Signal Conditioning.

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Presentation transcript:

Signal Conditioning

Sensor Outputs

4-20 mA Analog electrical transmission standard Signal is a current loop where 4 mA represents zero percent signal and 20 mA represents the one hundred percent signal. The "live zero" at 4 mA allows the receiving instrumentation to distinguish between a zero signal and a broken wire or a dead instrument and provides good noise immunity. The live zero also allows low-power instruments to be directly powered from the loop.

Simple Control System

Typical Sensor Resistances

Typical Bridge Amplifier

Typical Force-type Transducers

High-Impedance Sensors

Photodiode Operating Modes

Dynamic Range of Illumination

Use of a Guard Conductor

40 dB Gain Piezoelectric Amp

Professional Microphone Preamp

Balanced Transmission Circuit

Differential Line Driver

NTSC Video Signal

NTSC Signal Generation

NTSC and PAL Comparison

Wide-Bandwidth Video Amplifier

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