Electronic Analog Computers: (d-c Analog Computers)

accuracy adjustment aircraft amplifier circuits amplifier stages amplitude applications arrangement automatic pilot block diagram capacitor cathode circuit of Fig components computer run computer setup computing elements connected constant control system corresponding d-c amplifier d-c analog computers deflection described in Sec devices differential amplifier differential analyzer differential equations diode discussed in Sec drift effects electronic error feedback Figure filament flight simulator frequency function potentiometers high-frequency impedance initial conditions integrating capacitor linear load loop machine equation machine unit machine variables MIT Radiation Laboratory modulated motor multiplier networks nonlinear obtained operational amplifier oscillations output terminals output voltage panel parameters patch bay performance equation phase plate possible power supplies problem puter recorder regulator relay repetitive computers resistance resistors scale factors servo servomechanisms shaft shown in Fig shows signal simple solution summing amplifier switch tion transfer function tube values voltage changes volts X₁ zero