The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 275
ues of e. The bestvalue of resistance according to this table is about 1000 ohms. Amplificat 1(111 in Mi OS of Standard Cable. r = 0 r = 400 r = 800 r = 1200 r = 2000 r = 4000 +0.16 10 22 24 24 25 24 +0.11 14 20 24 25 25 24 -0.13 14 22 26 26 26 24 -0.85 21 21 21 21 20 19 -0.G9 22 21 21 21 20 18… … Fig. 142. done. Fig. 142 shows a two-stage set in which the first tube isoperated as a voltage amplifier. The inductance L has an imped-ance which is large compared with the plate resistance of the firsttube, thus permitting the largest possible voltage amplification.It was shown in Section 02 that…
Telegraph, Wireless
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