Power Supply

• Computer Power Supply
• Domestic mains Adapter
• Linear Power Supply
• Power Conversion
• Safety Hazards
• Electronic
• Passive Filters
• Single Pole Types
• Multiple Types
• Active Filters
• Power Rating

Power Supplies and Their Defects

• Regulated Power Supply
• Inverter Stage
• Defects in Power Supplies
• The Other Problems are

Public Address System

• Tuning Section
• R.F Amplifier
• Local oscillator
• Mixer
• IF amplifier
• Detector
• Audio Frequency amplifier
• Loud Speaker
• A Microphone
• Different type of Microphone and application
• Condenser Mic
• How are Microphones Powered
• Special Microphone

Audio Section Element

• The Audio Section Element is Loudspeaker
• Driver Design
• Cut-away View of a Dynamic Loudspeaker
• Driver Design
• Driver Types
• Woofer, Tweeter, Midrange
• Full range Drivers
• Subwoofer

Impedence Matching and type of Wire Used For Commenting

Mic And Speakers in IF Section

• Impedance matching
• Impedance Characteristics Amplifier Configurations
• Types of Used in Mic and Speakers
• Microphone Cable
• Instrument Cable
• Different Type of Ground
• In Radio Frequency Communications
• IN AC Power Wiring Installations
• In Power transmission
• In Electronic Circuit Ground versus Earth
• Separating Low Signal Ground Form A Noisy Grounds
• In Electrical Shielding
• In Lighting protection
• Uses

Preamplifiers and Wireless Microphone

• Preamplifiers May be
• Wireless Microphone
• Digital and Hybrid
• The advantages are
• The Disadvantages are
• Techniques
• Technologies
• VHF
• UHF

Audio power Amplifiers Used IC,s

• Audio Power Amplifier using CA810
• Other Popular Audio Power Amplifier ICs

Compact Disc Player

• Optical Recording on Disc
• Mother Disc
• Son Disc or Stamper
• Consumer Disc or Final Copact Disc
• Playback Process
• Advantages of Compact Discs
• Types of CDs
• Audio CD
• Video CD Version 1.0/1.1
• Karaoke CD
• Safety
• Installation
• Operational Controls, Switches ans Sockets
• Open/Close
• Play
• Stop
• Preview
• Next
• Rev
• Fwd
• L/R

Apply for certification

https://www.vskills.in/certification/Vskills-Certified-Public-Address-System-Technician