A Portable Transistorized Gamma Energy Analyzer |
Common terms and phrases
3.0 volt pulse 5VDC 6655 phototube AC operated equipment adjustment amplifier ance matching circuit ANODE anytime the input B.L. UNITS BASE LINE SETTING base-line battery blocking oscillator collector common emitter rheostat Compton effect count-rate-meter circuit COUNTS PER MINUTE crystal drive the count-rate-meter Electric p-n-p type energy loss exceeds 1.0 volts GAMMA ENERGY ANALYSIS gamma radiation High Voltage Supply input pulse exceeds L. V. Zuerner LINE SETTING FIGURE lower pair microsecond millivolts milliwatts mixer circuit multiplier phototube Na I crystal OUNCER TYPE 0-3 output pulse photoelectric effect photofraction photon photopeak POINT WINDOW WIDTH=3.5 portable instrument PORTABLE TRANSISTORIZED GAMMA potentiometer printed circuits pulse exceeds 1.0 REFERENCE POINT WINDOW RESISTORS RM-12R CELLS second or lower second transistor shown in Figure Transistorized Count-Rate-Meter TRANSISTORIZED GAMMA ENERGY trigger point type 2N168-A transistors type 2N43 transistors UNCLASSIFIED upper pair W. G. Spear width window discrimination circuit WINDOW WIDTH=3.5 UNITS window-width control window-width discriminator