8

Application of Slow-Wave Systems for Delay

Sometimes delay of electrical signals is necessary at transmission and processing of signals. Many types of delay devices have been developed. Miniaturized delay devices with wide-pass band, high linearity, and stability are necessary for signal synchronizations, analog, digital filtering, and other applications in modern electronic equipment [1,2,3,4].

Because of many advantages, meander delay lines are frequently used. The signal path of a modern meander delay line consists of a microstrip meander line and input and output ports (Figure 8.1). Microstrip meander lines are planar structures and modern technologies developed for integrated circuits can be used for fabrication of these lines.

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