What is matched termination?

7. When the automatic gain control voltage of a radio receiver is measured with a vacuum tube voltmeter whose input resistance is 10 M-ohm, it reads 4.5 V. When an ordinary voltmeter whose input resistance is 10 k-ohm is also connected across the AGC voltage source, both meters read 0.40. What is the internal resistance of the AGC voltage source?

Explain the improvement of transient stability by using single pole switching? 1) it is definition 2) important of it 3)examples 4 general information about this topics

Ex. 1915. An Arduino analog input voltage is 3.160 volts. Arduino PWM output pin drives a low-pass filter, as shown in Figure 1915. The low-pass filter converts the PWM signal back to an average-DC voltage. Arduino specifications include: I/0 voltage range of e to 5VDC; 10-bit A/D input; and an 8-bit D/A PWM output. an analog output DC volage at the low-pass filter. Determine (Vout - Vin). The analog input DC voltage results in