Synchro Systems and Semiconductor Components

Synchro Systems

• What lead on a transistor has a colored dot? - Collector lead.
• Differential synchro system - Combines two or more inputs.
• Which of these creates error voltage? - TDX.
• Controlled system - The processing plant range which is to be...
• Control units in a control synchro system are driven by - Electromagnetic or mechanical means.
• Resolvers generally provide - Very reliable outputs.
• Resolver synchro system - Transmits angular position with high accuracy.
• Air gap inaccuracies in synchros - Bring huge problems in controlling.
• Instability of transmitter - The momentum of the servo motor to go...
• If the synchro transmitter rotor is turned - The field turns the same angle.
• Torque systems are used for - Light loads, such as the position of dials...
• Signals from a resolver are usually sent to - An analog-to-digital converter (ADC).
• Abbreviation for Control Differential Transmitter - CDX.
• The rotor of a synchro usually consists of - A dual coil, shaft, and slip rings.
• Torque developed in a synchro receiver results - To align themselves.
• The strength of the magnetic field produced is called - Stator and rotor.
• Synchro system - Transmits information from one point to another.
• Null hunting is the process when a servomotor - Overshoots.
• TDX has a - Three-phase winding.

Semiconductor Components

• Varicap diode acts as a - Variable capacitor.
• What will happen at forward voltage higher than 0.3V? - The diode starts to conduct.
• The bipolar junction transistor has - Two junctions of P-type and N-type material.
• An amplifier's current gain will be in a - Common base configuration.
• The capacitance of parallel capacitors depends on - The distance between plates.
• The transistor acts more like an amplifier in the - Cutoff and saturation regions.
• A diode - Has one PN junction.
• A diode conducts current in - One direction.
• Semiconductors are materials that - May be conductors or insulators.
• The outer regions of a transistor are called - Emitter and collector.
• Categories of PCBs are - Single-coated boards, double-coated boards, and multilayer boards.
• Would a common base amplifier be used in a circuit with - High resistance?
• A chip is manufactured on - A thin semiconductor wafer.
• Voltage higher than the breakdown voltage - Will destroy the diode.
• The barrier voltage for a silicon diode is - 0.7V.
• In order to conduct electrical current, the emitter base must be - Forward biased.