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현재위치: > 공학교육장비 > 전자공학
전자공학
FM Stereo Multiplex Transmitter
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제조사 : SIC
원산지 : 미국
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SIP358C FM Stereo Multiplex Transmitter

The course provides a low power FM Stereo Multiplex Transmitter, capable of transmitting dual tones at 107 MHz from built-in generators. The Transmitter can be modulated by external stereo signals and can be used in conjunction with an FM Stereo Radio. It serves as either an FM Stereo Transmitter or an FM Stereo Sweep Generator. The course provides for approximately 40 hours of instruction.

EQUIPMENT SPECIFICATIONS

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The Panel measures 8.5 x 14 inches. It is painted on one side, with a green mask on the PCB side.

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Transmitter broadcasts on approx. 88 and 107 MHz.

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Provides commercial type stereo multiplex operation -- (L+R), (L-R), and pilot.

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Crystal-controlled oscillator, 10.7 MHz with synthesizer control.

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Standard audio deviation capability (200 KHz).

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Deviation monitor and pilot tone level indicator on Panel.

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Radiated Power into the final stage: 100 mW.

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Contains 2 synthesized frequencies: 1 KHz, 390 Hz.

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10.7 MHz Oscillator Section multiplied to 107 MHz.

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19 KHz Pilot Tone Generator.

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Synthesized from 10.7 MHz Oscillator.

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Four malfunction switches are provided.

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There are 40 test points.

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Gold plated contacts to power supply.

bullet The RF Oscillator can be swept by 50 or 60 Hz to produce an S waveshape at the FM receiver output.

REQUIRED EXTRA EQUIPMENT
Power Supply Base (S300PSB)
Audio Cassette Player And Tape
FM Stereo Radio (local supply)
All equipment operates on 120/240 VAC, 50/60 Hz.

OPTIONAL EQUIPMENT
Stereo Cable, 1 meter length (S118.4) with miniature plugs

LABORATORY MANUAL
THE FM TRANSMITTER

  1. Introduction to the FM Transmitter

  2. Transmitter Circuitry -- RF Sections

  3. RF Multipliers

  4. Frequency Deviation by Multipliers

  5. Frequency Deviation Modulation Index

  6. Toroidal-Core Transformers

DIGITAL AUTOMATIC FREQUENCY CONTROL

  1. Pulse-Counter AFC System

  2. Frequency-Lock AFC System

  3. Digital Phase-Locked System

  4. Experimental Digital AFC

  5. The Crystal-Controlled Section

  6. The RF Oscillator Signal

AUDIO TONES GENERATION

  1. Sine Wave Generation of: 1 KHz, 400 Hz, 38 KHz

  2. Square Wave Generation of 19 KHz

FM STEREO TRANSMISSION

  1. Developing Stereo Signals

  2. Adding and Subtracting Audio Signals

  3. The Experimental Transmitter Encoder Section

  4. The Receiver Decoder Section

THE DEVIATION DISPLAY

  1. The Deviation Display Monitor

  2. The Deviation Modulation Display

  3. The Ten-Segment Display

  4. The Sweep Generator

  5. FM Detectors

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개인정보관리책임자 :권오성(techsys@techsys.c0.kr) / 대표자(성명):박봉주