input circuit การใช้

• High output active pickup systems also have an effect on an amplifiers input circuit.
• The two input circuits CH1 and CH2 each activate one of the two internal relays.
• This technique is useful in the input circuits of balanced line receivers or push-pull power output circuits.
• The current to the motor is regulated by a " controller " that employs large capacitors in its input circuit.
• M is decided by equating the current in the input circuit of Figure 5 through the Miller capacitance, say " i"
• It is also named common-emitter amplifier because the emitter of the transistor is common to both the input circuit and output circuit.
• Alternatively, some radios " ( circuit, right ) " used a battery-powered buzzer attached to the input circuit to adjust the detector.
• To cancel the unwanted feedback signal, a portion of the output signal is deliberately introduced into the input circuit with the same amplitude but opposite phase.
• PA Burle Industries Inc ., Lancaster, won a $ 381, 362 contract from the U . S . Naval Inventory Control Point, Philadelphia, to provide driver-input circuits.
• For example, an overcurrent protective relay may have a AC to DC power supply for the input circuit, a level detector circuit and an RC time delay circuit.
• :: : : You might be hearing the RF transmission because it is saturating an amplifier circuit, or because of inadequate shielding or a poor connection on a low level input circuit.
• The input circuit is biased so that the active element ( e . g ., transistor ) conducts for only a fraction of the RF cycle, usually one third ( 120 degrees ) or less.
• "Vacuum Tube Voltmeters " or valve voltmeters ( VTVM, VVM ) were used for voltage measurements in electronic circuits where high cathode follower input circuit, and thus did not significantly load the circuit being tested.
• Plate detectors have the advantage in that they isolate the detector load from the input circuit more effectively and may be employed where sensitivity is thought to be otherwise compromised by a grid leak or diode detector circuit.
• An input circuit called a sample and hold performs this task in most cases by using a capacitor to store the analog voltage at the input, and using an electronic switch or gate to disconnect the capacitor from the input.
• The device is designed in such a way that any faults in the input circuit are detected, e . g . contact welding on an emergency off / emergency stop pushbutton or on one of the safety contacts on the output relay.
• In radio reception, "'noise "'is the superposition of white noise and other disturbing influences on the signal, caused either by thermal noise and other electronic noise from receiver input circuits or by interference from radiated electromagnetic noise picked up by the receiver's antenna.
• So, in effect, " I " 1 sees an input impedance Z _ \ mathrm { in } \, and the two-port's effect on the input circuit has been effectively collapsed down to a one-port; i . e ., a simple two terminal impedance.
• Neutralization is a term used in TGTP ( tuned grid tuned plate ) amplifiers for the methods and circuits used for stabilization against unwanted oscillations at the operating frequency caused by the inadvertent introduction of some of the output signal back into the input circuits.