TABLE OF CONTENTS "TOP HAT" AIRBORNE DETECTOR General Description 2.1.1 Theory e.1l.2 Detector Circuit Description 2o1.3 Altitude Compensation 2o1.4 Altitude Compensation Circuit Description ho Po Ww > 2.1.5 Power Supply Mechanical Description Calibration, 2.31 Preliminary Power Supply Adjustments Coded Buck-Ous Circuit 2032.2 2.3.4 “Top Fat” Detector Calibration Altitude Compensation Glrenct hy Operatiovil FULSE CODING UNIT General Description Circuit Descripticn 3.2.1 Sridge 3.2.2 Converter 3.2.4 Power Supply 3-6-1 3.6.2 Bridge Converter NU Fw tw WW Lo UW 3.2.3 Comparator Mechanical Description Junction Box Operation Calibration 3.6.3 Comparatcr TELEPULSE RECEIVING STATICN General Description Circuit Descriptica Operation Calibration 44.1) Li4.° Prelimixnary Adjustments Calibration Procedure APPLICATION 5.l Fall-out Studies il Baker hr INTRODUCTION