| 释义 |
self-ˈbias Electronics.
[self- 1 d.]
Bias applied to the grid of a valve by means of a resistor in the cathode circuit or the grid circuit. So self-ˈbiased ppl. a., self-ˈbiasing vbl. n.
1931Moyer & Wostrel Radio Handbk. xiii. 708 (heading) Self-biasing grid-glow tube. 1932F. E. Terman Radio Engin. xi. 389 (caption) Self-bias circuits for obtaining a negative grid bias..by utilizing the voltage drop across a resistance in series with the cathode. Ibid., When an anode detector is self-biased by the arrangement shown.., the detector characteristics are quite different from those obtained with a bias derived from a battery. 1939H. J. Reich Theory & Application Electron Tubes vi. 161 (caption) Impedance-capacitance—coupled amplifier, showing the use of self-biasing resistors. 1945[see push-pull a. 2]. 1960Practical Wireless XXXVI. 319/1 This condenser discharges through the grid leak.., building up the self bias for the valve. |