TY - BOOK AU - TI - Electronics and communications / G. W. Wells T2 - Technical English supplementary readers SN - 0582525829 U1 - 621.38 PY - 1970/// CY - Britain: PB - Longman, KW - ELECTRÓNICA KW - TELECOMUNICACIONES N1 - 1. Wave forms.-- 2. Two terminal components.-- 3. Amplifiers.-- 4. Semiconductor devices.-- 5. Feedback.-- 6. Vacuum tubes.-- 7. Aerials.-- 8. Transmitters.-- 9. Receivers.-- 10. Television.-- 11. Radar ER -