| 1. | Linear amplifiers need to operate with MFSK, and CW ( Morse code ).
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| 2. | This results in an amplitude modulation and is why TETRA requires linear amplifiers.
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| 3. | The UJT is not used as a linear amplifier.
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| 4. | These systems would typically require coaxial cable interconnection from a transmitter to the linear amplifiers.
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| 5. | The next year, a matching kilowatt linear amplifier, the KL-1 Chippewa, was added to the line.
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| 6. | However, external linear amplifiers are often used illegally.
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| 7. | Similar matching networks are used in other equipment ( such as linear amplifiers ) to transform impedance.
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| 8. | The matching SB-200 1200 watt input / 7-800 watt output linear amplifier completed the line for 1965.
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| 9. | Rather, a special modulator produces such a waveform at a low level followed by a linear amplifier.
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| 10. | The system relied on ultra-linear amplifiers that could amplify the signal across the entire frequency range without introducing distortion.
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