SIGNAL AMPLIFIER

SIGNAL AMPLIFIER

1. Convert it to a correct signal

   • Adequate signal level
     • Comparator

2. Impedance

   • High entrance
     • Greater than 1 megohm
     • Investor (-)
     • Non-investor (+)
   • Low output
     • 8 to 20 ohms
     • Depends on input connections

3. Types

   • Inverting amplifier
   • Non-inverting amplifier
   • Summing amplifier
   • Integrating amplifier
   • Logarithmic amplifier
   • Instrumentation amplifier

4. Wheatstone Bridge

   • Convert analog signals

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