1. Linear amplifiers need to operate with MFSK, and CW ( Morse code ).2. This results in an amplitude modulation and is why TETRA requires linear amplifiers . 3. The UJT is not used as a linear amplifier . 4. These systems would typically require coaxial cable interconnection from a transmitter to the linear amplifiers . 5. The next year, a matching kilowatt linear amplifier , the KL-1 Chippewa, was added to the line. 6. However, external linear amplifiers are often used illegally. 7. Similar matching networks are used in other equipment ( such as linear amplifiers ) to transform impedance. 8. The matching SB-200 1200 watt input / 7-800 watt output linear amplifier completed the line for 1965. 9. Rather, a special modulator produces such a waveform at a low level followed by a linear amplifier . 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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