positive polarity, BNC receptacle, mates with BNC plug or equivalent.
(b) EHT Connector : Standard MHV/UHF socket, which can mate with a MHV/UHF plug.
(c) DC Pre-amp Power : 5 pin minihex / circular I/O connector (socket).
Less than 50 micro volts rms refer to input.
Direct connection from photmultiplier tube anode to charge integrating pre-amplifier input circuit, negative charge.
5x10-11 Coulombs per volt with NaI (Tl) or faster scintillators.
100 Nano Seconds
4 micro seconds (internally adjustable)
90 ohms (approx)
0.25% C from 0o to 50o centigrade
a. Pre-amp –24V at 10mA
b. PM Tube voltage Divider Bias : Typically +600V to +850V (positive only) at 150 microamps.
Plot No.162 A & B, Phase-II, IDA, Cherlapally, Hyderabad-500051 India Phone:+91-40-27263701,27262146,040-68888777, Fax : 040 - 27262146
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