2. Chip Attenuator realized by Thin Film technology

2.1 Thin Film Chip attenuators

Thin Film Resistor is:

Resistive material is deposited extremely thinly and evenly onto the substrate then patterned with photolithography to be made into resistive element.

Thin Film Resistor is


2.2 Characteristics and advantages of thin film resistors

Characteristics of thin film resistors

Smooth electron flow through thin film can suppress the noise and high frequency harmonics

Characteristics of thin film resistors


Multiple resistors within chip attenuators are made of thin film.

The advantage of thin film resistor (less high frequency harmonics)

As shown below, thin film resistive element has much lower third harmonic distortion level (compared in resistors)

The advantage of thin film resistor


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