THE DESIGN OF TETRODE TRANSISTOR AMPLIFIERS 



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NOISE FIGURE IN DECIBELS 



Fig. 22 — Noise figure for a group of transistors used in the circuit of Fig. 19. 



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NOISE FIGURE IN DECIBELS 



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Fig. 23 — Noise figure for a group of transistors used in a 10-mc bandpass 

 amplifier. 



