Echo Box TS-207/UP
Publisher: Washington : G.P.O., 1944
Published: 1944-12-21
Place of publication: Washington, D.C., USA
Language: eng
Table of contents: title: TABLE OF CONTENTS; title: PART ONE. Introduction.; title: Paragraph Page; title: General 1 1; title: Components 2 1; title: Differences among installations 3 3; title: Interchangeable components 4 4; title: TWO. Operating instructions.; title: Installation 5 5; title: Preparation 6 5; title: R-f system tune-up procedure 7 6; title: R-f system performance measurement  8 11; title: Transmitter frequency measurement 9 12; title: Transmitter frequency spectrum measurement 10 13; title: Local-oscillator frequency measurement 11 17; title: Radar trouble shooting 12 19; title: THREE. Preventive maintenance.; title: Meaning of preventive maintenance 13 20; title: Description of preventive maintenance techniques 14 20; title: Schedule 15 21; title: Lubrication 16 21; title: Moistureproofing and fungiproofing 17 21; title: FOUR. Auxiliary equipment (not used).; title: FIVE. Repair instructions.; title: General theory 18 23; title: Factors affecting ringing time 19 28; title: Echo box fails to ring  20 29; title: Microammeter fails to operate  21 29; title: Crystal replacement  22 29; title: Maintenance parts list for Echo Box TS-207/UP (omitted) 23 30; title: LIST OF ILLUSTRATIONS; title: 1. Echo Box TS-207/UP and associated equipment VIII; title: 2. Echo box and associated equipment 2; title: 3. Echo box mounted on wall of trailer 3; title: 4. Echo box pick-up dipole attached to mounting rod 6; title: 5. Block diagram for r-f system measurements 7; title: 6. Ringing-time measurement 8; title: 7. Tuning knob and scale markings 9; title: 8. Dial division-calibration factor chart 10; title: 9. Frequency spectrums 12; title: 10. Block diagram for measurement of receiver local oscillator frequency 13; title: 11. Cause and effect chart for A-scope 14; title: 12. Cause and effect chart for J-scope 15; title: 13. Normal indication of an echo box on PPI scope (fixed pick-up dipole) 16; title: 14. PPI indication of an echo box using a directional coupler 18; title: 15. Outline drawing of echo box 23; title: 16. Equivalent echo box circuit 24; title: 17. Echo box oscillations 26; title: 18. Ringing-time indication 27