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11 Attenuators

Revised byBruno O. Weinschel

Definitions

Typical Designs of Resistive Attenuators

Resistance Networks for Attenuators

Power Dissipation Within a Tee Pad

Connectors

Measurement of Attenuation

Fixed-Frequency

Broadband

Swept or Stepped in Frequency

DEFINITIONS

An attenuator is a network that reduces the input power by a predetermined ratio. The ratio of input power to output power is expressed in logarithmic terms such as decibels (dB).

NOTE:

Examples:

1) P_in/P_out = 13.18 = 10 × 1.318 10 log₁₀P_in/P_out dB = 10 (log ...

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