What people are saying - Write a review
We haven't found any reviews in the usual places.
Radio Power Supplies
The Radio Transmitter
4 other sections not shown
Other editions - View all
75 watts abbreviations alternating current amateur radio amperes ANSWER antenna application automatic band Bldg bleeder resistor buffer/doubler bulb buzzer call letters capacitor Chapter choke circuit clock code characters code-practice connected crystal DAH DAH DAH device dots and dashes electron emission envelope equipment Federal Communications Commission filament filter final amplifier tube five words flow frequency going ham radio headphones key clicks kilocycles KN4XXX maximum means meter milliamperes mitter modulation novice class novice examination novice license novice transmitter Ohm's law ohmmeter ohms output plates and screens power input power supply practice pressure pulsating quartz quency radiation radio amateur radio laws radio transmitter radio-frequency radiotelegraph code radiotelephone readable receiver rectifier tube resistance resistor secondary shown in Fig signal report switch telegraph telegraphy tion trans transformer transmission vacuum tube voltage volts watt hours wattage wattmeter words per minute