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Sheet1<br />

Sinyal dan Emisi<br />

G8A ­ Carriers and modulation: AM; FM; single and double sideband ; modulation envelope; deviation; ov<br />

G8B ­ Frequency mixing; multiplication; HF data communications; bandwidths <strong>of</strong> various modes<br />

T8A – Modulation modes; bandwidth <strong>of</strong> various signals<br />

T8B ­ Amateur satellite operation; Doppler shift, basic orbits, operating protocols<br />

T8C – Operating activities; <strong>radio</strong> direction finding, <strong>radio</strong> control, contests, special event stations, basic link<br />

T8D – Non­voice communications; image data, digital modes, CW, packet, PSK31<br />

E8A AC waveforms: sine, square, sawtooth and irregular waveforms; AC measurements; average and PEP<br />

E8B Modulation and demodulation: modulation methods; modulation index and deviation ratio; pulse mo<br />

E8C Digital signals: digital communications modes; CW; information rate vs. bandwidth; spread­spectrum<br />

E8D Waves, measurements, and RF grounding: peak­to­peak values, polarization; RF grounding<br />

Arrangement Stasiun HF<br />

Mengerti blok diagam dari stasiun HF biasa.<br />

Bagaimana menyambungkan transceiver ke linear amplifier.<br />

Low pass filter.<br />

SWR, Antenna Switch, Antenna Tuner, Dummy Load dan antenna.<br />

Fungsi dasar dari masing­masing blok.<br />

G4A ­ Two­tone Test; amplifier tuning and neutralization; DSP<br />

G4B ­ Test and monitoring equipment<br />

G4C ­ Interference with consumer electronics; grounding<br />

G4D ­ Speech processors; S meters; common connectors<br />

G4E ­ HF mobile <strong>radio</strong> installations; emergency and battery powered operation<br />

T4A – Station setup; microphone, speaker, headphones, filters, power source, connecting a computer, RF g<br />

T4B ­ Operating controls; tuning, use <strong>of</strong> filters, squelch, AGC, repeater <strong>of</strong>fset, memory channels<br />

T7A ­ Station <strong>radio</strong>s; receivers, transmitters, transceivers<br />

T7B – Common transmitter and receiver problems; symptoms <strong>of</strong> overload and overdrive, distortion, interfe<br />

Radio Penerima<br />

Blok Diagram Penerima<br />

Blok Diagram penerima SSB, CW, dan FM.<br />

Mengerti fungsi dari masing­masing blok.<br />

Page 6

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