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There are two common types of '''delay''' found as modules:
*Analogue BBDs
*Digital Delays
'''[[BBD''']] stands for Bucket Brigade Delay. A bucket brigade or bucket-brigade device is a discrete-time analogue delay line, developed in 1969 by F. Sangster and K. Teer of the Philips Research Labs. It consists of a series of capacitance sections C0 to Cn. The stored analogue signal is moved along the line of capacitors, one step at each clock cycle.
The name derives from a line of people passing buckets of water along the line.
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