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Category: Vocational

Year Introduced: 1938

Item Number: YOU621O

Originating Institution: General Conference

Requirements

1.      Explain with diagrams, where helpful, the input devices for radio, such as antenna, ground; or for electronic devices, such as phono pickup, FM tuner, photocell, microphone.
2.      Construct a suitable radio receiving antenna which would work properly in connection with a broadcast or short wave receiver; or construct a phono pickup, photocell, or microphone.
3.      Explain use and operation of various important components of a simple receiving set (coils, variable capacitors, fixed capacitors, resistors, transistors or tubes, diodes, and transformers).
4.      Identify the value of resistors by the color code.
5.      Know Ohm's Law and how it is applied.
6.      Construct a simple radio (either tube or transistor) including power supply, which will receive satisfactorily stations one hundred mi les distant or construct a high-fidelity amplifier, photocell guard or counter, control device.
7.      Draw from memory, using proper symbols, the complete wiring diagram of the device constructed under No.4.
8.      Show proficiency in trouble shooting on simple receivers or electronic devices of three to six tubes or transistors, being able to follow routine tests, such as removing tubes or transistors and testing them, replacing them correctly, testing for sensitivity, shorted capacitors, and more outstanding common ailments.

Materials

1.      Explain with diagrams, where helpful, the input devices for radio, such as antenna, ground; or for electronic devices, such as phono pickup, FM tuner, photocell, microphone.
2.      Construct a suitable radio receiving antenna which would work properly in connection with a broadcast or short wave receiver; or construct a phono pickup, photocell, or microphone.
3.      Explain use and operation of various important components of a simple receiving set (coils, variable capacitors, fixed capacitors, resistors, transistors or tubes, diodes, and transformers).
4.      Identify the value of resistors by the color code.
5.      Know Ohm's Law and how it is applied.
6.      Construct a simple radio (either tube or transistor) including power supply, which will receive satisfactorily stations one hundred mi les distant or construct a high-fidelity amplifier, photocell guard or counter, control device.
7.      Draw from memory, using proper symbols, the complete wiring diagram of the device constructed under No.4.
8.      Show proficiency in trouble shooting on simple receivers or electronic devices of three to six tubes or transistors, being able to follow routine tests, such as removing tubes or transistors and testing them, replacing them correctly, testing for sensitivity, shorted capacitors, and more outstanding common ailments.

References




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